Research on protection block strategy of grounding faults in HVDC converter station

Research on protection block strategy of grounding faults in HVDC converter station

DC grounding fault is a typical fault for HVDC system. In order to obtain smoother, faster, and more secure transient process, the DC protection block strategy is used to remove and isolate the converter to prevent the accident enlargement and reduce the impact on devices and power grid when the gro...

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Bibliographic Details
Main Authors:	Yichen Liu, Xiaoguang Zhu, Junbo Deng, Jie Guo, Fang Yu, Jiangtao Li
Format:	Article
Language:	English
Published:	Wiley 2019-04-01
Series:	The Journal of Engineering
Subjects:	power grids earthing HVDC power transmission HVDC power convertors power transmission protection overvoltage protection power transmission faults rectifiers invertors power system security HVDC converter station DC grounding fault HVDC system secure transient process DC protection block strategy X block hierarchical connection mode S block strategy UHVDC system UHVDC transmission project power grid Changji-Guquan UHVDC grounding faults PSCAD simulation overvoltage rectifier side grounding current inverter side
Online Access:	https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8478

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