negative sequence polyphase system 负序多相系统 negative sequence voltage relay 负序电压继电器 negative temperature coefficient humidity sensitive resistor 负温度系数湿敏电阻器 ..
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An adaptive impedance relay based on negative sequence voltage polarization is proposed, and its operating characteristic is analyzed.
提出了一种基于负序电压极化的自适应接地阻抗继电器方案，并对其动作特性进行了分析。
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