电子式互感器绝对延时测试方法研究

Research on the test method of absolute delay on electronic instrument transformer

对目前智能变电站广泛使用的电子式互感器数据处理延时进行了分析,对比研究了基于同步脉冲电子式互感器校验方法和基于固定延时电子式互感器校验方法,分析了它们的优势和劣势,针对其问题提出了一种新的基于脉冲调制的自触发式电子式互感器绝对延时测试方法,介绍了其原理和方法。

This paper analyzed the data processing delay of widely used electronic instrument transformer in intelligent substation. Studied the calibration methods of electronic instrument transformer based on the synchronization pulse and fixed delay. It analyzed their advantage and disadvantage, aiming at the problems put forward a new self-trigger absolute delay test method of electronic instrument transformer based on pulse modulation, and introduced its principle and method.