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Fixed speed wind turbine generator system (WTGS) uses induction generator as wind generator. Besides some of its advantages, it suffers greatly to meet the requirements of new wind farm grid code due to the dependency on reactive power. Some flexible AC transmission systems (FACTS) devices have been proposed recently for compensating the reactive power of induction generator during network disturbances...
Due to random variations of wind speed, the output power and terminal voltage of a fixed speed wind generator fluctuate continuously. These irregularities in power output are characteristic of intermittent energy sources such as wind energy, affecting both the power quality and planning of the energy storage system. It is reported that STATCOM/SMES (superconducting magnetic energy storage) topology...
Due to random variations of wind speed, output power of wind generator fluctuates randomly, and consequently fluctuations of power system frequency occur. These frequency fluctuations pose serious problems on the system, for example, lamp flicker and inaccuracy in the timing devices. Therefore, minimization of fluctuations of power system frequency is very important from the viewpoint of power system...
In this paper, the stabilization of wind farms connected with multi-machine power system in which a severe network disturbance occurs is analyzed. For this purpose, the STATCOM incorporated with battery energy storage system (BESS), i.e., STATCOM/BESS topology is proposed to enhance the transient stability of entire power system. At each wind farm terminal one PWM based STATCOM/BESS is connected....
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