... negativephaserelay负相序继电器 negativephasesequenceimpedance负相序阻抗 negativephasesequencereactance负相序电抗 ...
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在典型的六相输电系统中，半正序、半零序和半负序故障分量不受系统阻抗变化的影响。
In typical six-phase transmission system, half positive sequence, half zero sequence and half negative sequence fault components are independent of the variance of system impedance.
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