摘要
将一个未充电的电容器并联在断路器两端,当电容量为60μF、断路器的气体压力为0.3MPa时,旋弧式SF_6断路器能够开断的直流电流约为360A,燃弧时间约为25ms。增大旋弧灭弧室的磁场强度有可能使开断电流进一步提高。
Use an uncharged capacito r in parallel with a circuit breaker,the capacitance is 60μF,a breaking direct current about 360A and arcing time about 25ms could be achieved with a gas pressure of 0.3MPa by a conventional SF6 rotary arc circuit breaker.Use a high magnetic field,some improvements for DC interrupting performance can be made in this kind of breaker.
出处
《高压电器》
CAS
CSCD
北大核心
1990年第2期3-8,共6页
High Voltage Apparatus
关键词
SF6
断路器
电流性能
实验
SF6 circuit breaker,arc,HVDC circuit breaker
