配电子系统的建模关键是忽略其内部的暂态过程并作出了网络的等值电路图，因而依此建立的节点电压方程为代数方程。
The key to power distribution system is to ignore transient process in this sub-system and to draw the network equivalent circuit diagram, therefore its node voltage equation is algebraic equation.
定义了单位阻抗功率的新概念，推导了电压幅值随其等值阻抗和单位阻抗功率变化而变化的基本方程序。
A new conception of power per unit impedance is defined and the basic equation to express the variation of load voltage magnitude with the variation of its dynamic equivalent impedance a.
提出了一种暂态电压下分段层式干式变压器线圈的等值电路。
An equivalent circuit of the dry - type transformer with subsection and layer winding applied transient voltage is brought forward.
在探讨可控硅换流阀内暂态过电压分布特点的基础上建立了阀体的嵌套等值电路模型。
An equivalent circuit model of a thyristor valve is established, through detailed study on characteristics of its transient overvoltage distributions.
但是CVT内部等值电容与电抗串联可能产生次谐波谐振，引起过电压，会使CVT损坏。
The subharmonic vibration, however, caused by the series connection of equivalent capacity inside CVT with the reactor may lead to over-voltage which might damage CVT.
用电能计量仪表同时测量电力设备接口处电压信号和电流信号的能量，可以计算出设备的等值阻抗。
A novel measuring method of electric network impedance based on the energy function of port signals is described, and its application in electric power equipment is discussed.
运算放大器的各种误差都可以用等值的电压源或电流源来代替。
Various errors of an operational amplifier can be substituted by equivalent error voltage or current sources.
通过对等值前后保留机组在不同故障下的摆角曲线、母线电压对比，证明了这种方法的有效性。
This method has been used in the equivalence of the Yangcheng Power Plant Transmission System and the results are of satisfying.
通过对等值前后保留机组在不同故障下的摆角曲线、母线电压对比，证明了这种方法的有效性。
This method has been used in the equivalence of the Yangcheng Power Plant Transmission System and the results are of satisfying.
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