Mobile QR Code QR CODE : The Korean Institute of Power Electronics
Title Sensorless Drive for Mono Inverter Dual Parallel Surface Mounted Permanent Magnet Synchronous Motor Drive System
Authors Yongjae Lee, Jung-Ik Ha ;
DOI 10.6113/TKPE/2015.20.1.38
Page pp.38-44
ISSN 1229-2214
Keywords AC motor drives; DC-AC power conversion; Parallel machines; Permanent magnet motors; Sensorless algorithm
Abstract This paper presents the sensorless drive method for mono inverter dual parallel (MIDP) surface mounted permanent magnet synchronous motor (SPMSM) drive system. MIDP motor drive system is a technique that can reduce the cost of the multi motor driving system. To maximize this merit of the MIDP motor drive system, the sensorless technique is essential to eliminate the position sensors. This paper adopts an appropriate sensorless method for MIDP SPMSM drive system, which uses the reduced order observer and phase locked loop (PLL) to reduce the calculation burden. The I-F control method is implemented for start-up and low speed operation. The validity and performance of the proposed algorithm are shown via experiments with 600-W SPMSMs.