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Academic literature on the topic 'Magnetized generators- renewable energy applications'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Magnetized generators- renewable energy applications"

1

Hsieh, Min-Fu, Feng-Sheng Hsu, and David G. Dorrell. "Winding Changeover Permanent-Magnet Generators for Renewable Energy Applications." IEEE Transactions on Magnetics 48, no. 11 (November 2012): 4168–71. http://dx.doi.org/10.1109/tmag.2012.2196266.

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Xie, Jiaping, Weisi Zhang, Lihong Wei, Yu Xia, and Shengyi Zhang. "Price optimization of hybrid power supply chain dominated by power grid." Industrial Management & Data Systems 119, no. 2 (March 11, 2019): 412–50. http://dx.doi.org/10.1108/imds-01-2018-0041.

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Purpose The purpose of this paper is to examine the impact of renewable energy on the power supply chain and to study whether the renewable generator or the power grid that purchases power from the power spot market is better when the actual generation of renewable energy is insufficient. The authors want to compare and analyze the different power supply chain operation modes and discuss the optimal mode selection for renewable energy generator and power grid in different situations. Design/methodology/approach This paper studies the grid-led price competition game in the power supply chain, in which the power grid as a leader decides the price of transmission and distribution, and generators determine the power grid price. The renewable energy power generator and the traditional energy power generator conduct a price competition game; on the other hand, the power grid and power generators conduct Stackelberg games. The authors analyze the power supply of single power generator and two power generators, respectively, and research on the situation that the renewable energy cannot be fully recharged when the actual power generation is insufficient. Findings The study finds that both renewable and traditional power grid prices decline as price sensitivity coefficient of demand and installed capacity of renewable energy generators increase. Power grid premium decreases as the price sensitivity coefficient of demand increases, but rises as the installed capacity of renewable energy generator increases. When there is a shortage of power, if the installed capacity of renewable energy is relatively small and price sensitivity coefficient of demand is relatively large, the grid purchases the power from power spot market and shares cost with renewable energy generators, leading to higher expected profits of the renewable energy generators. On the contrary, the renewable energy generators prefer to make up power shortage themselves. For the power grid, purchasing the power by the renewable energy generators when there is a power shortage can bring more utility to the power grid when the installed capacity of renewable energy is lower and the demand price sensitivity coefficient is higher. When the installed capacity of renewable energy is high and the price sensitivity coefficient of demand is moderate, or the installed capacity of renewable energy is moderate and the demand price sensitivity coefficient is high, a generator that simultaneously possesses two kinds of energy source will bring more utility to the power grid. If the installed capacity of renewable energy and the demand price sensitivity coefficient both are small or the installed capacity of renewable energy and the price sensitivity coefficient of demand both are large, the power grid prefers to purchase the power by itself when there is a power shortage. Practical implications The goal of our paper analysis is to explore the implications of the theoretical model and address the series of research questions regarding the impact of the renewable energy on the power supply chain. The results of this study have key implications for reality. This paper sheds light on the power supply chain operation mode selection, which can potentially be used for the renewable energy generators to choose their operating mode and can also help traditional energy generators and power grid enterprises maximize their utility. This paper also has some references for the government to formulate the corresponding renewable energy development policy. Originality/value This paper studies the power operation mode under the uncertainty of supply and demand, and compares the advantages and disadvantages of renewable energy generator that makes up the shortage or the power grid purchases the power from power spot market then shares cost with the renewable energy generator. This paper analyzes the power grid-led coordination problem in a power supply chain, compares and analyzes the price competition game model of single power generator and dual power generators, and compares the different risk preferences of power grid.

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Zoui, Mohamed Amine, Saïd Bentouba, John G. Stocholm, and Mahmoud Bourouis. "A Review on Thermoelectric Generators: Progress and Applications." Energies 13, no. 14 (July 13, 2020): 3606. http://dx.doi.org/10.3390/en13143606.

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A thermoelectric effect is a physical phenomenon consisting of the direct conversion of heat into electrical energy (Seebeck effect) or inversely from electrical current into heat (Peltier effect) without moving mechanical parts. The low efficiency of thermoelectric devices has limited their applications to certain areas, such as refrigeration, heat recovery, power generation and renewable energy. However, for specific applications like space probes, laboratory equipment and medical applications, where cost and efficiency are not as important as availability, reliability and predictability, thermoelectricity offers noteworthy potential. The challenge of making thermoelectricity a future leader in waste heat recovery and renewable energy is intensified by the integration of nanotechnology. In this review, state-of-the-art thermoelectric generators, applications and recent progress are reported. Fundamental knowledge of the thermoelectric effect, basic laws, and parameters affecting the efficiency of conventional and new thermoelectric materials are discussed. The applications of thermoelectricity are grouped into three main domains. The first group deals with the use of heat emitted from a radioisotope to supply electricity to various devices. In this group, space exploration was the only application for which thermoelectricity was successful. In the second group, a natural heat source could prove useful for producing electricity, but as thermoelectricity is still at an initial phase because of low conversion efficiency, applications are still at laboratory level. The third group is progressing at a high speed, mainly because the investigations are funded by governments and/or car manufacturers, with the final aim of reducing vehicle fuel consumption and ultimately mitigating the effect of greenhouse gas emissions.

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Jafari, Reza, Pedram Asef, Mohammad Ardebili, and Mohammad Mahdi Derakhshani. "Linear Permanent Magnet Vernier Generators for Wave Energy Applications: Analysis, Challenges, and Opportunities." Sustainability 14, no. 17 (September 1, 2022): 10912. http://dx.doi.org/10.3390/su141710912.

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Harvesting energy from waves as a substantial resource of renewable energy has attracted much attention in recent years. Linear permanent magnet vernier generators (LPMVGs) have been widely adopted in wave energy applications to extract clean energy from oceans. Linear PM vernier machines perform based on the magnetic gearing effect, allowing them to offer high power/force density at low speeds. The outstanding feature of providing high power capability makes linear vernier generators more advantageous compared to linear PM synchronous counterparts used in wave energy conversion systems. Nevertheless, they inherently suffer from a poor power factor arising from their considerable leakage flux. Various structures and methods have been introduced to enhance their performance and improve their low power factor. In this work, a comparative study of different structures, distinguishable concepts, and operation principles of linear PM vernier machines is presented. Furthermore, recent advancements and innovative improvements have been investigated. They are categorized and evaluated to provide a comprehensive insight into the exploitation of linear vernier generators in wave energy extracting systems. Finally, some significant structures of linear PM vernier generators are modeled using two-dimensional finite element analysis (2D-FEA) to compare their electromagnetic characteristics and survey their performance.

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Foti, Salvatore, Antonio Testa, Salvatore De Caro, Luigi Danilo Tornello, Giacomo Scelba, and Mario Cacciato. "Multi-Level Multi-Input Converter for Hybrid Renewable Energy Generators." Energies 14, no. 6 (March 22, 2021): 1764. http://dx.doi.org/10.3390/en14061764.

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A three-phase multi-level multi-input power converter topology is presented for grid-connected applications. It encompasses a three-phase transformer that is operated on the primary side in an open-end winding configuration. Thus, the primary winding is supplied on one side by a three-phase N-level neutral point clamped inverter and, on the other side, by an auxiliary two-level inverter. A key feature of the proposed approach is that the N-level inverter is able to perform independent management of N − 1 input power sources, thus avoiding the need for additional dc/dc power converters in hybrid multi-source systems. Moreover, it can manage an energy storage system connected to the dc-bus of the two-level inverter. The N-level inverter operates at a low switching frequency and can be equipped with very low on-state voltage drop Insulated-Gate Bipolar Transistor (IGBT) devices, while the auxiliary inverter is instead operated at low voltage according to a conventional high-frequency two-level Pulse Width Modulation (PWM) technique and can be equipped with very low on-state resistance Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) devices. Simulations and experimental results confirm the effectiveness of the proposed approach and its good performance in terms of grid current harmonic content and overall efficiency.

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Teng, Choon Peng, Ming Yan Tan, Jessica Pei Wen Toh, Qi Feng Lim, Xiaobai Wang, Daniel Ponsford, Esther Marie JieRong Lin, Warintorn Thitsartarn, and Si Yin Tee. "Advances in Cellulose-Based Composites for Energy Applications." Materials 16, no. 10 (May 20, 2023): 3856. http://dx.doi.org/10.3390/ma16103856.

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The various forms of cellulose-based materials possess high mechanical and thermal stabilities, as well as three-dimensional open network structures with high aspect ratios capable of incorporating other materials to produce composites for a wide range of applications. Being the most prevalent natural biopolymer on the Earth, cellulose has been used as a renewable replacement for many plastic and metal substrates, in order to diminish pollutant residues in the environment. As a result, the design and development of green technological applications of cellulose and its derivatives has become a key principle of ecological sustainability. Recently, cellulose-based mesoporous structures, flexible thin films, fibers, and three-dimensional networks have been developed for use as substrates in which conductive materials can be loaded for a wide range of energy conversion and energy conservation applications. The present article provides an overview of the recent advancements in the preparation of cellulose-based composites synthesized by combining metal/semiconductor nanoparticles, organic polymers, and metal-organic frameworks with cellulose. To begin, a brief review of cellulosic materials is given, with emphasis on their properties and processing methods. Further sections focus on the integration of cellulose-based flexible substrates or three-dimensional structures into energy conversion devices, such as photovoltaic solar cells, triboelectric generators, piezoelectric generators, thermoelectric generators, as well as sensors. The review also highlights the uses of cellulose-based composites in the separators, electrolytes, binders, and electrodes of energy conservation devices such as lithium-ion batteries. Moreover, the use of cellulose-based electrodes in water splitting for hydrogen generation is discussed. In the final section, we propose the underlying challenges and outlook for the field of cellulose-based composite materials.

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Rice, Ilunga Kajila, Hanhua Zhu, Cunquan Zhang, and Arnauld Robert Tapa. "A Hybrid Photovoltaic/Diesel System for Off-Grid Applications in Lubumbashi, DR Congo: A HOMER Pro Modeling and Optimization Study." Sustainability 15, no. 10 (May 17, 2023): 8162. http://dx.doi.org/10.3390/su15108162.

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In Lubumbashi, the capital of Haut Katanga in the Democratic Republic of the Congo (DR Congo), diesel power plants are a common source of electricity. The need to utilize local renewable energy sources in DR Congo has increased due to the unreliability of the state grid and the rising cost of running diesel generators. Solar photovoltaic (PV) panels and batteries, in particular, have recently recorded significant price drops. It is important for operators and suppliers to choose optimal generators together with a renewable energy system to lessen the energy deficit. Diesel generators are still widely used in DRC, but their efficiency pales in contrast to that of more recent power facilities. Consuming fossil fuels results in high expenses for upkeep and operation, in addition to severe environmental damage. This study assessed the feasibility of using local weather and technical data to evaluate the efficiency of a diesel power plant hybridized with a PV system. The Hybrid Optimization Model for Electric Renewable (HOMER) simulations suggest that the hybrid system schedule is preferable due to its many economic and environmental advantages for the local community and its inhabitants. The promotion of such a hybrid system may encourage the sustainable economic development of a stable source of electricity for the Congo Region.

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Bâra, Adela. "Mix-generation optimization for electricity market simulation." Scientific Bulletin of Naval Academy XXIII, no. 1 (July 15, 2020): 180–85. http://dx.doi.org/10.21279/1454-864x-20-i1-023.

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Owning several types of generating units requires an optimized schedule to cover the negotiated bilateral contracts. This approach will lead to a better electricity market strategy and benefits for an electricity producer. In this paper, we will simulate the operation of five different generators including generators based on Renewable Energy Sources (such as wind turbines and photovoltaic panels) that belong to an electricity producer. The five generators are modelled considering the specificity of their type and primary energy source. For instance, for renewable energy sources, we will consider the 24-hour generation forecast. The objective function of the optimization process is to obtain an optimal loading of generators, while the constraints are related to the capacity and performance of the generators. The output consisting in a generating unit optimized operation schedule will be further used for day-ahead or balancing market bidding process. Hence, the producer will be able to adequately bid on the future electricity markets knowing the commitment of generators for negotiated bilateral contracts market. The simulations are tested for more than five generators considering the connection to a relational database where more data for generators is stored.

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Widera, Barbara. "Renewable hydrogen as an energy storage solution." E3S Web of Conferences 116 (2019): 00097. http://dx.doi.org/10.1051/e3sconf/201911600097.

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The paper will discuss the potential of renewable hydrogen as an energy storage medium for the decarbonisation of multiple sectors and for the energy system security. The author will particularly focus on the applications related to the building industry with perspectives to be further developed. The paper will cover the most up-to-date initiatives addressing the combination of hydrogen production based on water electrolysis and solar energy methods with the possibility of hydrogen implementations for energy storage, transportation and stationary applications such as combined heat and power (CHP) plants or fuel cell electric generators. The opportunity to reach improved efficiency and cost-effectiveness in the energy transition will be presented on the example of the two selected case studies: the world’s first full-scale wind power and hydrogen plant and the most up-to-date on-going project chosen by Fuel Cells and Hydrogen Joint Undertaking. They will be analysed in purpose to draw the conclusions regarding the options and limitations of the actual renewable hydrogen based energy storage systems tested in the real life situation. The second aim of the paper is to formulate the recommendations for the further action in this field, including the reduction of some non-technological barriers.

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Wang, Ke Sheng, and Ming Chen. "A Prototype of DEAP Ocean Wave Powered Generator." Advanced Materials Research 347-353 (October 2011): 3430–33. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.3430.

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Ocean wave power is emerging as a particularly attractive form of renewable energy. Dielectric Electric Active Polymers (DEAP) have has been used to transform electrical to mechani¬cal energy in an actuator mode. However it has few applications in a generator mode. This paper introduces a new concept of “New Renewable Energy” and presents a prototype of DEAP ocean wave powered generator, which has been developed at Knowledge Discovery Laboratory (KDL), Norwegian University of Science and Technology (NTNU). The DEAP prototype could be easily extended to other applications such as human-power generator, conventional power generators, and wind power applications.

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Books on the topic "Magnetized generators- renewable energy applications"

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Farret, Felix A., and Marcelo Godoy Simoes. Alternative Energy Systems: Design and Analysis with Induction Generators, Second Edition (Power Electronics and Applications Series). 2nd ed. CRC, 2007.

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Book chapters on the topic "Magnetized generators- renewable energy applications"

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Almonacid, Florencia, Catalina Rus, Pedro Pérez-Higueras, and Leocadio Hontoria. "Two New Applications of Artificial Neural Networks: Estimation of Instantaneous Performance Ratio and of the Energy Produced by PV Generators." In Soft Computing in Green and Renewable Energy Systems, 199–232. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22176-7_8.

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Sandhu, Kanwarjit S. "Analysis of Induction Generators for Renewable Energy Applications." In Handbook of Renewable Energy Technology, 717–56. WORLD SCIENTIFIC, 2011. http://dx.doi.org/10.1142/9789814289078_0026.

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Yadav, Deepak, Saad Mekhilef, Brijesh Singh, Muhyaddin Rawa, Yusuf Alturki, and Abdullah Abusorrah. "Generators’ revenue augmentation in highly penetrated renewable M2M coordinated power systems." In Applications of AI and IOT in Renewable Energy, 19–31. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-323-91699-8.00002-4.

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Cernaianu, Mihail O., and Aurel Gontean. "Energy Harvesting and Energy Conversion Devices Using Thermoelectric Materials." In Renewable and Alternative Energy, 1029–80. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1671-2.ch033.

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The authors propose in this chapter an original, self-sustainable, power supply system for wireless monitoring applications that is powered from an energy harvesting device based on thermoelectric generators (TEGs). The energy harvesting system's purpose is to gather the waste heat from low temperature sources (<90°C), convert it to electrical energy and store it into rechargeable batteries. The energy harvesting system must be able to power a so-called condition monitoring system (CMS) that is used for the monitoring of heat dissipation equipment. The setup used for measurements (including mechanical details) and the experiments are described along with all the essential results of the research. The electronic system design is emphasized and various options are discussed.

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Adrian Cotfas, Petru, Daniel Tudor Cotfas, and Horia Hedesiu. "Virtual Instrumentation Used in Renewable Energy." In LabVIEW - Virtual Instrumentation in Education and Industry [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.110298.

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The demand of energy increases once with the growth of population, and therefore, the finding of or improvement in the efficiency of renewable energy sources becomes very important for researchers and industry. The conversion of solar energy into electrical energy can be done based on photovoltaic or Seebeck effects. In the first case, photovoltaic panels are used, while in the second case, thermoelectric generators are used. The two can be combined to obtain the so-called hybrid systems, which have the goal to improve the overall conversion efficiency of the system. This chapter is focused on showing how the graphical programing language, called NI LabVIEW, together with a SPICE simulator, called NI Multisim, can be used for studying and understanding the behavior of the photovoltaic and thermoelectric generators as parts of the renewable energy sources. Different simulations developed in LabVIEW or Multisim are presented, and some monitoring and characterization applications are also described. Simple simulations to complex laboratory or industrial-level applications are dealt with in this chapter.

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Watada, Junzo, Haydee Rocio Melo, and Jaeseok Choi. "A Service Cost-Base Supply Balance of Sustainable Power Generation." In Handbook of Research on Modern Optimization Algorithms and Applications in Engineering and Economics, 422–44. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9644-0.ch016.

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Recently, renewable power sources such as WTG and PV have become viable economic options for generating sustainable energy. However, WTG and PV have an inconstant power production problem. To solve this problem, multi-state models have been proposed. The electricity generated from these units varies with different time scales: hourly, daily and seasonally. Since planning an optimal size generates cost losses to the customer, three models should be built: a load model, generation model, and service cost model. Loss of energy expectation (LOEE) and loss of load expected (LOLE) are calculated for the load and generation model. The reliability value is calculated to determine the number of required renewable generators. As a result, the system is constructed to have sufficient capacity, and the utility cost became the main objective of the total service costs.

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Conference papers on the topic "Magnetized generators- renewable energy applications"

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Keysan, O., and M. A. Mueller. "Superconducting generators for renewable energy applications." In IET Conference on Renewable Power Generation (RPG 2011). IET, 2011. http://dx.doi.org/10.1049/cp.2011.0102.

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Abdollahi, Mostafa, Jose Ignacio Candela, Joan Rocabert, and Raul Santiago Munoz Aguilar. "Active Power Limiter for Static Synchronous Generators in Renewable Applications." In 2018 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2018. http://dx.doi.org/10.1109/ecce.2018.8557448.

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Tiegna, Huguette, Yacine Amara, Georges Barakat, and Brayima Dakyo. "Overview of high power wind turbine generators." In 2012 International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2012. http://dx.doi.org/10.1109/icrera.2012.6477341.

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Yamauchi, Hayato, Kosuke Uchida, Atsushi Yona, and Tomonobu Senjyu. "Intelligent operations of distribution system with distributed generators." In 2012 International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2012. http://dx.doi.org/10.1109/icrera.2012.6477324.

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Itoh, Jun-ichi, and Kazuma Tanimukai. "Seamless star-delta winding changeover circuit for AC generators." In 2015 International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2015. http://dx.doi.org/10.1109/icrera.2015.7418548.

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Andriollo, M., L. Dall'Ora, G. Martinelli, and A. Tortella. "Performance comparison of saturated tubular linear permanent magnet generators by simplified FEAs." In 2012 International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2012. http://dx.doi.org/10.1109/icrera.2012.6477463.

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Shehadeh, H., S. Favuzza, and E. Riva Sanseverino. "Electrostatic synchronous generator model of an Inverter-Based Distributed Generators." In 2015 4th International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2015. http://dx.doi.org/10.1109/icrera.2015.7418537.

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Ghanbari, N., H. Golzari, H. Mokhtari, and M. Poshtan. "Optimum location for operation of small size distributed generators." In 2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2017. http://dx.doi.org/10.1109/icrera.2017.8191283.

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Del Pizzo, A., L. P. Di Noia, D. Lauria, R. Rizzo, and C. Pisani. "Stator current signature analysis for fault diagnosis in permanent magnet synchronous wind generators." In 2015 International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2015. http://dx.doi.org/10.1109/icrera.2015.7418470.

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Vrazic, Mario, Marinko Kovacic, and Zlatko Hanic. "Design of the monitoring system for a synchronous generators in hydro power plant." In 2012 International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2012. http://dx.doi.org/10.1109/icrera.2012.6477417.

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