Design and experiments of a bidirectional thyristor bridge switch for LC commutation in high-current DC vacuum circuit breaker

Design and experiments of a bidirectional thyristor bridge switch for LC commutation in high-current DC vacuum circuit breaker

In the Quench Protection System (QPS) of superconducting fusion device, high-current DC breaker is an important component. LC commutation circuit provides a negative pulse current to generate zero-crossing point in Vacuum Circuit Breaker (VCB) for DC interruption. In this paper, a bidirectional thyr...

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Bibliographic Details
Main Authors: Meng Xu, Wei Tong, Hua Li, Zhiquan Song, Zhenhan Li, Chao Gao, Peng Fu
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:International Journal of Electrical Power & Energy Systems
Subjects:
DC breaker
Thyristor
Series connected
UGT/IGT
Conducting consistency
Online Access:http://www.sciencedirect.com/science/article/pii/S0142061525002364
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