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Simulation of frequency adaptability for AC protective equipment in islanding mode of HVDC operation
Author(s): CAI Haiqing, HUANG Libin, GUO Qi, LI Shuyong, HAN Weiqiang, ZHANG Yong, GUAN Hongbing
Pages: 169-
174
Year: 2016
Issue:
3
Journal: Electric Power Automation Equipment
Keyword: HVDC islanding operation; AC protection; frequency adaptability; computer simulation;
Abstract: 频率适应性是交流保护装置适应直流孤岛方式运行的重要特性,对直流孤岛稳定运行起到了重要作用.建立直流孤岛运行系统RTDS仿真模型,并将其与实际控制保护装置连接组成闭环实时仿真试验系统.通过设置多种试验项目,开展不同种类交流保护装置频率适应性试验研究,发现了直流孤岛运行方式下交流保护装置误动或拒动缺陷,为交流保护装置适应直流孤岛运行提供了重要的参考依据.
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