煤矿主副井行车电控系统变频调速改造

Reform of frequency conversion of electrical apparatus control system to traveling cranes of main and auxiliary shafts of mine

煤矿主副井行车位于井塔的最上层 ,在吊运重物时井架摇晃造成安全隐患。叙述了煤矿主副井行车原运行方式存在的问题 ,提出了变频改造方案及主回路系统图 。

The traveling cranes of main and auxiliary wells are located at the top of the tower in the coal mine .There will be some hidden trouble caused by the rumble-tumble of the rack of the well when we swing up the heavy. The paper introduces formerly questions about operational mod of travelling cranes of main and auxiliary wells, advances the frequency conversion reform,gives the system-map of the main-loop, generalizes the main design characteristic and effect after reform.