真空断路器断开空载变压器的过电压限制

Overvoltage Limiting for Vacuum Circuit Breaker when Breaking off Non-loaded Transformer

对真空断路器断开空载变压器的过电压原理进行了阐述 ,对过电压的限制措施进行了分析 ,并详细分析了两种常用的保护装置。

This paper explains principle of overvoltage mechanism of breaking off non-loaded transformer with vacuum circuit breakers. Analyzes measure for overvoltage limiting. The performance of two kind of protective devices common used is analyzed in detail.