Shaoshan type 3 electric locomotive

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2. 1. The car body adopts a frame-type overall load-bearing structure to meet the requirements of lightweight.

2. The bogie adopts unequal wheelbase, flat tie rod traction device and elastic axle box tie rod to transmit traction force, and has good axle load transfer and curve passing performance.

3. The main circuit adopts an unequal three-stage semi-controlled bridge rectifier composed of rectifiers and thyristors, which has stepless acceleration characteristics, smooth starting, and large acceleration.

4. The traction motor is a series pulse flow traction motor. It has electrical compensation for axle load transfer and idling and sliding protection devices to improve locomotive adhesion characteristics.

5. The braking system adopts DK-1 electro-pneumatic brake and is equipped with an air dryer, which greatly improves the air source quality of the air system.

6. The control circuit adopts electronic control, and the electronic control cabinet adopts SMT design and has status detection and fault protection functions.