Mechanisms for insulation recovery during repetitive breakdowns in gas gaps

L Li, J Chen, C Yi, X Xu, G Xu, B Wang - Physics of Plasmas, 2023 - pubs.aip.org
The insulation recovery during repetitive breakdowns in gas gaps is a fundamental scientific
issue in both traditional and emerging electrical technology fields, which has received …

Hybrid MVDC circuit breaker based on enhanced arc voltage of vacuum interrupter

Y Wu, Y Xiao, Y Wu, M Rong… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The hybrid dc circuit breaker (HDCCB) is one of the most promising solutions for the dc
interruption. But the power electronics-based load commutation switch (LCS) in the main …

Combined Effect of the Parameters of Vacuum Interrupter and LC Circuit upon Arc Re-ignition in HVDC Circuit Breakers

T Eliyan, AS Almuflih, ZMS Elbarybary, F Wadie - IEEE Access, 2024 - ieeexplore.ieee.org
The new horizons for HVDC systems and their applications has intensified the research in
HVDC protection systems. The HVDC circuit breakers (CB) has been the center of the …

Conceptional design for a universal HVDC-HVAC vacuum-interrupter-based circuit breaker

F Wadie, T Eliyan - Scientific Reports, 2024 - nature.com
Modern power systems high voltage transmission systems either HVDC or HVAC has
mandated the presence of two types of circuit breakers (CB), HVAC-CB and HVDC-CB. That …

A fuse‐based DC circuit breaker with vacuum interrupter enhanced by an external transverse magnetic field

Y Xiao, Y Wu, Y Wu, F Yang, M Rong, Z Yang - High Voltage, 2024 - Wiley Online Library
Due to the increasing power system capacity, the interruption of large fault currents has
gradually become a major challenge in power systems. At the moment, such currents are …

A Breaker Failure Detection Method Based on Nonlinear Parameter Estimation for Modular Hybrid DC Circuit Breakers

J Gao, H Yuan, A Yang, M Rong… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Modular hybrid dc circuit breakers (DCCBs) have been widely employed to protect
multiterminal high-voltage dc (MT-HVdc) grids. However, breaker failures still pose a …

Study on the influence of mechanism dispersion on transient recovery voltage distribution of modular DC vacuum circuit breakers

C Huang, Y Yin, S Liu, H Du, Z Shan, Y Cao… - High …, 2024 - Wiley Online Library
A simulation analysis and an experiment are carried out to investigate how the gap
difference between the breaks of a direct current vacuum circuit breakers with multi‐breaks …

A new measurement method of contact conditions in a vacuum circuit breaker with the field emission current during the closing operation

Y Geng, J Dong, X Yao, J Ding, C Guan… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The performance of vacuum circuit breakers (VCBs) in the interruption and protection of an
electric power system is highly dependent on the contact conditions; thus, the assessment of …

A fast LVDC vacuum hybrid circuit breaker: Dielectric recovery and design consideration

S Liu, P Hu, D Jiang, Y Liang… - IET Generation …, 2021 - Wiley Online Library
Aiming at the fast protection requirements of electrical ships LVDC distribution system, this
paper studies a topology of unidirectional vacuum hybrid circuit breaker. The hybrid circuit …

复合开关自然换流型混合式直流断路器的研究及测试

甘之正, 余占清, 屈鲁, 黄瑜珑, 曾嵘, 严鑫… - 中国电机工程 …, 2022 - epjournal.csee.org.cn
混合式直流断路器(hybrid DC circuit breaker, HDCCB) 是解决直流开断最有前景的方案之一.
但基于电力电子的负载换流开关(load commutation switch, LCS) 在主通流支路上的导通损耗和 …