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应用四象限变频器控制负载电动机进行力和速度的控制,并回馈能量。采用PLC控制系统对电动汽车用电力测功机系统的整个控制过程进行逻辑控制,实现电力测功机系统的设计、制造,以达到节能环保、测试精度高、响应快、加载准确之目的。
The four-quadrant inverter is used to control the load motor for force and speed control and to feed back energy. Adopting PLC control system, the whole control process of electric dynamometer system for electric vehicle is logically controlled to realize the design and manufacture of electric dynamometer system in order to achieve energy saving and environmental protection, high testing accuracy, fast response and accurate loading.