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1概述由株洲电力机车工厂和株洲电力机车研究所研制的主型机车SS3型电力机车，采用大功率硅整流管和晶闸管组成的桥式全波整流电路，以及低压倒调压开关和晶闸管相控相结合的级间平滑调压技术，具有恒流限压控制特性；在控制电路中，采用有触点继电控制；在电子电路中使用分立
1 Overview The main locomotive SS3 electric locomotive developed by Zhuzhou Electric Locomotive Works and Zhuzhou Electric Locomotive Research Institute adopts a bridge full-wave rectifier circuit composed of a high-power silicon rectifier and a thyristor as well as a low-voltage reverse voltage-regulating switch and thyristor phase control The combination of the smooth transition between the pressure regulator technology, with constant current limiting pressure control characteristics; in the control circuit, the use of contact relay control; the use of discrete electronic circuits