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.
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。
Taking a specific circuit as a example, this paper describes a new method for calculating the equivalent resistance of single port network, a method of externally connecting resistors.
以具体电路为例，介绍一种求单口网络等效电阻的新方法，即外接电阻法。
Adopting the equivalent capacitance multiplicative circuit, design an internal-compensation network applied in peak-current step-up PWM converter with the compensation principle.
根据补偿原则，采用电容等效乘法电路，设计了一种应用于峰值电流升压型PWM变换器的内部补偿网络。
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