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Parameter Estimation in photovoltaic systems using a hybrid Bat and crow metaheuristic algorithm. [PDF]
Sci RepAshour Mohameed Almabrouk A +2 more
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Switching Overvoltage Measurements and Simulations—Part I: Field Test Overvoltage Measurements
IEEE Transactions on Power Delivery, 2014This paper presents the work carried out by the IEEE Working Grou[ on field-measured overvoltages and their analysis for validating power system component models to be used in switching transients studies. The work uses measurement data obtained from field tests performed by Bonneville Power Administration in June 1995 where switching overvoltages were
Juan Martinez
exaly +3 more sources
True Breakdown Voltage and Overvoltage Margin of GaN Power HEMTs in Hard Switching
IEEE Electron Device Letters, 2021This work studies the dynamic breakdown voltage (BV) and overvoltage margin of a 650-V-rated commercial GaN power HEMT in hard switching. The dynamic BV measured in the hard switching circuits is over 1.4 kV, being 450 V higher than the static BV ...
Yuhao Zhang +2 more
exaly +2 more sources
IEEE Journal of Emerging and Selected Topics in Power Electronics
Inverter-fed motors are vulnerable to premature insulation failure due to overvoltage stress across stator windings because of antiresonance phenomenon, which is characterized by two oscillatory overvoltage responses that manifest at the motor terminals ...
Mohamed Diab, Xibo Yuan
exaly +2 more sources
Inverter-fed motors are vulnerable to premature insulation failure due to overvoltage stress across stator windings because of antiresonance phenomenon, which is characterized by two oscillatory overvoltage responses that manifest at the motor terminals ...
Mohamed Diab, Xibo Yuan
exaly +2 more sources
IEEE Transactions on Power Delivery, 2020
During the process in which a vacuum circuit breaker (VCB) switches off the shunt reactor (SR), an overvoltage with high amplitude and high frequency (HF) will occur because of current chopping and multireignition. To reproduce this switching overvoltage
Tie Chen, Qing Yang
exaly +2 more sources
During the process in which a vacuum circuit breaker (VCB) switches off the shunt reactor (SR), an overvoltage with high amplitude and high frequency (HF) will occur because of current chopping and multireignition. To reproduce this switching overvoltage
Tie Chen, Qing Yang
exaly +2 more sources
Switching Overvoltage of UHVAC Systems
2017The UHV system is featured by high voltage level and large switching overvoltage amplitude. The increase of the rated voltage and the decrease of the limit standard put forward more rigorous requirements for the limitation measures for the switching overvoltage of the UHV system, and the preventive measures for the EHV system are no longer completely ...
Rongrong Ji, Hao Zhou, Xiujuan Chen
openaire +2 more sources
Vacuum breaker simulation for switching overvoltage study
2016 Electric Power Quality and Supply Reliability (PQ), 2016Overvoltage is one of the most common types of electrical interferences in power supply systems. Significant part of overvoltages is caused by switching off the high inductive load, such as transformers, reactors and electrical machines. This paper is dedicated to vacuum circuit breakers switching off process modeling in Simulink MATLAB for the purpose
Daniil I. Ivanchenko +1 more
openaire +2 more sources
IEEE Transactions on Power Delivery, 2022
The reignition probability of switching overvoltage caused by vacuum circuit breaker (VCB) switching off shunt reactor (SR) in offshore wind farm (OWF) is studied.
Qiuqin Sun +5 more
semanticscholar +1 more source
The reignition probability of switching overvoltage caused by vacuum circuit breaker (VCB) switching off shunt reactor (SR) in offshore wind farm (OWF) is studied.
Qiuqin Sun +5 more
semanticscholar +1 more source
Study on Switching Overvoltage of 500kV Hydropower Station with GIL Outgoing Line
2022 12th International Conference on Power, Energy and Electrical Engineering (CPEEE), 2022Due to the special location of hydropower station, it is often necessary to transfer electric energy to the outdoor switch station through a long gas insulated transmission line (GIL).
Ren Hongtao, Shi Xiaoyan
semanticscholar +1 more source