...短路参数； 拓扑结构中图分类号：TM52文献标识码：A文章编号：1673-1972（2013）03-0021-03... [gap=3817]Key words：two-port network；short-circuit parameter；topology史源平， 于京生， 蔡文霞， 等： 二端口网络的难点分析及应用23 ...
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Based on the distributed parameter model for transmission line, a new fault location method for short circuit fault of two points on different phases of the power transmission line is presented.
基于高压输电线路的分布参数模型，使用线路两端电压、电流的正序和负序分量，对高压输电线路两点异相故障提出了一种新的测距算法。
Calculated book is the parameter, short-circuit current and protective to worth surely to carry out calculation.
计算书主要是对设计中的参数、短路电流及保护的整定值进行计算。
The system carries out parameter setting by fewer keys, adopts the PWM technique to carry on the charge management of storage battery. The protection measures of overload and short circuit are used.
系统以较少的按键实现了参数设置，采用PWM技术对蓄电池进行充电管理，采取了负载过流、短路保护措施。
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