transformer action ==> 变压器效应,变压器作用,变压作用 transformer active power ==> 变压器有功功率 transformer amplifier ==> 变压耦合放大器=>変成器结合増幅器 ..
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从电工学基本原理出发，详细讨论了变压器有功功率差动保护原理如何实现的问题。
According to the principle of electrotechnics, how to carry out power differential theory of power transformer is discussed.
在差有功法的基础上，提出一种利用广义瞬时功率实现变压器保护的新原理。
On the basis of power differential method, a novel principle of transformer protection using generalized instantaneous power is presented.
变压器的空载试验中，由于功率因数低，空载电流不是正弦信号，高精度测量其有功功率具有一定的难度。
In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult.
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