This paper describes the modeling and control of a variable speed wind turbine system for medium power based Permanent Magnet Synchronous Generator (PMSG) which feeds an AC power grid. For that, two Pulse Width Modulated (PWM) voltage converters are connected back to back between the stator terminals of the PMSG and the utility grid via a common DC link, a mathematical modeling of the wind energy conversion system is developed, a distributed generation based on standalone wind energy conversion system (WECS) using a variable speed PMSG is proposed with the Hysteresis Band Current Control (HBCC), Voltage oriented control (VOC) and Flux Oriented Control (FOC). The goal in controlling system is to ameliorate the generated energy quality by regulating DC-link voltage Udc to follow reference value Udcref. The validity of the developed unified model and the feasibility of the proposed control strategies are all confirmed by the simulated results using SIMULINK/MATLAB software programmes.
High performance PWM converter control based PMSG for variable speed wind turbine
2012-03-01
699476 byte
Conference paper
Electronic Resource
English
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