Improvement Fault-ride Through of DFIG Based Wind Turbines by using a Series Compensation Technology with Emphasis Put on the Mitigation of Voltage Dips
Mustafa Jawad Kadhim1, D. S. Chavan2
1Mustafa Jawadkadhim, Department of Electrical Engineering, University of Technology, Baghdad, Iraq.
2Prof. D.S. Chavan, Associate Professor, Department of Programmed Management, Bharati Vidyapeeth Deemed University College Of Engineering Pune (M.H), India.
Manuscript received on 21 May 2013 | Revised Manuscript received on 28 May 2013 | Manuscript published on 30 May 2013 | PP: 212-216 | Volume-2 Issue-2, May 2013 | Retrieval Number: B0656052213/2013©BEIESP
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Abstract: Low Voltage Ride Through is an important feature for wind turbine systems to fulfill grid code requirements. In case of wind turbine technologies using doubly fed induction generators the reaction to grid voltage disturbances is sensible. Hardware or software protection must be implemented to protect the converter from tripping during severe grid voltage faults. In this paper the Dynamic Voltage Restorer (DVR) solution for LVRT of DFIG wind turbines is investigated by simulation results using a detailed converter model considering the switching and appropriate 2 MW wind turbine system parameter. To show the effectiveness of the proposed method the results are compared to a conventional fault ride through of the DFIG using a crowbar circuit. Measurement results on a 22 kW laboratory DFIG test bench show the effectiveness of the proposed control technique.
Keywords: Doubly Fed Induction Generator (DFIG), Dynamic Voltage Restorer (DVR), Fault Ride-Through And Wind Energy
Scope of the Article: Nano Technology