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Converter needs to absorb large amount of reactive power from AC power system when it transmits active power. The control mode of converters and the setting of each control mode will affect the quantity of reactive power directly. Thus, the control modes of converters are one of the important objectives for establishing the converter operation modes. The most familiar control mode of DC system is...
A Doubly-Fed Induction (DFIG) wind generator dynamic model is developed in PSCAD. Then a novel active power control strategy based on the indirect speed control is introduced to implement the power control tasks and the limits of these controls are also discussed. The novel strategy ensures that wind power generators without wind speed measurement can achieve the balance control and maximum power...
Various distributed generation units (DGs) are connected to utility power grid. With the advances in power electronics technology, many electronics converter interfaces have been utilized in DGs. The power balance control strategies can be achieved by the flexible control modes of the power electronics converter. However, because of the dynamic response and adjustment ability of the electronics converter...
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