Abstract—with the advances of power electronic technology, direct-driven permanent magnet synchronous generators (PMSGs) have increasingly drawn the interest of wind turbine manufacturers. At the present time, a commercial PMSG wind turbine primarily makes use of a passive rectifier followed by an insulated gate bipolar transistor (IGBT) inverter.
Although a PMSG wind turbine with two back-to-back voltage source IGBT converters is considered more efficient, it has not been widely adopted by the wind power industry. This paper investigates both the conventional and a novel vector control mechanism for a PMSG wind turbine that has two side-by-side voltage source pulsewidth modulation converters.
The proposed approach is based on a directcurrent vector control mechanism for control of both machineand grid-side converters of a PMSG wind turbine. Then, an optimal control strategy is developed for ntegrated control of PMSG maximum power extraction, reactive power, and grid voltage support controls.
Optimal and Direct-Current Vector Control of Direct-Driven PMSG Wind Turbines
Published in: IEEE Transactions On Power Electronics
Date of Publication: Vol. 27, No. 5, May 2012
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