利用计算机辅助测量设备测量接地阻抗的方法

A method on measuring earthed impedance using the computer as assistant equipment

接地阻抗的测量是电气设备与系统中一个非常重要的问题。介绍了一种采用计算机辅助测量设备的接地阻抗的方法 ,叙述了该方法的原理及硬件通道。通过分析证明了这种方法不但能够克服传统的电压降测量法的种种弊端 。

Measuring earthed impedance is a all-important question in the electric equipment and system.The paper introduces a method using the computer as assistant equipment to measure earthed impedance.It depicts the principle and hardware channel of the method.Not only the method can overcome variety shortcomings of the conventional measuring method,but also measure earthed voltage and impedance accurately.