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Control methods of a stand-alone doubly fed induction generator mostly use either proportional-integral regulators in multiple synchronous reference frames or proportional-integral-resonant regulators in a stationary reference frame. These control schemes work well when the plant model is not complex and system decoupling is implemented into the control algorithm. However, when the control system...
More and more applications requires DC voltage for operation. With growing demand comes a need for high power DC generators. One of the most popular machines used for AC power generation are Double-Fed Induction Machines (DFIG), due to fractional power rotor side converter. But such machine is not fit for DC voltage generation. Nonlinear load produces torque pulsation causing mechanical stresses and...
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