Analysis of Rotor Kinetic Energy Control Technology for Wind Turbines
The emerge of wind turbine generators(WTGs)which gradually replace conventional synchronous generators,results in rising permeability of wind power generation in power system,but also lowered inertia and weakened frequency stability.The rotor kinetic energy control technology for wind turbines can realize flexible conversion between rotors'rota-tional kinetic energy and electric power,facilitate improvement of frequency stability of the system.This paper introduces and analyzes the conventional rotor kinetic energy control strategies for WTGs,including virtual inertia control,droop control and integrated inertia control,and gives prospective outlook on future development of this technology.
wind power generationfrequency regulationvirtual inertiadroop control
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