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Sensorless Control of PMSG for Small Wind Turbines  

Jang, Suk-Ho (영남대 전기공학과)
Park, Hong-Geuk (LS산전(주) 자동화연구소 Drive 연구팀)
Lee, Dong-Choon (영남대 전기공학과)
Kim, Heung-Geun (경북대 전자전기컴퓨터학부)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.14, no.1, 2009 , pp. 15-22 More about this Journal
Abstract
In this paper, a sensorless control of PMSG(Permanent Magnet Synchronous Generator) for small wind turbine systems, which is based on stator flux and back-emf estimation. Also, a cost-effective AE/DC/AC converter that consists of a two-leg three-phase PWM converter and a half-bridge PWM converter is used for vector control of PMSG, which is impossible with the conventional diode-rectifier type converter. A sensorless control algorithm can eliminate pulse encoders for speed measurement, which reduces the system cost. Using PSIM simulation, the validity of the converter control performance and MPPT control of PMSG have been verified.
Keywords
Sensorless Control; Permanent Magnet Synchronous Generator; Small-scale Wind Turbine;
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