DYNAMIC AND STEADY STATE SIMULATION OF DOUBLY FED INDUCTION GENERATOR (DFIG) ON VARIABLE SPEED CONSTANT FREQUENCY (VSCF) POWER GENERATION

Abstract: This  research  deals  with  mathematical  modeling  and  simulation  of  doubly  fed  induction generator (DFIG) on Variable Speed Constant Frequency Power Generation. In the system under  consideration,  the  stator  is  directly  connected  to  the  constant  frequency  three  phase grids and the rotor is supplied by two back-to-back three phase voltage source inverters with a  common  dc  link.  Such  a  configuration  is  attractive  in  large  power  applications  with limited  speed  range  of  operation.  The  rotor  currents  are  controlled  at  any  desired  phase, frequency  and  magnitude  to  control  the  active  and  reactive  powers  of  the  machine independently. A mathematical modeling of DFIG is presented in stator flux oriented model of the doubly-fed wound rotor induction machine is presented. Simulation is presented both in transient and steady state
Keywords: variable speed power  generation,  DFIG
Author: Tajuddin Waris & B.M Diah
Journal Code: jptlisetrogg110007

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