摘要
介绍新开发的126kV单断口真空断路器产品,分别阐述了提高额定电流的参数;改进SF6气体为高阻燃点的β液;改革分合闸操动机构;改善开断性能;降低涌流电流以及抑制了过电压等技术措施。
The thesis expounds a newly developed 126 single break vacuum circuit breaker featuring in enhancing rated current, improving SF6 gas into so called 13 liquid with high flame retardant point, renovating operating mechanism, optimizing breaking performance, reducing rush current and suppressing overvoltage efficiently.
关键词
126
kv单断口
真空断路器
灌注技术
选相投切
126 single break
vacuum circuit breaker
Injecting technology
operation of phase selection