Relevant bibliographies by topics / Electric substations Automatic control

Academic literature on the topic 'Electric substations Automatic control'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Electric substations Automatic control"

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Ippolitov, V. A., A. B. Kononenko, A. A. Kosorotov, and O. V. Kryukov. "MONITORING AND NEW FUNCTIONALITY OF SWITCHGEARS OF TRANSFORMER SUBSTATIONS WITH LCD "CASCADE"." Kontrol'. Diagnostika, no. 275 (May 2021): 32–39. http://dx.doi.org/10.14489/td.2021.05.pp.032-039.

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The prospects for the development and implementation of new technologies for expanding the functionality and reliability of complete transformer substations are considered. It is shown that the main component of automation of switchgears of modern electrical substations is the system of automatic input of the reserve, and the main intellectual center of it becomes the controller, which is a specialized unit or system of freely programmable relay devices or programmable logic controllers. A new block diagram of the dispatching and diagnostics system of the digital substation switchgear with an element-by-element description of the functions and main operating modes is presented. A detailed description of the switchgear based on two bus sections, to which the circuit breakers of the outgoing lines are connected, is given. Innovative functions of monitoring and intelligent control of automated systems of various switchgears within the framework of the concept of digital substations are proposed. Examples of new unctions of the CTS “Cascade” system based on HMI controllers using web technologies are given.
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Kotenev, Viktor I., Alexander V. Kotenev, and Alexander D. Stulov. "Automatic control system of the reactive power factor of the power supply system of the industrial enterprise." Vestnik of Samara State Technical University. Technical Sciences Series 29, no. 4 (December 15, 2021): 86–98. http://dx.doi.org/10.14498/tech.2021.4.7.

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Considered is the control of the reactive power factor of the power supply system of an industrial enterprise, which includes: electrical receivers with asynchronous load; workshop transformer substations with and without regulated capacitor units, as well as the main step-down substation with synchronous motors powered from it. It is proposed to consider electrical receivers with capacitor units and a transformer substation as an object of reactive power factor control, on the basis of which the corresponding automatic control system (ACS) is built. An ACS with an algorithm formed as a function of active and reactive power of electrical receivers is considered. The ACS was developed by the reactive power factor of the power supply system of the entire enterprise with shop combined loads. A method is given for calculating the capacity of capacitor units of shop substations. The use of this control system will allow meeting the regulatory requirements for ensuring the limiting values of the reactive power coefficients and thereby reducing losses during the transportation of electricity and increasing the throughput of the electrical network.
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Wang, Chenjie, Lu Yin, Qing Zhao, Wei Wang, Chengyuan Li, and Bin Luo. "An intelligent robot for indoor substation inspection." Industrial Robot: the international journal of robotics research and application 47, no. 5 (August 3, 2020): 705–12. http://dx.doi.org/10.1108/ir-09-2019-0193.

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Purpose To ensure the safety of electric power supply, it is necessary to inspect substation equipment. With the dramatic increase in the number of substations, especially indoor substations, intelligent robot inspection has become an important development direction. This paper aims to describe the design of a trackless robot with a robotic arm, which is capable of navigating autonomously and inspecting the equipment in a narrow and complex indoor substation. Design/methodology/approach A robust four-wheel platform powered by electric motors is used to carry the robot. By fusing multiple-sensor data and visual markers, the robot achieves autonomous movement based on simultaneous localization and mapping. In addition, to accurately obtain the reading of meters located at height or in a narrow space, the robot is equipped with a newly designed visual servo robotic arm. Findings In practical application, the robot satisfies the requirements of substation inspection, improves work efficiency, saves costs and achieves good results. The robot is also approved by the relevant departments of the State Grid Corporation of China. Practical implications After stable operation in a substation for a period of one year, the robot shows high efficiency and stability, meeting the requirements of indoor substation inspection. Meanwhile, the robot greatly promoted the realization of indoor and outdoor integrated substation automatic inspection, and is expected to be further applied in other industrial inspection sites, including mine, tunnel and nuclear power plant. Originality/value Due to the complex indoor environment, most of the existing inspection robots are only used outdoors, and there are no good trackless inspection robots for use indoors. The proposed robot is a trackless intelligent inspection robot for use in indoor substations. The robot features a number of important modules, including an autonomous localization and navigation module and a visual servo manipulator module, which can be used in narrow spaces or at height.
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Chandekar, Roshani. "Automation Supply Control of Substation during Disaster." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (June 14, 2021): 2444–46. http://dx.doi.org/10.22214/ijraset.2021.34819.

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Green and sustainable power is the need of the day. With widening supply and demand gap, power management has become one of the most critical areas of concern all over the world. India’s energy consumption is increasing at one of the fastest rates in the world. Hence, we require Substation Automation Systems in the present day substations to efficiently control and deliver power. The main objective is to create a SCADA system for the desired substation. Power automation serving electric supply locations often require special protection against the effects of fault-produced. Protection relays need to function immediately when a faulty condition occurs. This is why Intelligent Electronic Devices (IED’s) are brought in for safe operation of switchyard devices, which can prevent disasters to energy supply and help in human safety. With the introduction of IEC 61850, utility communication will be used for substation automation and also for protection purposes within a substation and between substations. A Substation Automation System (SAS) provides facility to control and monitor all the equipment in the substation locally as well as remotely. A Supervisory Control & Data Acquisition (SCADA) system provides users with a Human Machine Interface (HMI) which can be used for controlling, monitoring and protection of devices. This saves us cost and time.Substations are key components of the power grid, facilitating the efficient transmission and distribution of electricity Substation automation systems make their control and monitoring possible in real time and help maximize availability, efficiency, reliability, safety and data integration.
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Shatrov, A. F., T. B. Gaitova, N. A. Stushkina, O. V. Leshtayev, and N. A. Sergeeva. "Improving the reliability of power supply facilities in the agro-industrial sector." IOP Conference Series: Earth and Environmental Science 1070, no. 1 (July 1, 2022): 012042. http://dx.doi.org/10.1088/1755-1315/1070/1/012042.

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Abstract This article presents a system for monitoring and diagnosing the performance of operating equipment, in particular power transformers. Since power transformers are the main element of an electrical installation, the reliability of the power supply system depends on their technical state (TS). In our country one of the promising systems for monitoring and diagnostics is Transformer Diagnostics Monitor. The authors have considered the algorithm of this monitoring system and the possibility of its application in digital substations (DSs). Implementation of Transformer Diagnostics Monitor in the automatic control system of a substation prevents electrical equipment from failing, reducing the economic damage from power shortage.
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Ren, Jianxin, Tao Wu, Xiaohua Zhou, Congcong Yang, Jiahui Sun, Mingshuo Li, Huayang Jiang, and Anfeng Zhang. "SLAM, Path Planning Algorithm and Application Research of an Indoor Substation Wheeled Robot Navigation System." Electronics 11, no. 12 (June 9, 2022): 1838. http://dx.doi.org/10.3390/electronics11121838.

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Staff safety is not assured due to the indoor substation’s high environmental risk factor. The Chinese State Grid Corporation has been engaged in the intelligentization of substations and the employment of robots for inspection tasks. The autonomous navigation and positioning system of the mobile chassis is the most important feature of this type of robot, as it allows the robot to perceive the surrounding environment information at the initial position using its own sensors and find a suitable path to move to the target point to complete the task. Automatic navigation is the basis for the intelligentization of indoor substation robots, which is of great significance to the efficient and safe inspection of indoor substations. Based on this, this paper formulates a new navigation system, and builds a chassis simulation environment in the Robot Operating System (ROS). To begin with, we develop a novel hardware and sensor-based chassis navigation system experimental platform. Secondly, to conduct the fusion of the odometer and inertial navigation data, the Extended Kalman Filter (EKF) is used. The map’s creation approach determines how the environmental map is created. The global path is scheduled with the A* algorithm, whereas the local path is scheduled with the Dynamic Window Method (DWA). Finally, the created robot navigation system is applied to an auxiliary operation robot chassis suited for power distribution cabinet switch and the navigation system’s experimental analysis is conducted using this platform, demonstrating the system’s efficacy and practicability.
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Karantaev, Vladimir, and Vladislav Karpenko. "Aspects of the concept of cyber-protected objects of a digital electrical network with elements of Zero Trust Architecture in Russia." E3S Web of Conferences 288 (2021): 01032. http://dx.doi.org/10.1051/e3sconf/202128801032.

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Modern trends in the development of the electric power industry declare the widespread use of information and communication technologies and digital services to improve the operation of relay protection and automation (RPA) subsystems, Industrial Control Systems (ICS), commercial electricity metering systems, etc. However, it is associated with an increase in the number of cyber threats and risks of disrupting the stable functioning of electric power facilities due to destructive information influences. The report presents aspects of a holistic concept of building cyber-protected digital substations with elements of Zero Trust Architecture. Based on the results of the theoretical investigation the authors assume the possibility of technical testing of the proposed approaches to build a cyber-protected digital substation as a part of the emerging Research and Development (R&D) programs for the practical implementation of the zero-trust policy.
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Astashev, Mikhail G., Artem S. Vanin, Vladimir M. Korolev, Dmitriy I. Panfilov, Pavel A. Rashitov, and Vladimir N. Tulskii. "Assessment of the Technical and Economic Effect from Using Automatic Voltage Control Devices on 10/0.4 kV Transformers in Power Distribution Networks." Vestnik MEI, no. 5 (2021): 27–36. http://dx.doi.org/10.24160/1993-6982-2021-5-27-36.

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The article addresses the problem of ensuring permissible voltage levels in distribution electrical networks of various types: distribution networks of large cities, regional distribution electrical networks, and distribution electrical networks containing renewable energy sources. The most typical factors causing the voltage to go beyond the permissible limits specified by the relevant regulatory documents are pointed out. The negative factors conducive to the voltage at the consumer end deviating from the permissible limits, including a long length of network lines, high network load, low controllability of the network, load schedule nonuniformity, and poor observability of the network, are analyzed. The existing principles of voltage control in electrical distribution networks, namely, automatic and seasonal regulation, are studied. A distribution electrical network test model representing a real network fragment is developed. The model operation modes have been verified based on the data of measurements carried out in the original distribution electrical network. The voltage distributions in a medium voltage network during its operation under the conditions of the highest and lowest loads are demonstrated. It is shown, on the test model example, how the network voltage can be controlled by automatically regulating the voltage at the power supply center and selecting a fixed position of the NLTC at 10/0.4 kV transformer substations. It is shown that the use of power transformer OLTCs does not ensure sufficient means for adequately controlling the voltage in networks containing long power lines and featuring highly nonuniform seasonal and daily load schedules. The technical efficiency and economic feasibility of using automatic voltage regulation devices on 10/0.4 kV transformers for local voltage control are analyzed. The economic efficiency of applying automatic voltage regulation devices at 6--10/0.4 kV substations was evaluated in comparison with other means for improving the power distribution network voltage quality by upgrading the 10 kV feeder lines or installing a voltage booster at the inlet to the problematic 10 kV network section. The application field of automatic voltage regulators in the form of semiconductor devices for regulating the transformer output voltage at distribution transformer substations is shown.
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Pinto de Sa, J. L., and R. Cartaxo. "Implementing Substations Automatic Control Functions Designed With Petri Nets on IEC 61850." IEEE Transactions on Power Delivery 26, no. 2 (April 2011): 1119–27. http://dx.doi.org/10.1109/tpwrd.2010.2090952.

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Tryapkin, Evgeny, Ivan Ignatenko, and Maxim Keino. "Development of “digital substation” technology for power supply of railways." MATEC Web of Conferences 239 (2018): 01051. http://dx.doi.org/10.1051/matecconf/201823901051.

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The paper considers the application of the “Digital Railway” project at the traction substation. The “Digital Railway” project should become a centralized system uniting the programs for the control of railway elements. In the traction power supply system, the application of digital technologies is often understood as the application of data transfer protocols of the International Energy Commission “IEC 61850”. The substations that switched to this information protocol are usually called “digital”. An attempt to introduce the “digital substation” technology only by completing a set of corresponding equipment can give a negative result of its application. The efficiency achieved through the technical upgrading of equipment (reduction of losses for own needs, reduction of electromagnetic influence, reduction of analog signal input channels, reduction in the number of cable products used, and improvement of the measurement accuracy class) may not be sufficient to pay for the project. The qualitative integration of all involved services in a single information process of monitoring and controlling the digital substation will increase the efficiency of its application. As a positive experience when considering the use of digital technologies in traction power supply systems, one can cite the Automated system for monitoring the railway transport infrastructure developed and implemented by the staff of the Far Eastern State Transport University at a number of traction substations of the Far Eastern operating domain and at the 2ES5K “Ermak” electric locomotive. In addition, this system already has a support of IEC 61850 protocols.
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Dissertations / Theses on the topic "Electric substations Automatic control"

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Ratshitanga, Mukovhe. "Investigation and design of an integrated monitoring, protection, and control system of a power reticulation network." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2710.

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Thesis (Master of Engineering in Electrical Engineering))--Cape Peninsula University of Technology, 2018.
As far as substation automation systems are concerned, one of the prime requirements of most utilities today is the interoperability between Intelligent Electronic Devices (IEDs) of different manufacturers. The standard IEC 61850 - Communication Networks and Systems in Substations - allows such interoperability between IEDs for protection and automation of substations. Presently, many manufacturers have implemented, or are in the process of implementing this standard in their IEDs. This has encouraged some utilities to specify IEC is to ensure that both system requirements are met and the features and benefits of the standard are fully exploited. The author of this thesis investigated and brought forward the design of an integrated monitoring protection and control system of a network in Cape Peninsula University of Technology (CPUT) campus based of the IEC 61850 standard. A method of testing the physical IED based on Hardware-In-Loop (HIL) configuration with the Real-Time Digital Simulator (RTDS) is developed and implemented. Mapping of IED Substation Configuration Language (SCL) with that of the RTDS GTNET cards is discussed and implemented to further exploit the use of realtime testing with Generic Object Oriented Substation Event messages (GOOSE). The thesis highlight the benefits of interconnecting the reticulation IEDs into a standardised communication network for protection, control and monitoring of each substation event. This improves the access to information and reduces maintenance cost on the reticulation network.
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Ghasemzadeh, H. R. "The power supply and automatic control of a mains electric tractor." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383690.

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Dillon, Brandon James. "The `Electric' Pascal: Absolute and Dynamic Calibration Techniques." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23929.

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This article describes a pressure generation technique that has been applied to the task of calibrating hydraulic pressure transducers. The technique combines principles given by the Lorentz Force and Faraday's Law of Induction to generate a hydrostatic pressure within a cavity. The time history of this pressure is given by the device without reliance on a reference transducer or knowledge of: the local gravity; thermodynamic properties of the working fluid; or acceleration of the cavity. In this way, the Pascal can be defined by reference only to the standards of the Amp, the Volt, the Meter, and -- in the case of time varying pressure -- the Second. Using this technique, a prototype device has been developed using commonly available tooling and can generate pressures in the range of 0.1 to 600 Pa with relative errors of 1.5%.
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Wan, Yan. "New paradigms for design and control of dynamical networks." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Dissertations/Spring2009/y_wan_022509.pdf.

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Thesis (Ph. D.)--Washington State University, May 2009.
Title from PDF title page (viewed on Apr. 2, 2009). "School of Electrical Engineering & Computer Science." Includes bibliographical references (p. 433-454).
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Zare, Abbas. "Implementation of Embedded Control System for Electric Drives based on Automatic Code Generation." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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This project focuses on an improved methodology for embedded software development. MATLAB and Simulink allow the user to simplify control algorithm development for specific applications and load the implemented algorithms into the embedded target. MATLAB allows constructing the control algorithms and its interface to different Digital Signal Processor (DSP) modules, such as A/D or D/A conversions and ePWM, as a block scheme in Simulink library. For example, Texas Instrument (TI) Company in collaboration with MATLAB allows the user to create a link between different DSPs of the TI and MATLAB software via the Simulink environment in order to generate automatically embedded C code adopted for different embedded targets. The concepts of rapid prototyping and digital control technique in this project are realized based on using the Piccolo TMSF28035 TI C2000 MCU in conjunction with the Matlab/Simulink software based on an Integrated Development Environment (IDE) such as Code Composer Studio. Matlab/Simulink environment is used for the design, optimization, and off-line simulations of the model and power electronic circuits. The Real-Time Workshop converts the Simulink model to C or C++ programming code. Subsequently, the executable C code is automatically compiled to the assembly language for the TI C2000 MCUs, assembled, link-edited, and downloaded. For the closed-loop controller, digital PI control is implemented and the values of the PI are defined by the pole placement method. Once the control scheme is built in Simulink, by automatic code generation capability of the MATLAB, the algorithm model is loaded into the DSP and runs the generated program.
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Abrahams, Leon Gary. "Computerised speed monitoring system for nylon spinning." Thesis, Peninsula Technikon, 1996. http://hdl.handle.net/20.500.11838/1123.

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Thesis (MTech (Electrical Engineering))--Peninsula Technikon, Cape Town,1996
The Southern Nylon Spinning plant, at South African Nylon Spinners in Bellville - Cape Town - South Africa, is one of the oldest on the site and a need arose to upgrade the existing method used in speed monitoring in this particular plant. This system was unable to produce alarms on speed limits being exceeded (i.e. on under-speed or over-speed). There was no alarm logging or historical trending. Manual records on speed were either incomplete or non-existent. Thus the purpose of this study was to investigate the existing speed monitoring system and implement a suitable computerised method of speed monitoring.
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Falkner, Catherine M. "Robust output feedback controllers for power system stabilization." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/14802.

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Miller, Joel Christopher. "Modulating dynamic stiffness of a direct-drive brushless linear DC motor." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/16103.

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Boukas, Theocharis K. "Exact feedback linearization with state derivative feedback for high-performance field-oriented induction motor speed/position control." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/14890.

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Tshemese, Nomzamo. "Design and PLC implementation of nonlinear PID cControllers for control of nonlinear processes." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/1180.

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Thesis submitted in fulfillment of the requirements for the degree Master of Technology: Electrical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology 2014
A new control strategy for control of the nonlinear process of Dissolved Oxygen (DO) concentration in the aerobic tank of wastewater treatment process is proposed. It provides means to improve the performance of the Linear Proportional Integration and Derivative (LPID) controller by extending it to a Nonlinear Proportional Integration and Derivative (NLPID) controller. The aim of the thesis is to develop methods, algorithms and software for design, simulation, and programmable logic controller (PLC) implementation of NLPID controllers in order to control the nonlinear process of dissolved oxygen. The thesis investigates the possibilities the widely used in theory and industry methods for the design of the LPID controllers for linear processes as Ziegler- Nichols and Pole Placement, to be applied to the design of NLPID controllers for the nonlinear process of DO concentration. Three cases are considered: Case 1: Application of the values of the parameters the linear PID controller designed by the Ziegler-Niched method for the linearized DO process model to be used as parameters of the nonlinear PID controllers to control the DO nonlinear process. Case 2: Application of the values of the parameters of the linear PID controller designed by the Pole placement method for the linearized DO process model, to be used as parameters of the nonlinear PID controller to control the nonlinear DO process. Case 3: Novel, proposed in the thesis, method based on the Pole placement method for direct design of the parameters of the linear and nonlinear PID controllers to control the nonlinear DO process. Software is developed to simulate in MATLAB environment the behavior of the closed loop DO process for the considered cases of controller designs. The results of the simulations show that in the Case1 and the Case 2 it is not possible to use the values of the LPID controller parameters designed for the linearized DO process, directly to control the nonlinear process by the NPID controllers. Additional tuning for some of the parameters is needed. The simulation in the Case 3 shows the excellent behaviors of the closed loop system for all linear and nonlinear PID controllers which prove that the new method is effective and applicable. Real-time simulations of the closed loop system are done in a TwinCAT 3 simulation environment of the Bechkoff EX5020 PLC. The deliverables of the thesis are applicable to many type nonlinear processes in chemical, manufacturing, and other industries.
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Books on the topic "Electric substations Automatic control"

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Substation automation systems: Design and implementation. Chichester, West Sussex, United Kingdom: John Wiley & Sons, Ltd, 2016.

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Electric motor control. 5th ed. Albany, N.Y: Delmar Publishers, 1993.

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Electric motor control. 4th ed. [Albany, N.Y.]: Delmar Publishers, 1988.

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L, Herman Stephen, ed. Electric motor control. 6th ed. Albany: Delmar Publishers, 1998.

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Takashi, Hiyama, ed. Intelligent automatic generation control. Boca Raton: Taylor & Francis, 2011.

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Electric motors & control techniques. 2nd ed. New York: TAB Books, 1994.

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Harwood, Paisley Beach. Harwood's control of electric motors. 4th ed. Malabar, Fla: R.E. Krieger Pub. Co., 1987.

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Leonhard, Werner. Control of electrical drives. 2nd ed. Berlin: Springer-Verlag, 1996.

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Leonhard, Werner. Control of electrical drives. Berlin: Springer-Verlag, 1985.

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Control of electrical drives. 3rd ed. Berlin: Springer, 2001.

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Book chapters on the topic "Electric substations Automatic control"

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Finn, John. "Substation Control and Automatic Switching." In Substations, 775–95. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-49574-3_33.

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Walters, R. B. "Automatic Looping." In Hydraulic and Electric-Hydraulic Control Systems, 285–86. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9427-1_38.

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Mattioli, Leandro, Alexandre Cardoso, Edgard A. Lamounier, and Paulo do Prado. "Semi-automatic Generation of Virtual Reality Environments for Electric Power Substations." In New Contributions in Information Systems and Technologies, 833–42. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16486-1_83.

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Shi, Lichun, and Haimei Xiao. "The Study of Substation Automation Remote Communication for Multi-granularity Access Control System." In Lecture Notes in Electrical Engineering, 473–79. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27296-7_73.

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Vrakopoulou, Maria, Peyman Mohajerin Esfahani, Kostas Margellos, John Lygeros, and Göran Andersson. "Cyber-Attacks in the Automatic Generation Control." In Cyber Physical Systems Approach to Smart Electric Power Grid, 303–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45928-7_11.

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Maga, D., J. Sitár, and P. Bauer. "Automatic Control, Design and Results of Distance Power Electric Laboratories." In Recent Advances in Mechatronics, 281–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-05022-0_48.

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Suzuki, Satoshi. "Control Scheme for Automatic Takeoff and Landing of Small Electric Helicopter." In Intelligent Systems, Control and Automation: Science and Engineering, 73–83. Tokyo: Springer Japan, 2013. http://dx.doi.org/10.1007/978-4-431-54276-6_5.

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Chablat, Damien, Riccardo Mattacchione, and Erika Ottaviano. "Design of a Robot for the Automatic Charging of an Electric Car." In ROMANSY 24 - Robot Design, Dynamics and Control, 311–21. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06409-8_33.

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Saushev, A. V., P. V. Adamovich, and O. V. Shergina. "Improving the Parametric Reliability of Automatic Control Systems in Electric Drives." In Lecture Notes in Electrical Engineering, 1062–70. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39225-3_112.

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Xiaoming, Chang, Zhang Xiaolin, and Huang Zhengjing. "Design of a Multichannel Reconnaissance Receiver Based on Electric Tuning Filter." In 2011 International Conference in Electrics, Communication and Automatic Control Proceedings, 749–53. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8849-2_94.

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Conference papers on the topic "Electric substations Automatic control"

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Shouyu, Liang, Fang Wenchong, Gu Libin, Zhu Wen, Zhang Lei, Tang Yixuan, and Li Yonggang. "Automatic Panorama Generating of substations with Primary and Secondary Equipment." In 2019 IEEE 3rd Advanced Information Management, Communicates, Electronic and Automation Control Conference (IMCEC). IEEE, 2019. http://dx.doi.org/10.1109/imcec46724.2019.8984111.

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Parra, Pablo, David Cardenas, Nino Vega, Esteban Valencia, and Ervin Solano. "Feeder Configuration and Coordination of Protections for an Electric Substation." In 2018 IEEE International Conference on Automation/XXIII Congress of the Chilean Association of Automatic Control (ICA-ACCA). IEEE, 2018. http://dx.doi.org/10.1109/ica-acca.2018.8609758.

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Burbelo, Michailo Josephovich, Yurii Vasylovych Loboda, and Ruslan Oleksandrovych Slobodian. "Algorithm for determining the places of installation of reclosers in branched distribution electric networks." In 16th IC Measurement and Control in Complex Systems. Vinnytsia: VNTU, 2022. http://dx.doi.org/10.31649/mccs2022.19.

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Air line 10 kV overhead lines are made, as a rule, according to a radial scheme with aluminum non-insulated wires on reinforced concrete supports with an average length of 15 km and in some cases can reach 40 km (data according to Khmelnytskyi REM). In these networks, devices of automatic sectioning and redundancy are practically not used, which leads to the disconnection of all consumers that are powered by these PLs in the event of emergency situations. For example, Air line 10 kV F-5 of the Khmelnytsky REM with a length of 23 km, the estimated value of SAIDI is 714 minutes, and according to the resolution of the ccording to the Resolution of the National Commission for Regulation of Public Utilities №1175, the value of the SAIDI indicator for rural networks should not exceed 300 minutes. Reclosers are used to increase the reliability of the power supply. The use of reclosers makes it possible to reduce the number of de-energized consumers in the event of short circuits by sectioning the overhead power line and the possibility of reserving it from another substation for the period of repair work on damaged sections of the substation. Some distribution system operators follow the path of replacing line disconnectors that switch on-site teams, but this approach does not always correspond to the optimal placement of reclosers to ensure the maximum effect of improving reliability indicators, in particular, when using short-circuit indicators. A method of determining the optimal location of reclosers in distribution electrical networks, taking into account the installation of short-circuit indicators, is proposed, which will provide the greatest effect of improving the reliability of power supply. This method is based on the use of a matrix of paths, which makes it possible to automate the calculation of the SAIDI indicator depending on the location of the recloser and the number of short-circuit indicators.
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Prieto, A., I. Rodriguez, J. Rodas, E. Paiva, R. Gregor, E. Chaparro, and E. Prieto-Araujo. "Image Processing Technique Applied to Electrical Substations Based on Drones With Thermal Vision for Predictive Maintenance." In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). IEEE, 2022. http://dx.doi.org/10.1109/ica-acca56767.2022.10006138.

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Stell, R. W. Benjamin. "A Review of Current Standards and Codes for Maximum Permissible Rail Voltage Rise on Direct Current Traction Power Systems." In 2011 Joint Rail Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/jrc2011-56121.

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The negative return portion of a modern direct current (dc) traction power system, which includes the tracks (the running rails), is normally isolated from earth to the maximum extent practical. The purpose of this isolation is to prevent stray dc currents from flowing through the earth and potentially causing corrosion of nearby metallic infrastructure. The isolation of the tracks from the earth is not perfect. Each track tie and insulated rail fastener assembly can be electrically represented as a resistor of high ohmic value connected between the rails and the earth. With many of these resistors in parallel over miles of track, a distributed “leakage resistance” is established between the rails and earth. For modern dc traction power systems in particular, however, this resistance is high enough for the rails to be considered essentially ungrounded with respect to local electrical ground (earth). The lack of an intentional connection between the tracks and earth allows voltage differences to occur along the rails, and between the rails and nearby structures. These voltage differences are caused by the flow of current through the running rails back to the substations. Since the shells of rail vehicles are typically at the same voltage as the wheels and rails, this voltage difference could be impressed on a passenger entering or exiting a train from a grounded platform. Or they could be impressed on a person walking along the tracks. In the USA, these voltage differences have generally been limited through system design; North American standards for substation grounding are referenced for design purposes, in particular IEEE Standard 80, Guide for Safety in Substation Grounding. In Europe, a standard has been developed specifically to address control of voltages between rails and structures, BS EN 50122-1 (IEC 62128-1), Railway Applications – Fixed Installations – Part 1: Protective Provisions Relating to Electrical Safety and Earthing. Voltage-limiting equipment that can be installed in passenger stations and other accessible locations has been developed in response to the requirements of EN 50122-1. These devices quickly connect the running rails to the station structure to eliminate unsafe voltage differences. If an earth fault occurs (broken catenary conductor falling on the ground, for example), there may not be a low-resistance circuit back to the substation due to the electrical isolation between running rails and earth ground. Without a low-resistance path back to the substation, there may be a resulting low-level short circuit current flow insufficient to operate the substation protective systems. As a result, the area in the vicinity of the fault may potentially be elevated to unsafe voltage levels. Equipment intended to detect this condition and connect the substation negative dc bus to the substation grounding grid is gradually being incorporated into modern North American dc traction power substation design. These devices are known by several names such as “substation grounding contactors”, “automatic grounding switches”, and “negative grounding devices”. Devices built to comply with EN 50122-1 are termed “Voltage Limiting Devices”. EN 50122-1 includes voltage-time curves that dictate the maximum permissible magnitudes and durations for ac and dc voltages; equipment built to EN 50122-1 must clamp the highest voltages in no more than 20 milliseconds. This paper will review current American and European standards and codes for maximum permissible rail voltage on direct current traction power systems. The maximum permissible voltage levels will be explained and compared. The principles of negative grounding device operation and corresponding voltage settings will also be discussed.
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Tournier, Jean-Charles, and Xiao Yin. "Improving reliability of IEEE1588 in electric substation automation." In 2008 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication (ISPCS). IEEE, 2008. http://dx.doi.org/10.1109/ispcs.2008.4659215.

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Yang, Qing, Hui Ren, Guoqing Zhao, and Haidong Zhang. "Automatic Configuration Method of Smart Substation Process Layer Network." In 2017 2nd International Conference on Electrical, Control and Automation Engineering (ECAE 2017). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/ecae-17.2018.14.

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Heyuan, Huang, and Huang Yanwei. "Research on calculation of electric field within substations using CSM." In 2015 27th Chinese Control and Decision Conference (CCDC). IEEE, 2015. http://dx.doi.org/10.1109/ccdc.2015.7162769.

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Mu, Ka, Guangwei Liu, Zhen Hao, Xinsheng Ma, Han Qin, Jixian Ma, and Zheng Niu. "An Automatic Acquisition Method of Detection Data for Substation Equipment." In 2021 IEEE 4th Advanced Information Management, Communicates, Electronic and Automation Control Conference (IMCEC). IEEE, 2021. http://dx.doi.org/10.1109/imcec51613.2021.9482031.

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Zhao, Binchao, Chao Yang, Yongbo Wang, and Hong Wang. "Functions and implementation of substation-area backup protection in smart substation." In 2017 IEEE 2nd Information Technology, Networking, Electronic and Automation Control Conference (ITNEC). IEEE, 2017. http://dx.doi.org/10.1109/itnec.2017.8284940.

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Reports on the topic "Electric substations Automatic control"

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Daryanian, B., R. D. Tabors, and R. E. Bohn. Automatic control of electric thermal storage (heat) under real-time pricing. Final report. Office of Scientific and Technical Information (OSTI), January 1995. http://dx.doi.org/10.2172/26391.

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Modlo, Yevhenii O., Serhiy O. Semerikov, Ruslan P. Shajda, Stanislav T. Tolmachev, and Oksana M. Markova. Methods of using mobile Internet devices in the formation of the general professional component of bachelor in electromechanics competency in modeling of technical objects. [б. в.], July 2020. http://dx.doi.org/10.31812/123456789/3878.

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The article describes the components of methods of using mobile Internet devices in the formation of the general professional component of bachelor in electromechanics competency in modeling of technical objects: using various methods of representing models; solving professional problems using ICT; competence in electric machines and critical thinking. On the content of learning academic disciplines “Higher mathematics”, “Automatic control theory”, “Modeling of electromechanical systems”, “Electrical machines” features of use are disclosed for Scilab, SageCell, Google Sheets, Xcos on Cloud in the formation of the general professional component of bachelor in electromechanics competency in modeling of technical objects. It is concluded that it is advisable to use the following software for mobile Internet devices: a cloud-based spreadsheets as modeling tools (including neural networks), a visual modeling systems as a means of structural modeling of technical objects; a mobile computer mathematical system used at all stages of modeling; a mobile communication tools for organizing joint modeling activities.
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