The invention discloses a rail transit permanent magnet traction system based on safety guidance. The rail transit permanent magnet traction system comprises a permanent magnet auxiliary traction motor M, an isolation contactor B, a three-phase inverter, a chopper module and a direct current support capacitor C; the system comprises a controller, and the controller comprises a current distribution module, a current control module, a coordinate transformation module and a PWM modulation module; the permanent magnet auxiliary traction motor M is provided with a position sensor; the position sensor outputs rotor information to the controller; the position sensor outputs rotor information to the controller; the controller collects capacitor voltage on the direct-current side of the traction inverter and output current of the inverter, inverter control pulses are obtained through operation, and permanent magnet auxiliary motor control is achieved. The system is reasonable in design and has good practical application value.
本发明公开了一种基于安全导向的轨道交通永磁牵引系统,包括永磁辅助牵引电机M,隔离接触器B,三相逆变器,斩波模块及直流支撑电容C;包括控制器,所述控制器包括电流分配模块、电流控制模块、坐标变换模块以及PWM调制模块;所述永磁辅助牵引电机M安装位置传感器;所述位置传感器输出转子信息至控制器;所述位置传感器输出转子信息至控制器;控制器从采集牵引逆变器直流侧电容电压、逆变器输出电流,经过运算得到逆变器控制脉冲,实现永磁辅助电机控制。本发明设计合理,具有很好的实际应用价值。
Rail transit permanent magnet traction system based on safety guidance
一种基于安全导向的轨道交通永磁牵引系统
2021-04-27
Patent
Electronic Resource
Chinese
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61C Lokomotiven , LOCOMOTIVES |
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