正序、负序、零序的出现是为了分析在系统电压、电流出现不对称现象时，把三相的不对称分量分解成对称分量（正、负序）及同向的零序分量。
... 负序电压 negative sequence voltage ; negative phase sequence voltage 负序电压继电器 KVN FYJ 负电压变化 Minus Delta Voltage ...
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... xero phase sequence voltage 零序电压 negative phase sequence voltage 负序电压 ; 负相序电压 Phase of Voltage 显示指定电线的电压值的相位 ...
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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。
An adaptive impedance relay based on negative sequence voltage polarization is proposed, and its operating characteristic is analyzed.
计算分析结果表明，该方法能够有效抑制由线路参数不对称产生的负序电流和电压。
The results from calculation and simulation show that the proposed method can effectively restrain the negative sequence voltage and current caused by unbalanced parameters of transmission line.
本装置配有过流保护、负序电流保护、零序电路保护、起动时间过长保护、低电压保护。
Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.
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