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This paper presents a technique to improve the frequency response of a grid system having synchronous generators (steam and hydro types) and a fixed speed induction generator wind turbine. An embedded Low Pass Filter (LPF) in the DC chopper unit of an Energy Capacitor System (ECS) control toplogy was used to provide active and reactive power control to the grid network that is supplying heavy and...
With the rapid increasing of the installed capacity of wind power, the difficulty of system frequency regulation is more apparent than ever for the volatility and randomicity of wind power. Therefore, this paper proposes one strategy of wind farm power regulation considering system frequency regulation demand. The corresponding control system is divided into three levels–wind energy management level,...
With the development of wind power, the inherent characteristics of randomness and uncertainty of wind energy would have an impressive effect on power system frequency, it is necessary for wind farm to participate in frequency regulating in order to share the burden with the frequency-regulating power plants, and to improve power system stability. Two operation modes of the wind farm are proposed...
A research on differences of latest Grid Code requirements for wind farm integration between China and selected EU countries are conducted. The similarities and differences of these Grid Codes in the aspects of active power/frequency control, reactive power/voltage control and fault ride-through capability are compared. The main causes of these differences are investigated and the author tried to...
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