Articoli di riviste: "Electrical power plant"

1

Vyas, Sanjay R., e Dr Ved Vyas Dwivedi. "Genetic Algorithm for Plant Generation Schedule in Electrical Power System". Paripex - Indian Journal Of Research 2, n. 1 (15 gennaio 2012): 52–53. http://dx.doi.org/10.15373/22501991/jan2013/19.

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Cooper, C. B. "Refurbishment of Power Station Electrical Plant". IEE Review 35, n. 7 (1989): 272. http://dx.doi.org/10.1049/ir:19890122.

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Afgan, Naim, e Dejan Cvetinovic. "Wind power plant resilience". Thermal Science 14, n. 2 (2010): 533–40. http://dx.doi.org/10.2298/tsci1002533a.

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A wind energy system transforms the kinetic energy of wind into mechanical or electrical energy that can be harnessed for practical use. Mechanical energy is most commonly used for pumping water in rural or remote locations. Electrical energy is obtained by connecting wind turbine with the electricity generator. The performance of the wind power plant depends on the wind kinetic energy. It depends on the number of design parameter of the wind turbine. For the wind power plant the wind kinetic energy conversion depends on the average wind velocity, mechanical energy conversion into electricity, and electricity transmission. Resilience of the wind power plant is the capacity of the system to withstand changes of the following parameters: wind velocity, mechanical energy conversion into electricity, electricity transmission efficiency and electricity cost. Resilience index comprise following indicators: change in wind velocity, change in mechanical energy conversion efficiency, change in conversion factor, change in transmission efficiency, and change in electricity cost. The demonstration of the resilience index monitoring is presented by using following indicators, namely: average wind velocity, power production, efficiency of electricity production, and power-frequency change. In evaluation of the resilience index of wind power plants special attention is devoted to the determination of the resilience index for situation with priority given to individual indicators.

4

Gilbert, J. C. "Power Plant Performance". Electronics and Power 31, n. 7 (1985): 528. http://dx.doi.org/10.1049/ep.1985.0322.

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Geng, Wang. "Research on High Reliability Power Supply Design Scheme of Nuclear Power Plant". E3S Web of Conferences 115 (2019): 02002. http://dx.doi.org/10.1051/e3sconf/201911502002.

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After the Fukushima nuclear accident, the reliability requirements for Nuclear Power Plant (NPP) safety systems have been further improved worldwide. Therefore, it is necessary to provide a safe, reliable and economical scheme of the power supply system to cope with the abnormal conditions. Based on the reliability of the power supply of the 3rd generations of NPPs and combined with the application of the defend in depth concept in the electrical system, this paper provides a brief introduction of the typical 3rd generation NPP electrical system in the following area: the configuration of the electrical power system, defence in depth principle of the power supply, the basic structure of electrical power system. On this basis, an optimal power supply scheme is proposed.

6

Xie, Hai Jiang, e Wei Li Li. "Application Research of Electrical Automation Technology for Power Plant". Applied Mechanics and Materials 721 (dicembre 2014): 595–98. http://dx.doi.org/10.4028/www.scientific.net/amm.721.595.

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The electrical automation technology is an advanced technology, in power plants, mainly giving play to the role of monitoring, monitoring analysis for the operation condition of the electric, also can have the data signal feedback function. Electrical automation technology is mostly play the function of monitoring, during the running of the electrical equipment, the equipment running status monitoring, through the analysis of the data and feedback, can timely find problems arising from the operation, and warning. In power plants, the use of automation technology also analysis and remote data transmission, realize the online management of equipment, improving the efficiency and quality of power plants. Electrical automation technology applications for the future development of the power plant provide a favorable environment.

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Lidgate, D. "Book Review: Power Plant Performance, Modern Power Plant Engineering, Powerplant Technology". International Journal of Electrical Engineering & Education 23, n. 2 (aprile 1986): 178. http://dx.doi.org/10.1177/002072098602300214.

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Abdul Kadir, Aida Fazliana, Hanisah Mupangat, Dalila Mat Said e Zulhani Rasin. "REACTIVE POWER ANALYSIS AT SOLAR POWER PLANT". Jurnal Teknologi 83, n. 2 (2 febbraio 2021): 47–55. http://dx.doi.org/10.11113/jurnalteknologi.v83.15104.

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Reactive power is essential to control the power system's voltage stability as the reactive power is directly proportional to the voltage. Hence, every new solar photovoltaic (PV) plant installed in the grid system must comply with the grid code requirements to ensure that the electricity supply remains stable and reliable. As the more penetration of PV plants, the electrical system will face some challenges related to reactive power control and voltage support. Thus, many countries including Malaysia have updated their grid codes to permit a smooth interaction between these new plants with the grid system. The inverter of PV solar connected to grid system are required to supply rated power output (MW) at point of common coupling (PCC) between the limits of 0.85 power factor lagging, and 0.95 leading follow to the Malaysian Grid Code (MGC) requirement. Hence, this research aims to design a controller for the PV inverter in Matlab/Simulink that able to absorb and supply the reactive power. Then, the comparison will execute between the simulation results and the MGC requirement. However, due to power loss in the system, the PV inverter controller may not comply with the reactive power capability as the MGC requirement. Thus, the PV system need to integrate with the capacitor bank as a reactive power compensator.

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Fahriannur, A., DE Rahmanto, AW Pratama e M. Nuruddin. "Hybrid solar power plant for lighting power source in the politeknik negeri jember engineering department building". IOP Conference Series: Earth and Environmental Science 1338, n. 1 (1 maggio 2024): 012060. http://dx.doi.org/10.1088/1755-1315/1338/1/012060.

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Abstract The sun is one of the potential renewable energy sources in Indonesia. One use of solar energy is to generate electricity. The Politeknik Negeri Jember Engineering Building already has a hybrid type solar power plant. However, it has not been utilized optimally because it is not connected to the building’s electrical network. This research aims to plan the connection of a solar power plant with an engineering building lighting system. The electrical network for the Engineering Department building that will be supplied by the solar power plant is the electric lighting system on the 3rd floor. The cable chosen is 4 mm2 with a cable length of 81 meters. Electrical connection from the solar power plant to the engineering building electrical network is carried out via an automatic transfer switch. If the condition of the electricity generated is adequate, the electricity will be connected automatically to the building’s lighting electricity network. If the electrical energy produced is insufficient or has run out, the lighting electricity network will automatically connect to the main electricity source. The building’s solar power plant is equipped with an internet of things system to monitoring its performance. The daily lighting electricity consumption is around 2.55 kwh.

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Xie, Chun Ling, e Shu Ying Li. "Design of Multi-Module Experiment-Rig of Ship Electrical Propulsion Prime Mover". Key Engineering Materials 419-420 (ottobre 2009): 233–36. http://dx.doi.org/10.4028/www.scientific.net/kem.419-420.233.

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Diesel engine power plant, gas turbine power plant and steam turbine power plant are in common use in ship main propulsion power. These power plants have each advantage and disadvantage at mass, size, most high-power, economic ability, and maneuverability. But any single power is difficult to meet the requirement of improving the ships’ tactical performance, speed and maneuverability. In developing history of ship propulsion system, in order to solve the contradiction between full speed high-power and cruise economic ability, combined power plant form can change the performance of simple plant, which collected the advantage of all kinds of power plants[1]. Here combined power plant form is two or more same or not the same type engine combine used or trade off. The combined power plant can not only supply total power for ships when cruising, but also be more economical. So this plant is used widely. This paper, designs a multi-module experiment-rig and introduces its composition, working principle and disposition scheme, and carried out the dynamic characteristic experiment of the CODAG power plant.

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Wang, Chun Ying. "Analysis of the Operational Risk Controls in the Electric Power Plant". Applied Mechanics and Materials 416-417 (settembre 2013): 2087–91. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.2087.

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Thermal power generation is a complex production system, and electric operation is an important work. The generating capacity of Zhangjiakou power plant is 2400 thousand kW, ranking the third in our country. Its technology and equipment and the process are representative. In order to ensure the safety of the electrical operation, on the basis of analysis of accident cases for more than ten years, using the method of system analysis, this article summarizes the risk factors and control measures of electrical operation. With strict implementation, the electrical accidents of our planet will decrease year by year.

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Feng, X. J., e J. Luo. "Electrical design of 4×50MW small thermal power plant". IOP Conference Series: Earth and Environmental Science 787, n. 1 (1 giugno 2021): 012167. http://dx.doi.org/10.1088/1755-1315/787/1/012167.

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., Titus Tandi Seno. "PROTOTYPE SOLAR POWER PLANT IN LABORATORY ELECTRICAL ENERGY CONVERSION". International Journal of Research in Engineering and Technology 04, n. 09 (25 settembre 2015): 339–43. http://dx.doi.org/10.15623/ijret.2015.0409063.

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Gradin, Lawrence P., e Ralph M. Sorenson. "Electrical Standards Development Activities for Nuclear Power Plant Maintenance". IEEE Transactions on Nuclear Science 33, n. 1 (1986): 959–61. http://dx.doi.org/10.1109/tns.1986.4337257.

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Chen, Shu-chun. "Research on Electrical Automation Monitoring System Model of Power Plant Based on CAN Bus". Journal of Electrical and Computer Engineering 2022 (11 aprile 2022): 1–11. http://dx.doi.org/10.1155/2022/4858826.

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Using the traditional manual operation mode to control the electrical equipment of the power plant was not only inefficient and unsafe but also difficult to adapt to the use of new equipment. Therefore, this article puts forward the research on the model of power plant electrical automation monitoring system based on CAN bus, which was of great significance to improve the operation monitoring ability and management efficiency of power plant electrical equipment. Based on the analysis of the design mode and main functions of electrical equipment automation control system in power plant, this article expounded on the characteristics of CAN bus communication mode and its advantages in realizing electrical equipment automation control. According to the hierarchical management and structural characteristics of the electrical automation monitoring system, the real-time database architecture of the monitoring system was established, the real-time data monitoring and processing method of the electrical monitoring system was given, and then the electrical automation monitoring system model of the power plant was proposed. The experimental results showed that the electrical automation monitoring system proposed in this article was effective and feasible for real-time monitoring of the operation of electrical equipment. The model construction method of the electrical automation monitoring system proposed in this article can provide theoretical reference and technical support for improving the control mode of electrical equipment in power plants.

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Agustian, Firmansyah Adam Permana, e Helmizar. "Analisis Potensi Daya Pada Pembangkit Unit 7 PLTA Tes". Teknosia 17, n. 1 (26 luglio 2023): 47–55. http://dx.doi.org/10.33369/teknosia.v17i1.26702.

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Currently the need for electrical energy is increasing both for industrial and household needs, but until now a lot of electrical energy has been replaced by non-renewable resources (coal), which will run out if it continues to be used. Tes Hydroelectric Power Plant is one of the electrical energy generators that can be renewable. Among the several generating units in Tes Hydroelectric Power Plant, Tes’s hydroelectric power plant unit 7 is the most recent, having been inaugurated for the first time in 2014. The power potential that can be projected from this hydroelectric power plant unit 7 still needs to be looked at further. Therefore, this study aims to analyze the potential for electric power from the Tes’s hydroelectric power plant unit 7 from 01 July 2022 to 03 July 2022. In making observations about the analysis of the power potential at the Tes’s hydroelectric power plant unit 7, several methods are used. Such as observation of data for 3 days of operation from 01 July 2022 to 03 July 2022, literature study and several interview methods with field consultants. The value of the air discharge obtained from the use of air volume per day at the Tes’s hydroelectric power plant unit 7. On three days of observation, the Tes’s hydroelectric power plant unit 7 were able to produce the highest electrical energy on 03 July 2022, namely 100,722 kWh and the lowest was 99,808 kWh on 02 July 2022. In three days, the electric power that paid for the Tes’s hydroelectric power plant unit 7 reached 4173, 40 kW. The Tes’s hydroelectric power plant unit 7 can generate a daily net income of Rp. 105,689,588, - with a perkWh price of Rp. 1300, - and reduced by the basic cost of Rp. 244.81, -, from the sale of electrical energy.

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Hirsch, Robert L. "Electric Power Amplification in Fusion Power Plants". European Journal of Energy Research 1, n. 5 (7 dicembre 2021): 1–3. http://dx.doi.org/10.24018/ejenergy.2021.1.5.32.

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Fusion power concepts that are heated by electrical devices for the purpose of producing high levels of electrical output are in effect electric power amplifiers. Three systems are considered: A hypothetical electric power version of the ITER experiment, the ARIES-1 fusion reactor design, and a modified version of ARIES-1 with stainless steel structural material. We find that an ITER power plant with a reasonable electric power conversion system would produce no net electric power at its target energy amplification factor of 10. The ARIES-1 conceptual power plant, as conceived, would have an energy amplification of 22 and an electric amplification of 6. If stainless steel were substituted for the SiC composite material assumed, the ARIES-1 electric power amplification would drop to roughly 3. We conclude that practical fusion power plants will likely require a near-ignition operating mode and qualified high temperature materials as prerequisites for commercial viability.

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Preston, I. M. H. "Availability of electrical power". Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences 92, n. 1-2 (1987): 91–106. http://dx.doi.org/10.1017/s0269727000009556.

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SynopsisThe organisation of the generation and supply of electricity in Scotland by the South of Scotland Electricity Board and the North of Scotland Hydro Electric Board is detailed and differences from the other nationalised energy industries in Scotland and from the arrangements for the supply of electricity in England and Wales noted. The present plant position is described and the flexibility in the fuels used underlined. The experiences of the last thirty years are analysed and an account given of the response of the Boards to the crises of dramatic oil price increases and the 1984/85 dispute in the coal industry. Attention is given to the forward planning problems arising from the long construction time of a new station and the delays that may be involved with public inquiries. The opportunities for exporting power to England after the modest anticipated rises in Scottish demands are met are cited as a factor in the budgetting. The difficulties the Combined Heat and Power projects, being studied for a number of major cities including Edinburgh, present to the Boards are listed. Finally the implications for suppliers and contractors of the necessary replacement before the end of the century of equipment associated with the distribution system are noted.

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Muqorrobin, Mochammad, Agus Suwondo, Sarana ., Paryono . e Suharto . "MICROHYDRO POWER PLANT FOR THE COMMUNITY". International Journal of Innovative Research in Advanced Engineering 9, n. 10 (30 ottobre 2022): 435–40. http://dx.doi.org/10.26562/ijirae.2022.v0910.04.

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Micro Hydro Power Plant is an implementation of the green energy initiative, which is to encourage renewable energy. The Caturanom village area, Parakan District, Temanggung Regency, Central Java Province has a hydropower source that has not been maximally utilized. Meanwhile, electricity needs for integrated businesses, livestock, fisheries, agriculture, and waste processing require electricity supply. The research objective is to analyze micro hydro power plants that can be used for the operation of a sustainable integrated business. The research method begins with literature study, field study, designing, manufacturing, and testing its performance. The power of the water flow with the head and the amount of water flow has the potential to generate electricity with a cross flow turbine. The results of the research on the installation of micro hydro power plants with a working power of 8.1 [kWatt] with a head of 10 [m]; discharge 126 [liters/second]. Micro-hydro power plants are used to provide cheap and environmentally friendly electrical energy supplies to meet the operational needs, monitoring and control of Integrated Enterprises covering agriculture, animal husbandry, fisheries, and waste processing. The economic impact caused by the application of this micro-hydro power plant technology is that it is able to increase income, economy and welfare of integrated businesses through lowering production costs, increasing quantity, quality, and competitiveness of horticultural cultivation production. Meanwhile, the social impact caused by Integrated Enterprises and the surrounding community are becoming more concerned with the importance of renewable sources of electrical energy and technology for using clean, environmentally friendly, and sustainable energy.

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Rochman, Sagita, e Achmad Alfianto. "SOLAR POWER PLANT PLANNING WITH TILE MODIFICATION FOR SOLAR PANEL INSTALLATION". BEST : Journal of Applied Electrical, Science, & Technology 3, n. 2 (15 settembre 2021): 20–24. http://dx.doi.org/10.36456/best.vol3.no2.4251.

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Solar power plants have been created using solar cells as power plants. This power plant utilizes the source of sunlight as its source.solar cell as receiving sunlight as a source of electricity. Utilization of sunlight to become electrical energy, Designed from tile as a medium and solar cell as a receiver of solar energy into electrical energy. Where batrai as a charging to be used, this tile as a tool planted solar cell so that it can be used tools that generate electrical energy. Solar power is one of the environmentally friendly renewable energy sources. Solar power is utilized by solar power plants to generate electricity. The electrical energy generated is the light energy converted by solar cells. The solar cell pool is arranged in such a way that it produces solar panels. The resulting electrical energy will be stored in a medium called.

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Siregar, Yulianta, Wiwanto Tjumar, Naemah Mubarakah e Riswan Dinzi. "Protection coordination analysis applied at biogas power generation plant". Indonesian Journal of Electrical Engineering and Computer Science 30, n. 1 (1 aprile 2023): 1. http://dx.doi.org/10.11591/ijeecs.v30.i1.pp1-13.

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Biogas from liquid waste from palm oil processing, palm oil mill effluent (POME), can be utilized in biogas power plants as a source of renewable energy (PLTBg). The PLTBg electrical system is equipped with a coordinated protection system. Then, the protection system must also maintain the continuity of electrical service in parts that are not affected by disturbances. Coordination of the protection system is essential. In this research, the electrical transient analysis program (ETAP) carries out the short circuit current analysis, and the coordination of overcurrent protection is constructed from its inverse-definite minimum time characteristics. The analyzed data contributed to selecting the right protection devices. A combination of overcurrent protection, directional protection, and frequency protection change rate supported a reliable electrical power system for a biogas power generation plant as distributed generation. The result shows that modern microprocessor-based protection relays support several protection features in one device and can be integrated into a supervisory control and data acquisition (SCADA)-controlled protection system to enhance their capabilities.

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Santarisi, Nader S., e Sinan S. Faouri. "Prediction of combined cycle power plant electrical output power using machine learning regression algorithms". Eastern-European Journal of Enterprise Technologies 6, n. 8 (114) (24 dicembre 2021): 16–26. http://dx.doi.org/10.15587/1729-4061.2021.245663.

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In order to monitor the performance and related efficiency of a combined cycle power plant (CCPP), in addition to the best utilization of its power output, it is vital to predict its full load electrical power output. In this paper, the full load electrical power output of CCPP was predicted employing practically efficient machine learning algorithms, including linear regression, ridge regression, lasso regression, elastic net regression, random forest regression, and gradient boost regression. The original data came from an actual confidential power plant, which was working on a full load for 6 years, with four major features: ambient temperature, relative humidity, atmospheric pressure, and exhaust vacuum, and one target (electrical power output per hour). Different regression performance measures were used, including R2 (coefficient of determination), MAE (Mean Absolute Error), MSE (Mean Squared Error), RMSE (Root Mean Squared Error), and MAPE (Mean Absolute Percentage Error). Research results revealed that the gradient boost regression model outperformed other models with and without using the dimensionality reduction technique (PCA) with the highest R2 of 0.912 and 0.872, respectively, and had the lowest MAPE of 0.872 % and 1.039 %, respectively. Moreover, prediction performance dropped slightly after using the dimensionality reduction technique almost in all regression algorithms used. The novelty in this work is summarized in predicting electrical power output in a CCPP based on a few features using simpler algorithms than reported deep learning and neural networks algorithms combined. That means a lower cost and less complicated procedure as per each, however, resulting in practically accepted results according to the evaluation metrics used.

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Wang, Zhijian, Yao Sun, Jie Zhao, Xuzhu Dong, Chen Chen, Bo Wang e Haocheng Wu. "Reliability Analysis of Nuclear Power Plant Electrical System Considering Common Cause Failure Based on GO-FLOW". Sustainability 15, n. 19 (22 settembre 2023): 14071. http://dx.doi.org/10.3390/su151914071.

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The reliability of nuclear power plant electrical systems is an important guarantee of nuclear safety, and the common fault failure problem arising from redundant design and intelligent control may greatly affect reliability assessment results. Combined with the features of repairability, multi-state characteristics, and common fault failure of nuclear power plant electrical systems, a reliability analysis method of nuclear power plant electrical systems based on the GO-FLOW method considering common fault failure is proposed. This study firstly constructs the algorithmic model of combining operators of repairable components and the equivalent model of reliability parameters of multi-mode repairable components, then establishes a probability calculation model of common fault failure for repairable systems by considering the quantitative computation of the common signaling system model, and finally, quantitatively calculates the reliability of nuclear power plant electrical systems and their influencing factors. The example simulation calculates the reliability of the external power supply system and the electrical system of the nuclear power plant, analyzes the influence of the common signal processing and the common fault failure factors on the reliability of the electrical system of the nuclear power plant, and verifies the validity of the proposed method. The results show that the common fault failure factors have a large impact on the system reliability analysis; the common fault failure of the standby diesel generator set will seriously reduce the reliability of the electrical system, which can be improved by installing additional standby diesel generators.

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Seheda, Mykhailo, Petro Baran, Victor Kidyba e Yaroslava Pryshliak. "Training system for power plant operators controlling the electrical part of a power generating unit". Computational Problems of Electrical Engineering 9, n. 1 (30 maggio 2019): 33–36. http://dx.doi.org/10.23939/jcpee2019.01.033.

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The expediency of the development of local training systems for power plant operators is considered. Principles of creating a training system for control operators of the electrical part of the power generating unit of the thermal power station have been developed. This system consists of two subsystems: a model of the electrical part of the power unit and a training subsystem. The model of the electrical part of the power unit includes models of a power system, generator, facilities, turbines, excitation systems, etc. The training subsystem allows the staff to cope with a learning process and acquire the skills necessary for control operators. The developed training system allows the staff to learn how to control the electrical part of the power generating unit during normal, special and emergency modes, such as: synchronization of the generator with the system (manual, automatic), transferring the excitation of the generator from the working excitation system to the standby excitation system and vice versa, synchronous oscillations of the system, load asymmetry, etc. The training system provides the opportunity of staff self-training, as well as objectively evaluates their knowledge of the operational control of the power unit. Its use allows the increase in the training quality of control operators of thermal and nuclear power plants.

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Liu, Chang Liang, e Ya Long Gao. "Thermal Power Plant Electrical Network Flow Calculations Based on AnySimu Platform". Applied Mechanics and Materials 241-244 (dicembre 2012): 1234–39. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.1234.

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In this paper, the Guodian Zhishen development of DCS as a platform, set up a thermal power plant 1000MW unit auxiliary power electrical system diagram AnySimu platform for simulation support system, and electrical network designed according to the principle of power flow calculation algorithm to calculate theeach node voltage, phase, and thus the load operator. After the simulation, verify the validity of the algorithm.

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Salim, Sardi, Ade Irawaty Tolago e Iskandar Zulkarnain Nasibu. "Hybrid power plant using synchronization controller system to save electricity cost". International Journal of Power Electronics and Drive Systems (IJPEDS) 15, n. 1 (1 marzo 2024): 377. http://dx.doi.org/10.11591/ijpeds.v15.i1.pp377-385.

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The application of hybrid energy power plants is one solution to save electricity cost in buildings of government agencies, industries, and universities. The problem with using hybrid power plants that use solar energy sources and paid electricity networks is that sunlight energy cannot produce energy consistently from sunrise to sunset. Maximum energy can only be obtained when the sun is vertically acceptable to the photovoltaic (PV). This results in electrical loads having to be disconnected or switched back to the grid. The application of an electrical power sharing system synchronization controller system (SCS) can automatically regulate the use of electrical energy to low PV energy. The results of research on the application of hybrid PV using the SCS system with a rooftop solar panel system at the Gorontalo State University Building can produce a total electrical power of 600,975 kWh. The need for electrical power from January to September 2022 amounted to 859,151 kWh. The SCS hybrid power plant can reduce the use of paid electrical energy and its costs by 83.60%. The investment, operational, and maintenance cost requirement is IDR 10,747,886,801. The return on investment (ROI) analysis results show that the return on investment can be achieved for up to 34 years.

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Buratynskyi, I. M. "Modeling the use of energy storage systems to transfer excess electricity from a solar power". Problems of General Energy 2021, n. 1 (24 marzo 2021): 38–44. http://dx.doi.org/10.15407/pge2021.01.038.

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The peculiarity of the operation of solar photovoltaic power plants is the dependence of the generation power on weather conditions, which leads to the maximum production of electrical energy at noon hours of the day. Due to a decrease in electricity consumption, insufficient unloading capacity of pumped storage power plants in the integrated energy system of Ukraine and the specifics of electricity production at solar photovoltaic power plants, dispatching restrictions on the level of generation power are already taking place. To transfer volumes of electrical energy in the world, electrical energy storage systems are used, which operate based on lithium-ion storage batteries. Such systems have a number of advantages over other battery energy systems, which allows their implementation in almost any power generation facility. With the help of energy storage systems, it is possible to make a profit through the purchase of electric energy during a period of low prices and its release during a period of high prices, allowing consumers to save money on its payment. In this paper, we simulate the use of a battery energy storage system for storing electrical energy to transfer excess electrical energy from a solar photovoltaic power plant. To conduct a study and identify excess capacity of a solar photovoltaic power plant, the daily schedule of electrical load is equalized to the capacity of a separate power plant Because of the study, the optimal time for charging and discharging the battery was determined, from which it can be seen that the need to transfer excess electricity to a solar photovoltaic power plant occurs at lunchtime, and their discharge at the peak is the graph of the electrical load of the power system. The aggregate operation of a solar power plant with a total installed capacity of photovoltaic power at the level of 10 MW (DC) and a battery energy storage system for accumulating electric energy with a capacity of 3.75 MWh was simulated. For the study day, the required capacity of a battery system for accumulating electric energy at the level of 1.58 MW was determined. Using the methodology of the levelized cost of electricity and storage, a technical and economic assessment of the transfer of excess capacity of a solar photovoltaic power plant using a battery system for storing electrical energy was carried out. When calculating the cost of storage, the cost of the transferred electrical energy from the solar power plant was taken into account. From the results of technical and economic calculations, it can be seen that, in terms of the cost of equipment, as of 2020, the cost of supplying excess electrical energy from the battery energy storage system is growing when compared with the supply from a solar photovoltaic power plant. Taking into account some forecast assumptions, the cost of electricity supply from the battery energy storage system was calculated for the mode of transferring excess capacity of a solar photovoltaic power plant for 2025 and 2030 years. Keywords: modeling, power system, load demand curve, solar photovoltaic power plant, electric energy storage system, cost

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Adetunmbi, AO, e OI Dare Adeniran. "Design of a mini hydro-electric power plant". International Journal of Multidisciplinary Research and Growth Evaluation 5, n. 1 (2024): 18–21. http://dx.doi.org/10.54660/.ijmrge.2024.5.1.18-21.

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The core concept of hydropower centers on capturing the energy produced as water moves from a higher elevation to a lower one. This involves utilizing the resulting water pressure to generate electrical energy. This practical application of hydropower generation theory entails the design and installation of a mini hydropower plant. To assess its performance, a storage tank was strategically positioned at the maximum height to optimize water pressure, and a plastic pipe was employed for transportation. The construction of a turbine and generator, along with the subsequent assembly of their respective components, constitutes the formation of the hydropower plant. The hydro turbine converts water pressure into mechanical shaft power, propelling the electric generator. The outcome is an alternating electromotive force (e.m.f) of 210 Volts at a frequency of 50 Hz, suitable for powering various household electrical appliances.

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Minucci, Simone, Stefano Panella, Sergio Ciattaglia, Maria Carmen Falvo e Alessandro Lampasi. "Electrical Loads and Power Systems for the DEMO Nuclear Fusion Project". Energies 13, n. 9 (4 maggio 2020): 2269. http://dx.doi.org/10.3390/en13092269.

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EU-DEMO is a European project, having the ambitious goal to be the first demonstrative power plant based on nuclear fusion. The electrical power that is expected to be produced is in the order of 700–800 MW, to be delivered via a connection to the European High Voltage electrical grid. The initiation and control of fusion processes, besides the problems related to the nuclear physics, need very complex electrical systems. Moreover, also the conversion of the output power is not trivial, especially because of the inherent discontinuity in the EU-DEMO operations. The present article concerns preliminary studies for the feasibility and realization of the nuclear fusion power plant EU-DEMO, with a special focus on the power electrical systems. In particular, the first stage of the study deals with the survey and analysis of the electrical loads, starting from the steady-state loads. Their impact is so relevant that could jeopardy the efficiency and the convenience of the plant itself. Afterwards, the loads are inserted into a preliminary internal distribution grid, sizing the main electrical components to carry out the power flow analysis, which is based on simulation models implemented in the DIgSILENT PowerFactory software.

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Oborskiy, Gennadiy A., Anatoliy N. Bundyuk e Olga S. Tarakhtii. "Control System of Cogeneration Power Plant at Partial Electrical Loads". Journal of Automation and Information Sciences 50, n. 7 (2018): 70–78. http://dx.doi.org/10.1615/jautomatinfscien.v50.i7.60.

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Baraldi, Piero, Francesco Di Maio, Luca Pappaglione, Enrico Zio e Redouane Seraoui. "Condition monitoring of electrical power plant components during operational transients". Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 226, n. 6 (18 ottobre 2012): 568–83. http://dx.doi.org/10.1177/1748006x12463502.

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Manohar, G. K., S. S. Kandalgaonkàr e S. M. Sholapurkar. "Effects of thermal power plant emissions on atmospheric electrical parameters". Atmospheric Environment (1967) 23, n. 4 (gennaio 1989): 843–50. http://dx.doi.org/10.1016/0004-6981(89)90489-7.

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Ubaidah. "Analisa Dampak Masuknya Photovoltaic (PV) Dalam Skala Besar Terhadap Performa Sistem Tenaga Listrik". Electrician 16, n. 1 (24 gennaio 2022): 31–35. http://dx.doi.org/10.23960/elc.v16n1.2277.

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Abstract — Photovoltaic (PV) is a renewable energy generator that produces electrical energy at a certaintime or also called intermittent.. A large number of PV penetrations into the system significantly affects theability of conventional generators to catch up with power due to decreased PV output power or when PVoutput power is not available. This is due to the different characteristics of the lean rate of each type ofgenerator. To overcome the power imbalance in the electric power system with various compositions, it isnecessary to limit the number of PV that is allowed to be installed in the electrical power interconnectionsystem.In this study, the generator and load data were used collectively from the Indonesian National GreatCompany. The power plants used are hydropower plant, steam power plant, geothermal power plant, dieselpower plant, gas engine power plant, and gas power plant. Based on the simulation results, the number of PVthat is allowed to be installed is a maximum of 30% of the total generation in a certain generationconfiguration. If the amount of PV exceeds the maximum limit, there will be a power imbalance between thegenerator and the load. If the generator configuration has a large generator capacity and has a high lean rate,PV plants can be connected to the electrical power interconnection of more than 30% of the total generation. Keywords— Duck curve, photovoltaic, ramping rate, power imbalance.

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Menzhinski, A. B. "Coordination of forces of mechanical and electric subsystems of power plant with free piston engine and electric generator of reciprocating type". Proceedings of the National Academy of Sciences of Belarus, Physical-Technical Series 64, n. 3 (6 ottobre 2019): 304–20. http://dx.doi.org/10.29235/1561-8358-2019-64-3-304-320.

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Autonomous power supply system of modern mobile special-purpose equipment requires the development of electromechanical energy converters with high energy and minimum weight- and size indicators. In industrialized countries, the system “free piston engine – reciprocating electric generator of transverse type” is considered as a promising power plant. The main feature of this kind of power plant is the lack of crank mechanism in the engine design. This allows: increasing the efficiency of the engine up to 50–60 % and overall power by 2.5–3 times while reducing the specific gravity and metal consumption compared to traditional engines; reducing the specific fuel consumption of the engine up to 30 %; increasing the resource to overhaul by 30–50 thousand hours; implementing a modular structure. The main drawbacks of this kind of power plant are high probability of failure when passing the ignition of the working mixture and instability of work with significant load fluctuations. The noted drawbacks are due to the inconsistency of the forces of the electrical and mechanical subsystems of the power plant throughout the operating cycle. The solution for the problem of matching the forces of the electrical and mechanical subsystems of the power plant in the extreme positions of the piston group of the free piston engine is of particular complexity. In this regard, a method for solving the problem of matching the forces of the mechanical and electrical subsystems of the power plant with a free-piston engine throughout the operating cycle was developed, characterized by the use of an electromechanical reciprocating energy converter with transverse- and longitudinal nonlinear changes in the magnetic flux in the electrical subsystem. Coordination of the forces of mechanical and electrical subsystems of the power plant on the entire operating cycle makes it possible to fulfill the conditions of continuous electromechanical energy conversion at all work cycle and to reduce the specific gravity of the electrical subsystems of the plant while improving efficiency.

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Plieshkov, Petro, Vasyl Zinzura, Serhii Plieshkov e Valentyn Soldatenko. "Determination of the optimal point of connection of the solar power plant to the electrical network by computer simulation". Central Ukrainian Scientific Bulletin. Technical Sciences 2, n. 8(39) (2023): 48–57. http://dx.doi.org/10.32515/2664-262x.2023.8(39).2.48-57.

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The purpose of this study is to minimize the negative impact of the solar power plant on the value of the steady voltage deviation and the level of electricity losses by determining the optimal place for its connection to the distribution network. Currently, quite a large number of methods of optimal placement of renewable sources of electricity in electrical networks have been developed. However, most of them either do not fully take into account the multifunctional influence of renewable energy sources on the parameters of the electric network regime, or are quite difficult to use. In order to solve the problem of optimal placement of renewable sources of electricity in electric networks, it is proposed to use the method of computer simulation modeling. The essence of this method is to determine the optimal place for connecting a renewable energy source to the electrical network based on the analysis of the results of computer simulation modeling of network mode parameters. This approach is the most acceptable in the case of connecting a solar power plant of average power to the electrical network of an industrial enterprise. The developed computer simulation model of a distribution electric network with a solar power plant allows for the research of network mode parameters, including the determination of the level of active power loss in network elements and the level of steady voltage deviation. The specified computer simulation models of the distribution electric network with a solar power plant made it possible to determine the optimal place for connecting the solar power plant based on the values of power losses in the elements of the electric network at the level of the established voltage deviation. The results of computer modeling of an electrical network with a solar power plant confirmed the need to take into account not only the values of the established voltage deviation, but also the amount of electrical energy losses in the network elements in the process of choosing a place to install a solar power plant. The results of the research can be used in solving the problems of determining the place of connection of a medium-power solar power plant to the electrical network of an industrial enterprise.

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Sankhya Pranata Adiguna, I. Made, I. Nyoman Setiawan e I. A. Dwi Giriantari. "PERANCANGAN PEMBANGKIT LISTRIK TENAGA SURYA PADA ROOFTOP KANTOR PT BALI CUKUP MANDIRI". Jurnal SPEKTRUM 10, n. 2 (30 giugno 2023): 35. http://dx.doi.org/10.24843/spektrum.2023.v10.i02.p5.

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Solar Power Plant is a power generator that converts sunlight into electricity. Solar Power Plant has a simple concept, namely converting sunlight into electrical energy. These solar cells can produce unlimited energy directly taken from the sun, and do not require fuel, so solar cells are often said to be clean and environmentally friendly. This journal discusses how to design a Solar Power Plant system at PT Bali Cukup Mandiri. The design is in the form of calculating the number of solar panels that can be installed, the capacity obtained, calculating the required capital costs, choosing the appropriate type of Solar Power Plant, the profit and loss if the Solar Power Plant is installed, and a comparison of electricity costs before and after it is installed. The simulation results of Solar Power Plant electrical energy production using the Helioscope and HOMER applications. The calculation results for the Solar Power Plant system for a capacity of 8 kWp require 24 units of 335 Wp solar modules, using a Solar Power Plant installation system of 24 serial units, the capital cost for making Solar Power Plant is around Rp. 114,504,000 electricity generated by the PV system is 13,337 kWh/year and accommodates up to 49% of electrical energy. savings of IDR 16,303,604 in one year after deducting the total electricity bill payments. The total time needed to cover the initial investment in designing a rooftop solar system at PT Bali Cukup Mandiri is 8 years.

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Desfitri, Erda, Citra Salsabilla e Bunga Putri. "Review of Micro Hydro Power Plant (MHPP) as a Solution to Reach Remote Areas of Electricity". Teknosia 17, n. 2 (18 dicembre 2023): 102–9. http://dx.doi.org/10.33369/teknosia.v17i2.31466.

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A micro hydro power plant (MHPP) is a small-scale power plant that converts the potential energy of the air into mechanical work, turning turbines and generators to generate electrical power. Small scale, which is around 0-100 kW. The construction of a Micro-hydro Power Plant (MHPP) is an alternative supply of electrical energy, especially in rural areas that are not covered by the electricity grid State Power Plant. MHPP has a high potential as an alternative to renewable energy sources. Thus, the reliability of the system built is a must forget quality electricity. In a power plant, what is considered is the stability of the output voltage generated by the generator; this is necessary to keep the consumer's equipment from being damaged. Unstable voltage can also Age-reduce equipment (lifetime) owned by consumers. Keywords: Micro Hydro Power Plant 2; Alternative, 3; Electric Power

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Sidorenko, G., e A. AlJamil. "WIND POWER PLANT PARAMETERS OPTIMIZATION MODEL". EurasianUnionScientists 5, n. 1(82) (15 febbraio 2021): 35–41. http://dx.doi.org/10.31618/esu.2413-9335.2021.5.82.1228.

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A technical and economic model of a wind power plant has been developed. Parameterization was carried out and the main parameters of the wind power plant were identified. Statistical relationships of parameters with capital investments in wind turbines and costs of their operation and maintenance were established. The criterion for the search for optimal parameters is taken as the minimum discounted unit costs for the production of electrical energy for the economic life of the wind power plant. To do this, the electricity production in a wind power plant must be maximized by reducing the so-called wake effect that is created in a wind farm due to the shading of some wind turbines by others. The velocity reduction behind each wind turbine is estimated. An algorithm for optimizing the parameters of a wind power plant has been developed. An optimization model was used to determine the parameters of the Hasia wind power plant.

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Duchac, Alexander, e Marc Noël. "Disturbances in the European Nuclear Power Plant Safety Related Electrical Systems". Journal of Electrical Engineering 62, n. 3 (1 maggio 2011): 173–80. http://dx.doi.org/10.2478/v10187-011-0029-8.

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Disturbances in the European Nuclear Power Plant Safety Related Electrical Systems This work is part of the European Clearinghouse on Nuclear Power Plant Operational Experience Feedback (NPP-OEF) activity carried out at the Joint Research Centre/Institute for Energy (JRC/IE) with the participation of ten EU Regulatory Authorities. It investigates the Forsmark-1 event of July 2006, as well as about 120 disturbances in the plant electrical systems that were reported to the Incident Reporting System (IRS) and US Licensee Event Reports (LER) in the period 1985-2008. The aim of the work was to provide important insights from the Forsmark event of July 2006 and illustrate some vulnerabilities of the plant electrical system to over voltage transients. It identified electrical equipment involved, failure modes, contributing factors, actual and potential consequences, and corrective actions. Initiating factors and associated root causes were also analysed. The analysis of International Operation Experience Feedback revealed number of events that involved disturbances in the plant electrical systems, and which may have features in common with the Forsmark-1 event. It underlines the importance of sharing lessons learned from design modifications made at another unit of similar design that if known, it could have identified susceptibility of emergency diesel generators to common mode failure before the event occurred. This paper also summarizes international projects that were initiated by Forsmark event, as well as important lessons that still can be learned from Forsmark event. This paper presents actions taken at nuclear power plants and regulatory authorities in different countries to prevent similar event to occur.

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Osarenmwinda, J. O., e A. Okorie. "Critical components that cause failure and downtime in electrical machine of a power generating plant: a case study". International Journal of Academic Research 5, n. 6 (10 dicembre 2013): 119–22. http://dx.doi.org/10.7813/2075-4124.2013/5-6/a.16.

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Yan, Tao. "Artificial Intelligence Technology in Electric Automation Monitoring System of Power Plant". Journal of Physics: Conference Series 2143, n. 1 (1 dicembre 2021): 012010. http://dx.doi.org/10.1088/1742-6596/2143/1/012010.

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Abstract With the development of large-capacity and high-parameter units, the degree of electrical automation in power plants is becoming more and more important. Due to the relatively backward technology of traditional electrical monitoring, it is more human monitoring, and the level of automation is low. Nowadays, communication network technology has been rapidly developed, and machinery and equipment have become more intelligent. These have laid a good technical foundation for the reform and innovation of electrical automation monitoring systems in power plants. This article first studies the development status of the electrical automation monitoring system, and then uses the fieldbus and Ethernet technology to carry out the configuration mode and construction of the electrical automation system. Then, this article designs the basic functions, advanced application functions and software parts of the system. Finally, this paper tests the running time and update function of the system dynamic module. The test result shows that the running time of the dynamic module meets the requirements of the system, and the update function is relatively fast.

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Moustafa, Abdelrahman, e Choong-koo Chang. "Cascading failure Prevention in Electrical Power Protection System of Nuclear Power Plant using IEC61850". Transactions of The Korean Institute of Electrical Engineers 69, n. 1 (31 gennaio 2020): 203–10. http://dx.doi.org/10.5370/kiee.2020.69.1.203.

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Elfaki, Elkhawad Ali, e Ahmed Hassan Ahmed. "Prediction of Electrical Output Power of Combined Cycle Power Plant Using Regression ANN Model". Journal of Power and Energy Engineering 06, n. 12 (2018): 17–38. http://dx.doi.org/10.4236/jpee.2018.612002.

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Grigoriev, A. V., D. I. Ulitovsky e S. M. Malyshev. "Computer Modeling and Electrical Calculations of an Autonomous Power Plant with Static Power Sources". Russian Electrical Engineering 94, n. 3 (marzo 2023): 143–48. http://dx.doi.org/10.3103/s1068371223030057.

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GRIGORIEV, A. V., D. I. ULITOVSKY e S. M. MALYSHEV. "Computer modeling and electrical calculations of an autonomous power plant with static power sources". Elektrotekhnika, n. 3 (2023): 2–7. http://dx.doi.org/10.53891/00135860_2023_3_2.

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Hussain, Abadal Salam T., Waleed A. Oraibi, Fadhel A. Jumaa, F. Malek, Syed F. Ahmed, Taha A. Taha, Jailani O. Mahmoud et al. "Power Plant Station Protection System against Voltage Fluctuation". Applied Mechanics and Materials 793 (settembre 2015): 65–69. http://dx.doi.org/10.4028/www.scientific.net/amm.793.65.

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Electrical Power System protection is required to protectboth the user and the system equipment itself fromany fault, hence electrical power system is not allowed to operate without any protection devices installed. Power System fault is defined as the undesirable condition that occurs in the power system. Some of these undesirable conditions are short circuit, current leakage, ground faultand over-under voltage. With the increasing loads, voltages and short-circuit duty in power plant, over voltage protection has become more important today. Here, the component that had been used is PIC 16F877a microcontroller to control the whole system and especially on the circuit breakers as well as the LCT display unit is used to display the voltage level and type of generator that used to serve the load. Sensors are used to measure both thevoltage and the load. The controlled digital signal from PIC microcontroller is converted by using the digital analog converter to control the whole circuit. Thus a device called protective relay is created to meet this requirement. The protective relay is mostlyoften coupled with circuit breaker in a way that it can isolate the abnormal condition in the system.

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Kovernikova, L. I., e Ngoc Hung Bui. "Additional Power Losses Under Non-Sinusoidal Conditions in a 22 kV Overhead Power Line". Energy Systems Research 7, n. 1(25) (30 aprile 2024): 31–36. http://dx.doi.org/10.25729/esr.2024.01.0003.

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Non-sinusoidal conditions in the electrical networks cause active power losses at the fundamental frequency, corresponding to the first harmonic, and at harmonic frequencies, which are a multiple of the fundamental frequency. Non-sinusoidal currents flow through network components and create additional active power losses. One of the non-sinusoidal current sources is electronic equipment used in industrial plants to control process equipment. In Vietnam, coal mines use frequency-controlled induction motors when processing coal. The induction motors consume non-sinusoidal current, which creates additional active power losses in the supply network. The harmonic active power does not perform useful work. It causes economic damage to both the supply network and industrial enterprises. The power supply systems in industrial areas of Vietnam, where coal is mined, are characterized by low power quality. Companies engaged in coal mining and processing are forced to pay for additional losses of active power due to the low power quality under non-sinusoidal conditions, which reduces the economic efficiency of the companies' operations. The paper presents a review of the literature on the assessment of additional active power losses in overhead power lines at harmonic frequencies. An example of calculating additional losses of harmonic active power is given for a 22 kV overhead power line, through which electrical energy is supplied to the coal grading plant of the Kua Ong-Vinacomin company. Additional losses are calculated using the measurements of harmonic voltage and current at the point of the supply network connection to the 22 kV overhead power line, through which electrical energy is supplied to the coal mine and the coal grading plant. To assess the influence of the electrical equipment of the coal grading plant on the power quality in the supply network, measurements were carried out on 0.4 kV buses of electrical substation of the coal mine.

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Rahmat, Budi Nugroho e Arif Hidayat Purwono. "IoT Application for Monitoring and Recording Solar Power Plant Data". E3S Web of Conferences 500 (2024): 01008. http://dx.doi.org/10.1051/e3sconf/202450001008.

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The availability of fossil energy sources to produce electricity for the purposes of providing electricity used by industry and society is increasingly limited. Alternative sources of electricity that do not depend on fossil energy sources as an energy source to drive prime mover generators for power plants have been mobilized and developed as alternative sources of electricity, one of which is solar cells. The use of solar cells as a device that can convert sunlight into electrical voltage and then store it in a battery, becomes an alternative source of electrical energy to meet various electrical power needs. Monitoring the current and voltage produced by solar cells is very necessary to find out how much power the solar cells we use produce. We can determine the intensity of light absorbed by solar cells by measuring light intensity. The goal of this project is to monitor and track the electrical power generated by solar power plants using Internet of Things (IoT) technologies. A web server, an ESP32 to process data from the current and voltage sensors mounted on the solar cell and then transfer it to the web server, and a smartphone to monitor the current and voltage produced by the solar cell make up the built Internet of Things system. Smartphones can access the data that is sent from the ESP32 because it is saved on a web server. Data from measurements from the IoT system that we created for monitoring power on solar panels taken on 6 November 2023 until 12 November 2023 Obtained data of average/day 140.2VA and measurements of average light intensity 31,380 lux. This data describes the power produced per day from a place with the intensity of light received by solar cells to produce electrical power as a result of monitoring data from the IoT system that we developed. From the case above, the IoT system that we have developed can monitor initial data for a place where solar panels will be installed to be used as a solar power plant.

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Rivenbark, E. R., e G. W. Mouland. "New Thermal Generating Plant Projects in New Brunswick". Energy Exploration & Exploitation 13, n. 4 (agosto 1995): 385–92. http://dx.doi.org/10.1177/014459879501300409.

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New Brunswick Power Corporation's electrical generating system is well diversified with electrical power produced by a mix of hydro, fossil and nuclear generating plants. Recently, in developing aditional generating capacity, keeping a diversity of fuel options was key in New Brunswick Power Corporation's plans. The recently completed 450 megawatt (net) Belledune Generating Station which is currently fired on coal, includes boiler design provisions so that it could be converted to operate on bunker “C” or Orimulsion™ (Note 1). The conversion of the 100 MW bunker “C” unit and the 212 MW coal fired unit at Dalhousie to Orimulsionxx firing provides access to a significant new fuel on the world market.

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Langston, Lee S. "The Elephant in the Room–Gas Turbine Power". Mechanical Engineering 132, n. 12 (1 dicembre 2010): 57. http://dx.doi.org/10.1115/1.2010-dec-8.

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This article presents an overview of gas turbine combined cycle (CCGT) power plants. Modern CCGT power plants are producing electric power as high as half a gigawatt with thermal efficiencies approaching the 60% mark. In a CCGT power plant, the gas turbine is the key player, driving an electrical generator. Heat from the hot gas turbine exhaust is recovered in a heat recovery steam generator, to generate steam, which drives a steam turbine to generate more electrical power. Thus, it is a combined power plant burning one unit of fuel to supply two sources of electrical power. Most of these CCGT plants burn natural gas, which has the lowest carbon content of any other hydrocarbon fuel. Their near 60% thermal efficiencies lower fuel costs by almost half compared to other gas-fired power plants. Their installed capital cost is the lowest in the electric power industry. Moreover, environmental permits, necessary for new plant construction, are much easier to obtain for CCGT power plants.

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