a novel scheme based on the sine degree is proposed, for distinguishing between transformer magnetizing inrush current and power system fault currents.
提出了一种新的进化策略,并用于多波形信号发生仪中正弦波形逼近的优化设计。
it is the existent of magnetizing inrush current in transformer that differs transformer differential protection from differential protection of other main equipments and transmission lines.
由于变压器励磁涌流的存在,使得变压器差动保护有别于其他主设备及线路的差动保护。
in chapter six, two novel methods of distinguishing magnetizing inrush current have been studied.
第六章研究了两种鑒别变压器励磁涌流的新方法。
after analyzing the phenomenon of magnetizing inrush current and theory limitations of differential protection.
本文分析了变压器的励磁涌流现象以及变压器差动保护还存在的理论缺陷。
so distinguishing between magnetizing inrush current and fault current correctly is the key to ensure transformer differential relay to operate credibly.
因此,正确识别励磁涌流是保证变压器差动保护可靠运行的关键。