A Resistor and Reactor Type Capacitor Commutated Hybrid Fault Current Limiter

被引：0
|
作者：
Zhao X. [1 ]
Xu J. [1 ]
Yuan J. [1 ]
Zhao C. [1 ]
机构：
[1] State Key Laboratory of Alternate Electrical Power System With Renewable Energy Sources (North China Electric Power University), Changping District, Beijing
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2019年 / 39卷 / 01期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
DC grid; Fault current limiter (FCL); HVDC; Thyristor;
D O I：
10.13334/j.0258-8013.pcsee.180433
中图分类号：
学科分类号：
摘要：
The traditional DC grid based on half-bridge modular multilevel converter (MMC) has difficulties in fault current clearance on DC side, thus it requires advanced technology of fault detection and dc circuit breakers (DCCB). In this paper, a novel topology of hybrid fault current limiter (hybrid FCL) suitable for current limiting was put forward. The proposed FCL use resistors and current limiting reactors to realize the current limiting process through a H-bridge circuit consisting of thyristors and commutation capacitor. The principle, control method, electrical stress and energy transformation process of the proposed FCL were studied and the FCL was verified in a 4 terminal DC grid. It is shown that the proposed FCL can satisfy the protection demand in HVDC with effective current limiting result and economic efficiency. © 2019 Chin. Soc. for Elec. Eng.
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页码：236 / 244
页数：8
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