单片机发电机内部短路保护中CT和PT断线的判别与处理

The Detection and Treatment of CT or PT Wire Break on Single Chip Microcomputer Based Generator Protection against Internal Short Circuit Fault

本文提出了一种有效的单片机发电机内部短路保护中电流互感器CT和电压互感器PT的断线判别方法。文中简述了本方案的软件柜图和方案要点。

This article presents a new method to detect CT and PT wire break. This method can be used on generator micrcomputer based relay protection device against internal short circuit fault. The main points of this plan and software frame are introduced in detail.