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PMSM Sensorless Operation for High Variable Speed Compressor  

석줄기 (영남대학 전자정보 공학부)
이동춘 (영남대학 전자정보 공학부)
황준현 (㈜매그플러스)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.51, no.12, 2002 , pp. 676-681 More about this Journal
Abstract
This paper presents the implementation and experimental investigation of sensorless speed control for a variable-speed PMSM(Permanent Magnet Synchronous Motor) in super-high speed compressor operation. The proposed control scheme consists of two different sensorless algorithms to guarantee the reliable starting operation in low speed region and full torque characteristics using the vector control in high speed region. An automatic switching technique between two control modes is proposed to minimize the speed and torque pulsation during the switching instant of control mode. A testing system of 3.3㎾ PMSM has been built and 90% load test results at 7000r/min are presented to examine the feasibility of proposed sensorless control scheme.
Keywords
Sensorless Speed Control; High Speed Operation Compressor; PMSM(Permanent Magnet Synchronous Motor); Automatic Control Switching Technique;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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