zero-impedance的意思|示意

This paper presents a novel method for short-circuit current calculation, using zero impedance branch to simulate electrical equipment (such as circuit breaker).

提出了将电气设备(如断路器等)用一条零阻抗支路模拟的短路电流计算方法。

So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequence impedance is directly related to the earth conductivity.

这样就降低了供电可靠性，故找出一种新思路使其能更准确有效地判断故障点具有重要意义。

When measuring the charge on a device such as a capacitor, it's important to disable the zero check of the electrometer first, and then connect the capacitor to the high impedance input terminal.

在测量一个器件，如电容器上的电荷时，重要之点是要首先关闭静电计的零点检查功能，然后再将电容器连到高阻抗输入端。

The earthing method of the metal sheath varies somewhat in different cable lengths, which affects greatly line parameters, especially zero sequence impedance.

对于不同长度的电缆线路其金属护套的接地方式亦不尽相同，从而对电缆线路参数，尤其是对零序阻抗将产生较大的影响。

Its hardware and software are introduced by this dissertation. Some main problem such as testing with zero current, impedance testing, continuous current regulating etc. is the discussed.

本文介绍了它的硬件和软件，并就一些主要问题，如零电流检测、内阻检测及恒流控制等进行了讨论。

The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.

EMTDC仿真试验结果表明该方法可以准确地实现单相故障选线，并验证了文章对输电线路零序输入阻抗相频特性分析的正确性。