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A doubly-fed induction generator test facility for grid fault ride-through analysis

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6 Author(s)
David Atkinson ; Senior Lecturer in the Power Electronics, Drives and Machines Research Group ; Graham Pannell ; Wenping Cao ; Bashar Zahawi
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This paper has described a laboratory-scale DFIG test facility commissioned to investigate the low voltage fault behavior of a DFIG wind turbine generator. In this DFIG test facility, a dc motor driven by a four-quadrant dc drive is used as a prime mover to replicate the torque input from a wind turbine's drive shaft. A mechanical model created in Simulink is executed by the dSpace controller. The IGBT power converter and dc-link capacitors are over-rated to withstand various grid faults. The fault emulator permits a flexible approach to the application of grid faults and also provides an opportunity to mimic the typical grid connection impedance of a wind turbine.

Published in:

IEEE Instrumentation & Measurement Magazine  (Volume:15 ,  Issue: 6 )