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苏联克罗勉古比雪夫机车厂制造了两台试验型六轴4400kW(6000HP)的TЭП75型客运内燃机车,车上装有向旅客列车集中供电的设备。机车装有4400kW20чH26/26四冲程V形柴油机,额定轴速18.3S~(-1)(约1200r一译注),机车采用交-直流电传动。供电系统为单线制,额定电压为3000±600V直流(整流后),额定功率810kW。由于在T31-175型内燃机车上装用直流供电系统在苏联还是第一次,因此就有必要研究这个系统的电气性能和供电系统对信号集中闭塞(CЦБ)线路设备可能产生的影响。
The Soviet Union Crometu-Kuibishev Locomotive Works has manufactured two pilot-operated TÜП 75 passenger diesel locomotives with a 4400kW (6000HP) six-axle test vehicle equipped with centralized power supply to passenger trains. Locomotive equipped with 4400kW20чH26 / 26 four-stroke V diesel engine, the rated shaft speed 18.3S ~ (-1) (about 1200r a translation), locomotive AC - DC drive. Power supply system for the single-wire system, rated voltage of 3000 ± 600V DC (rectified), rated power 810kW. Since the DC power supply system installed on the T31-175 diesel locomotive is the first time in the Soviet Union, it is necessary to study the electrical performance of this system and the possible influence of the power supply system on the CABLE system.