N. Manonmani
Sri Krishna College of Engineering and Technology

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Modeling and Simulation of Grid Interfaced Synchronous Generator with Controller S. Sridharan; N. Manonmani
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 12: December 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

The increasing demand of electric power necessitates the establishment of new generating stations. Wind energy conversion system (WECS) is more attractive due to its mature and clean aspects. The wind turbine driven with permanent magnet synchronous generator (PMSG) feeds ac power to utility grid. For this purpose two voltage source converters are connected back to back between rotor terminals and grid via common dc link. In order to satisfy the grid code requirements such as grid stability, power quality improvement, and power control this machine is usually used. In this paper the complete mathematical modelling and simulation of wind turbine driven PMSG has been done. The stator and rotor of PMSG is connected to the grid  through back to back connected two voltage source converters with a common DC link. The total system is modeled and simulated for better power quality and is capable of harnessing maximum power at various wind speeds. A new control strategy known as perturb and observation (P&O) controller is introduced in WECS for maximum power point tracking (MPPT) to improve the system operation. The simulation is done in MATLAB Simulink environment.  http://dx.doi.org/10.11591/telkomnika.v12i12.6884