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Local placing implementation research of distributed HSR busbar protection
Author(s): 
Pages: 104-108
Year: Issue:  6
Journal: Relay

Keyword:  smart substationlocal placeHSR networkdistributed busbar protectionwhole host modefault tolerance;
Abstract: 针对层次化继电保护控制系统中保护装置就地安放的需求,目前集中式母线保护直接就地安放存在功耗过大、回路复杂等问题,提出了基于HSR环网的分布式母线保护就地化实现方案.该方案中,各间隔配置独立的间隔子机,独立采集各个间隔的采样和开关量数据.通过双重冗余HSR环网将子机互联并共享数据,采用全主式设计方案,各子机独立逻辑判断,改进的插值同步技术使得母线保护不依赖于外界对时,同时增加光旁路设计,降低了母线保护运维的复杂性.该母线保护样机成功通过专业机构检测和试运行,验证了该方案的可行性.
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