新研制的轴式为Bo-Bo+Bo-Bo的八轴韶山4型电力机车用ZQ850新型脉流牵引电动机,通过方案设计、施工设计等阶段,已全面开展试制工作,即将投入试运用。按照设计任务书的要求,ZQ850型牵引电动机的基本技术参数如下: 牵引电动机额定电压U_H=1010伏; 额定功率P_∞=800千瓦;, 机车持续制牵引力44吨每轴持续制牵引力5500公斤; 机车起动牵引力64吨; 机车额定速度V_∞≈52公里/小时; 机车最大速度Vmax=100公里/小时; The newly developed ZQ850 new pulsating traction motor for the Bo-Bo + Bo-Bo eight-shaft Shaoshan 4 electric locomotive has been fully tested and put into trial operation through program design and construction design. In accordance with the requirements of the design task book, ZQ850 traction motor basic technical parameters are as follows: traction motor rated voltage U_H = 1010 V; rated power P_∞ = 800 kW; locomotive sustained traction 44 tons per shaft sustained traction 5500 kilograms; locomotive Starting traction 64 tons; locomotive rated speed V_∞ ≈ 52 km / h; locomotive maximum speed Vmax = 100 km / h;