... main phase ring current 主相环电流 main current relay 主电流继电器 main current control 控制流路 ...
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The uses, operating principle and main requirements of the current transformer for differential relay with high impedance were described.
叙述了高阻差动继电器用电流互感器的用途、工作原理和主要要求。
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模块上移
模块下移
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