Results 11 to 20 of about 3,691 (249)

Power operation region modeling and transient overvoltage suppression strategy of hybrid cascaded HVDC

International Journal of Electrical Power & Energy Systems
The hybrid cascaded HVDC system(HC-HVDC) in sending end system is composed of an Line Commutated Converter(LCC) connected in series with a parallel group of Modular Multilevel Converters (MMC).
Jiangshan Liu, Fengting Li, Chunya Yin, Ruikang Chen, Lu Han, Yingping Shi   +5 more
doaj   +4 more sources

Study on Overvoltage Rise Rate Suppression Method for DC Interruption

Journal of Physics: Conference Series, 2022
Abstract DC circuit breaker is the key equipment for control and protection in the medium and high voltage DC system. Mechanical DC circuit breakers have transient overvoltage in breaking, which may lead to re-breakdown of the breaker or even breaking failure in severe cases.
Chen Long, Yifei Wu, Yang Yang, Zhaomin Yao, Yu Xiao, Qiong Kang, Feng Zhang, Chuangchuang Tao   +7 more
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Reactive power sensitivity-based novel overvoltage suppression strategy for parallel VSC-and-LCC-HVDC transmission system

International Journal of Electrical Power & Energy Systems
The rapid deployment of both line-commutated converter-based high-voltage direct current (LCC-HVDC) and voltage source converter-based high-voltage direct current (VSC-HVDC) does not only prolificate AC/DC grid coupling but also form new DC transmission ...
Yi Hao, Lujie Yu, Chuanjie Nie, Fengdi Li, Heyu Luo   +4 more
doaj   +2 more sources

Research on overvoltage suppression of interrupting no load transformer

Journal of Engineering Science and Technology Review, 2013
Zhang Shuhao, Xiong Xinheng
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Transient AC Overvoltage Suppression Orientated Reactive Power Control of the Wind Turbine in the LCC-HVDC Sending Grid

CES Transactions on Electrical Machines and Systems
High-voltage direct current (HVDC) transmission is a crucial way to solve the reverse distribution of clean energy and loads. The line commutated converter-based HVDC (LCC-HVDC) has become a vital structure for HVDC due to its high technological maturity
Bo Pang, Xiao Jin, Quanwang Zhang, Yi Tang, Kai Liao, Jianwei Yang, Zhengyou He   +6 more
doaj   +2 more sources

Study on Overvoltage Suppression by Phase-Selection on 220V Voltage [PDF]

Proceedings of the 2016 2nd International Conference on Materials Engineering and Information Technology Applications (MEITA 2016), 2017
Yifei Liu
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Flexible neutral point displacement overvoltage suppression method based on backstepping control in unbalanced distribution networks

International Journal of Electrical Power and Energy Systems, 2023
Ze‐Yin Zheng, Jianfeng Xu, Bin-Long Zhang, Hui Wang, Mou‐Fa Guo, Shuyue Lin   +5 more
openalex   +4 more sources

Study on the Simulation of the EMU Body Operating Main Breaker Overvoltage and High-Voltage Side Suppression Method Based on the 3D Structure [PDF]

Electronics (Switzerland), 2023
Lei Liu, Jianqiong Zhang, Qingfeng Wang, Xiangqiang Li, Xianfeng Tang, Qi Qin   +5 more
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A Review of Research Progress in Very Fast Transient Overvoltage (VFTO) Suppression Technology [PDF]

Energies
The very fast transient overvoltage (VFTO) is characterized by steep wavefronts, high amplitude, and wide spectrum. These characteristics can lead to partial discharges or insulation breakdowns in potted insulators, which can lead to localized ...
Huan Wang, Yinglong Diao, Xixiu Wu, Bolun Du   +3 more
doaj   +2 more sources

Coordinated Optimization of Multiple Reactive Power Sources for Transient Overvoltage Suppression for New Energy Sending-Out System [PDF]

Inventions
With the implementation of China’s “dual carbon” strategy, the installed capacity of new energy has grown rapidly. Wind power and photovoltaic power have accounted for more than 40%, but the integration of power electronic apparatus into the grid has ...
Qinglei Zhang, Lei Luo, Xiaoping Wang, Dehai Zhang, Haibo Li, Zongxiang Lu, Ying Qiao   +6 more
doaj   +2 more sources