Position Sensorless Control of PMSG in Wind Energy Conversion System

Gui Xi Jia; Hui Chao Zhao; Chang Xiang Wang

doi:10.4028/www.scientific.net/AMM.121-126.4048

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 121-126Position Sensorless Control of PMSG in Wind Energy...

Position Sensorless Control of PMSG in Wind Energy Conversion System

Abstract:

This paper presents a position sensorless operating method in WECS (Wind Energy Conversion System) based on PMSG (Permanent Magnet Synchronous Generator). A position sensorless operating method for direct-drive PMSG using sliding mode observer is proposed. With this method, position angles can be estimated only by measuring phase voltages and currents. By analyzing the cause of angle error, which increases when the PMSG is operating at high speed, a new dynamic angular compensation solution is developed. This method proves to be effective and necessary by experiments based on simulink.

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Periodical:

Applied Mechanics and Materials (Volumes 121-126)

Pages:

4048-4052

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.121-126.4048

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Online since:

October 2011

Authors:

Gui Xi Jia, Hui Chao Zhao, Chang Xiang Wang

Keywords:

PMSG, Sensorless Control, Sliding Mode Observer (SMO)

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