Mobile QR Code QR CODE : The Korean Institute of Power Electronics
Title A MTPA Control Method for Sensorless V/f Operation of SPM는
Authors Won-Jae Kim ; Sang-Hoon Kim
Page pp.240-246
ISSN 1229-2214
Keywords MTPA operation ; Permanent magnet synchronous motor ; Sensorless ; Stabilization ; V/f control
Abstract In this paper, a sensorless V/f control based on maximum torque per ampere (MTPA) operation for PMSMs is proposed. Given that the MTPA operation is not considered in the conventional sensorless V/f control, efficient PMSM drives cannot be achieved. Therefore, this paper proposes an improved technique based on the d-axis current control to enable the MTPA operation in the V/f control for PMSMs. A stabilization technique is also proposed to improve the dynamic characteristics and stability against load variation. The effectiveness of the proposed technique is verified by conducting experiments with a 250 W SPMSM for driving a blower.