ROTOR SIDE POWER CONTROLLING STRATEGY OF DOUBLY FED INDUCTION MOTOR FOR WIND ENERGY CONVERSION SYSTEM
Author(s):
VASAMSETTI DURGA PRASAD, G V RAMMOHAN
Keywords:
Doubly fed induction motor(DFIM), Modelling of Wind turbines, Rotor side controlling, MATLAB/SIMULINK programming of Wt model
Abstract
Recently, renewable energy resources like wind power have been spread rapidly. Nowadays, wind energy plays an important role in generating green and cheap electrical power. A doubly fed induction motor (DFIM) becomes a necessary part of the wind turbine generation system due to its good efficiency of using the wind power and controlling the reactive power. Due to irregular obtainability of the wind, a power system is intended to extract a maximum power from the wind. The purpose of this project is to introduce a Power control strategy of DFIM for a wind turbine and to study its steady state behaviour by using MATLAB/SIMULINK.Thismodelling algorithm gives the asynchronous machine a possibility to trace and follow the path of maximum power extraction and support the optimal operation points of the power coefficient curve over different wind circumstances, also simulating the wind turbine (WT) model and studying the steady state condition for the reference value and actual value for the rotor speed, electromagnetic torque, the two components of rotor current, rotor voltage, stator voltage and the value of currents for the rotor and stator sides. To avoid complexity, the whole model is considered as a collection of subsystems which are modelled individually and then assembled to get wind turbine model. PWM control method is implemented for decoupled control of active and reactive power.
Article Details
Unique Paper ID: 150083

Publication Volume & Issue: Volume 7, Issue 2

Page(s): 310 - 315
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