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In general, the power systems with high penetration of renewable energies result in a system with a relatively low moment of inertia, and can be susceptible to significant frequency variations. However, the virtual inertia of wind power which imitates the kinetic inertia of synchronous generator can be used to improve the system dynamic behavior. This paper presents a novel hybrid adaptive fuzzy control...
To effectively solve power fluctuation problems caused by rolling wind in the off-grid wind power system, an energy storage strategy is proposed to design a power management unit with two-parameter controller and buffer-capacitor in the windmill generator system for charging the lithium-ion battery continuously and environment-friendly. A buffer capacitor circuit has been raised to stabilize the output...
An energy management system is necessary to store the electrical energy transformed effectively from renewable energy, such as intermittent and unstable wind energy. The structure design and simulation analysis of the voltage controller, as an energy management system, is described in this paper in which a reserve capacitor is used as a transient energy storage equipment to coordinate energy the wind...
Three-hastate vertical axis wind wheel, a novel type rotor with high efficiency, can be able to actualize wind energy conversion by the lumen twice driven principle, based on the theoretical analysis of the rotor's geometric structure in this research. The computational fluid dynamic analyses, which detect the aerodynamic characteristic of the rotor further, are also described by using the multiple...
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