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With the increasing wind power penetration, the wind farms are directly influencing the power systems. The majority of wind farms are using variable speed wind turbines equipped with doubly-fed induction generators (DFIG) due to their advantages over other wind turbine generators. Therefore, the analysis of wind power dynamics with the DFIG wind turbines has become a very important research issue,...
The aim of this paper is to manage the load variation of a microgrid by controlling the wind generator. An automatic load sharing approach for a doubly-fed induction generator (DFIG) based wind generator is proposed in this paper considering both resistive and inductive line parameters and variable wind velocity. The load demand for the wind generator is determined based on the variation of its terminal...
This paper presents potential barriers to integrate the squirrel cage induction generator (SCIG) and doubly fed induction generator (DFIG) type wind turbine in distribution networks. The analysis is carried out over a 16 bus distribution test system. Both static and dynamic analyses are performed to see the impact of two different generators on the distribution system. The simulation results show...
This paper present the effects of integration of renewable energy sources (RES) in a microgrid in grid connected and islanded operation. To analyze the complementary effect of renewable energy penetration into microgrid, a fixed speed wind turbine equipped with squirrel cage induction generator (SCIG) and a grid connected solar system with maximum power point tracker (MPPT) are used. This paper also...
This paper presents a comparison of the performance of series and shunt compensation in stability improvement of wind farms. Static synchronous compensator (STATCOM) and static synchronous series compensator (SSSC) are used as shunt and series compensator respectively in order to enhance the system stability. The effect of control parameter tuning is also analysed. A comparison is also made between...
The design and implementation of a new control scheme for reactive power compensation, voltage regulation and transient stability enhancement for wind turbines equipped with fixed-speed induction generators in large interconnected power systems is presented. The nonlinear behavior of wind turbines has been represented in this paper by an uncertain term, derived from the Cauchy remainder of the Taylor...
The complexity of power systems has increased in recent years due to the operation of existing transmission lines closer to their limits using flexible AC transmission system devices (FACTS), and also due to the increased penetration of new types of generators that have more intermittent characteristics and lower inertial response, such as wind generators. This changing nature of power systems has...
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