为了适应采煤机械化的发展,确保安全供电,沈阳高压开关厂试制了 BPG_2—6型高压真空防爆配电装置。该配电装置采用6KV 真空断路器,遮断容量达到100MVA。但突出的问题是操作过电压高。七十年代引进的英国 SF_6配电装置在几个矿井使用中,也都发现有过电压现象。为了在煤矿推广使 In order to adapt to the development of mining mechanization, to ensure safe power supply, Shenyang High Voltage Switchgear Factory BPG_2-6 high voltage vacuum proof explosion-proof power distribution device. The distribution device using 6KV vacuum circuit breakers, blocking capacity of 100MVA. But the outstanding problem is the high operating voltage. The introduction of the British seventies SF_6 power distribution device in use in several mines, but also found that over-voltage phenomenon. In order to promote the use of coal mines