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【答案】应助回帖
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hsf_edu: 金币+20, 翻译EPI+1, ★★★★★最佳答案, 非常不错，就是我想要的，非常感谢！ 2015-03-25 11:40:23
运行结果表明，非周期分量方向纵差保护 不受 线路对地电容 的影响，无论 单独作为主保护，或与其他 保护相结合，都能 准确判断电力系统 短路故障，但非周期分量 是一个 暂态量，存在 时间较短，在运用中 需要使用 信号保持器。
The test run results revealed that the directional differential protection of aperiodic components was not affected by the influence of line to ground capacitance. Either as a sole major protection, or as a part of the combined protections, it can always accurately identify the short fault of electric system, however, aperiodic components are transient signals with short existence, therefore a signal maintainer is needed during operation. |
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