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A型剩余电流继电器的技术要求与设计 被引量:3

Technical Requirements and Design of A-Type Residual Current Relay
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摘要 介绍了剩余动作电流为A型的剩余电流动作继电器的应用场合、技术要求和试验方法,对A型与AC型剩余电流动作继电器的结构差异进行对比,分析了当剩余电流继电器保护回路的剩余电流中含有直流分量时,AC型剩余电流继电器可能拒动的原因,给出了A型剩余电流动作继电器其铁芯材料选择的技术指标。 Introduction was made to A-type residual current relay's applied field,technical requirements and test measures.The structure of A-type residual current operated relay was compared with that of AC-type residual current operated relay.Analysis was made to the reason of AC-type residual current relay's probable failure to operate when there were DC components in residual currents of residual current relay's protection circuit.This paper presented the technical indicators of transformer core material selection for A-type residual current operated relay.
出处 《电工电气》 2011年第5期59-61,共3页 Electrotechnics Electric
关键词 剩余电流 剩余电流动作继电器 互感器铁芯 磁性材料 residual current residual current operated relay transformer core magnetic material
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