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Toward controlled wind farm output: adjustable power filtering

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3 Author(s)
Rawn, B.G. ; Dept. of Electr. & Comput. Eng., Toronto Univ., Ont. ; Lehn, P.W. ; Maggiore, M.

This paper presents research into the limits on controllable power output from wind energy conversion systems. The viewpoint of imposing delivered power as a control input is explored though the introduction of a novel control structure for a fully-rated converter interfaced wind turbine. A singular perturbations decomposition of the system dynamics into two separate models underlies the new structure. A preliminary discussion of the stability implications for the turbine hub is offered, using torque-speed diagrams. Usefulness of the singular perturbation models and control structure is illustrated by its application in a power filtering methodology that specifies the delivered power as a filtered version of available wind power. Simulation results demonstrate the controlled system's ability to absorb wind power variations and completely isolate its torsional modes from the grid

Published in:

Power Engineering Society General Meeting, 2006. IEEE

Date of Conference:

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