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Direct Power Control of Grid-Connected Wound Rotor Induction Machine Without Rotor Position Sensors

Datta, Rajib and Ranganathan, VT (2001) Direct Power Control of Grid-Connected Wound Rotor Induction Machine Without Rotor Position Sensors. In: IEEE Transactions on Power Electronics, 16 (3). pp. 390-399.

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Abstract

A method is presented for fast response control of the torque and flux of a grid connected wound rotor induction machine fed by back to back connected voltage source inverters on the rotor side. It is based on the measurement of active and reactive power on the grid side where voltages and currents are alternating at fixed frequency. The active and reactive powers are made to track references using hysteresis controllers. The method eliminates the need for rotor position sensing and gives excellent dynamic performance, as shown by simulation and experimental results from a variable speed constant frequency induction generator system. It is also capable of starting on the fly. It is thus an attractive sensorless control method for drive as well as generator applications.

Item Type: Journal Article
Additional Information: ©2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Induction motors;power control;reactive power control;sensorless control;torque control;variable speed constant frequency applications;variable speed drives;wind power generation
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 25 Aug 2008
Last Modified: 19 Sep 2010 04:16
URI: http://eprints.iisc.ernet.in/id/eprint/1881

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