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A new controller design for a synchronous generator-based variable-speed wind turbine

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2 Author(s)
Arash Jamehbozorg ; Dept. of Electrical and Computer Engineering at University of Denver, CO 80210, USA ; Wenzhong Gao

This paper presents a control scheme for full-scale back to back converter used for connecting the synchronous generator-based variable speed wind turbine to grid. The new control concept is based on the q-d reference modulation indices of the Discontinuous Pulse Width Modulation (DPWM) technique. The converter consists of a six-diode rectifier and a six-IGBT voltage source inverter with a dc-link in between. Modeling of the whole system is presented in PSCAD/EMTDC software and steady-state and fault conditions of the system are investigated. Results show that the controller can appropriately control the converter of the wind turbine system in steady-state and fault conditions.

Published in:

North American Power Symposium (NAPS), 2010

Date of Conference:

26-28 Sept. 2010