The designing parameters of high frequency transformer and the protecting IGBT in plasma spraying inverter with high voltage and large current is analyzed in this paper.
分析了等离子喷涂逆变器在高电压大电流条件下，高频变压器参数设计和IGBT保护问题。
The harmonic comes from power system side, which is caused mainly by exciting current of the large capacity transformer besides the nonlinear loads.
认为谐波源来自系统侧，除了非线性负荷外，主要是由大型电力变压器激磁电流所造成。
An active power filter based on harmonic current compensation of the transformer is proposed for high voltage large capacity application.
提出一种新型的基于变压器谐波电流补偿的高压大容量有源电力滤波器。
The torsional deflection of spiral winding for the large power transformer is mostly caused by the common effect of the axial current component and the radial leak magnetic field.
大型电力变压器螺旋线圈的扭转变形主要是由于轴向电流分量和辐向漏磁场共同作用所产生的。
The transformation ratio of the original current transformer (CT) on the transformer HV side was so large that a parameter for the differential protection software exceeded its settable scope.
因变压器高压侧的电流互感器选择变比过大，以致超出差动保护软件的参数设置的范围。
Since the DC current on each side is the same, the effective DC in the transformer core is cancelled, so there is no need to provide for a large DC component.
因为两臂的直流电路相等而方向相反，所以在变压器铁心中有效直流磁通是互相抵消的，所以不再需要巨大的直流元件。
In order to protect transformers of the large generator-transformer unit in power systems, the paper puts forward a kind of new principle of transformer protection based on break-variable of current.
本文针对当前电力系统中大型发变组保护中的变压器保护提出了一种基于电流突变量的保护新方案。
Inrush current identification methods currently being used, can't very well meet the requirements of modern large power transformer protection.
目前应用于实际的励磁涌流识别方法均不能很好地满足现代大型电力变压器保护的要求。
Inrush current identification methods currently being used, can't very well meet the requirements of modern large power transformer protection.
目前应用于实际的励磁涌流识别方法均不能很好地满足现代大型电力变压器保护的要求。
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