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This paper deals with a new Autonomous Wind Energy Conversion System (AWECS) employing parallel operated Permanent Magnet Synchronous Generators (PMSGs) driven by variable speed wind turbines and feeding three-phase four-wire local loads. The proposed system utilizes three Pulse Width Modulated (PWM) Insulated Gate Bipolar Transistors (IGBTs) based voltage source converters (VSCs) with a battery energy...
The brushless double-fed hybrid poles permanent generator is a new-style HESM. The basic principle and structure of the machine are introduced first. The paper presents the voltage regulator of this generator, which is composed of TCR. In the paper, the simulation models of the machine and voltage regulator are established according to the MATLAB. Finally, the simulation results are provided to demonstrate...
In this paper, a battery energy storage system (BESS) based voltage and frequency (VF) controller based on isolated three-leg VSC with a zig-zag transformer is proposed for stand alone power generation using a permanent magnet synchronous generator (PMSG). An isolated distributed generation (DG) system is realised using fixed pitch wind turbine. The proposed stand alone wind energy conversion system...
A stand-alone power supply system based on wind energy is presented in this paper. A permanent magnet synchronous generator (PMSG) is connected to the load through a switched mode rectifier and an inverter. Battery is used as an energy storage device and interfaced to the wind energy system through DC-DC converter. Control strategies are presented to regulate the voltage and frequency of the output...
Wind energy conversion systems is now occupying important space in the research of renewable energy sources. There is a need for more research on wind generators, power converter topologies etc. In this paper behavior of wind generator have been studied in MATLAB. Generator used here for study is permanent magnet synchronous generator (PMSG). This paper also provides comparison of different power...
This paper deals with an isolated wind-hydro hybrid generation system employing a Squirrel Cage Induction Generator (SCIG) driven by hydro turbine and a Permanent Magnet Synchronous Generator (PMSG) driven by a variable speed wind turbine feeding three-phase four-wire local loads. The proposed system utilizes two back to back connected Pulse Width Modulated (PWM) Insulated Gate Bipolar Transistors...
This paper discusses the interconnection issues of variable speed permanent magnet synchronous generator (PMSG) connected to grid as per prevailing grid standards during healthy and fault conditions. The variable speed operation of PMSG has been demonstrated while feeding the real power to the grid keeping DC link voltage constant. Further, the fault ride-through capability of PMSG has been demonstrated...
In this paper, an autonomous wind energy conversion system (WECS) is proposed using a permanent magnet synchronous generator (PMSG). The voltage and frequency (VF) of the stand alone WECS is controlled using a voltage source converter (VSC) with a battery energy storage system (BESS) at its dc link. A Scott-connected transformer is proposed for the neutral current compensation of the three-phase four-wire...
In this paper the authors present a novel control structure of synchronous generator. The new excitation system is based on voltage source. This last one is performed by a permanent magnet generator coupled with a hybrid converter. The converter is composed by three thyristors and three diodes. A sliding mode control is used to drive the system. The stability is ensured by using a Lyapunov function...
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