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潘洛铁矿混合主井采用2JK2.5-20型提升机,交流绕线式串电阻调速。经过多年的运行,TKD电控系统各器件参数发生了变化,整定有一定的难度。2004年初电控系统改造为PLC数字控制与低频
Pan Luo iron ore main shaft with 2JK2.5-20 type hoist, AC winding-type string resistance speed. After years of operation, TKD electronic control system parameters of various devices have changed, setting a certain degree of difficulty. Early 2004 electronic control system for the PLC digital control and low frequency