EL型电力机车受电弓控制电路的改造

The Reformed Control Circuit for Collector Bow of Electrical Train Type EL

在EL型电力机车的受电弓控制电路中增加了安全升弓装置和安全落弓装置，使受电弓的控制功能得到进一步完善，从而杜绝了由于电弓控制不合理所造成的人身伤亡和设备事故。

A safety lifter device has been added to the control circuit for collector bow of electrical train type EL So that improved the control function of collector bow, as well enable to prevent worker injuries and equipment accident.