常見例句雙語例句It is essential to distinguish excitation inrush from fault current in transformer differential protection.變壓器差動保護的關(guān)鍵問題是判別變壓器差動電流是勵磁湧流還是故障電流。The uses, operating principle and main requirements of the current transformer for differential relay with high impedance were described.敘述了高阻差動繼電器用電流互感器的用途、工作原理和主要要求。This paper introduces theoretical basis and method of measuring transformer differential protection phase by transformer differential circulating current method.介紹了用差壓環(huán)流法測量變壓器差動保護相位的理論依據(jù)及方法。 返回 differential current transformer