1、ABB Group February 8, 2021 | Slide 1 交流传动DTC技术 ABB Training Center, 2010 ABB Group February 8, 2021 | Slide 2 磁通是输入电压的函数磁通是输入电压的函数 转矩由磁通矢量决定转矩由磁通矢量决定: T = c ( s x r) s r 3 4 U U 5 U 6 U 2 U 1 U x y U s 磁滞控制原理磁滞控制原理 ABB Group February 8, 2021 | Slide 3 逆变器逆变器 & 电机电机 M S S S A B C + - - + + - - + - -
2、+ + - - + + - + + - 电机电压矢量电机电压矢量 ABB Group February 8, 2021 | Slide 4 M 3 Inverter Rectifier DC bus Switch commands Optimum pulse selector Line Torque comparator comparator Flux Torque status Flux Control signals position Adaptive motor model Switch positions DC bus voltage Motor current Motor curre
3、nt Torque reference controller Actual torque Actual flux Actual speed Internal torque reference Flux reference controller U f U f Internal flux reference PID Speed controller + acceleration compensator Torque reference Speed reference Flux optimizing Flux braking On/Off On/Off status + - DTC core DTC 框图框图 ABB Group February 8, 2021 | Slide 5
