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Due to increasing penetration of wind power generation, new challenges are originating from the intermittent nature of wind. Some of the challenges are maintaining frequency stability and output power smoothening. These will necessitate the control of wind turbines in order to maintain the stability rather than extracting the maximum power. This paper proposes a new control scheme for the output power...
This paper, first, develops the reactive power capabilities of wind power generator and then discusses reactive power ancillary services issues related to the wind farms in the electricity market. Presently, the doubly fed induction generator (DFIG) system, with partial rated power electronic converters in the rotor circuit, is the most popular and widely used for the wind power generation due to...
This paper investigates the possibility of using a nonlinear estimator for estimating the internal variables of a synchronous generator, such as the rotor angle, from the data acquired from phasor measurement units (PMUs). A divide-by-difference filter (DDF) has been used for accurate estimation of the rotor angle of the generator. The proposed rotor angle estimator utilizes the measurements of the...
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