| Title |
Instantaneous Torque Control of IPMSM for maximum Torque Drive in Torque and Current Plane |
| Authors |
이홍균(Lee, Hong-Gyun) ; 이정철(Lee, Jung-Chul) ; 정동화(Chung, Dong-Hwa) |
| Keywords |
순시 토크제어;약계자 제어;최대토크 IPMSM ; MTPA |
| Abstract |
The paper proposes instantaneous torque control of IPMSM for maximum torque drive of torque and current plane. The control scheme is based on the mathematical model of the motor and is applicable to the constant torque and field weakening operations. The scheme allows the motor to be driven with maximum torque per ampere(MTPA) characteristic below base speed and it maintains the maximum voltage limit of the motor wide field weakening and the motor current limit under all conditions of operation accurately. For each control mode, a condition that determines the optimal d-axis current ^id for maximum torque operation is derived. The proposed control algorithm is applied to IPMSM drive system for drive of wide speed range, the operating characteristics controlled that maximum torque control are examined in detail by simulation. |