PERFORMANCE COMPARISON OF TRADITIONAL AND EMERGING DOUBLY-FED GENERATOR TOPOLOGIES FOR GRID-CONNECTED WIND POWER APPLICATIONS

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Title
PERFORMANCE COMPARISON OF TRADITIONAL AND EMERGING DOUBLY-FED GENERATOR TOPOLOGIES FOR GRID-CONNECTED WIND POWER APPLICATIONS

CoPED ID
61b17132-ef2f-4f1d-a7de-483043706c5b

Status
Closed


Value
£676,630

Start Date
Sept. 21, 2008

End Date
Sept. 21, 2011

Description

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Currently the accepted technology for large wind turbines is the doubly-fed induction generator (DFIG). This technology is popular primarily due to the reduced cost of the partially rated power electronic converter. On the negative side is the fact that the generator requires brushes and slip rings which require regular maintainance.An alternative scheme is based on the brushless doubly-fed reluctance machine (BDFRM) which also has the cost benefit of a partially rated power converter but as its name implies does not require brushes and slip rings.The BDFRM has not been used for a wind power application. This project will experimentally examine its performance for a wind power application. There are a number of different approaches to the control of a BDFRM. The project will examine the use of Direct Power Control (DPC). This control approach will include sensorless operation and machine parameter independence. With the proliferation of wind power generation the issue of power system stabilty is of great concern. It is important to examine the fault-ride-through (FRT) capabilty of any generation system. This project will examine the FRT capability of the BDFRM and compare this to that of the DFIG. This will require that special grid fault emulation equipment is included in the laboratory test rig.

Subjects by relevance
  1. Wind energy
  2. Power electronics
  3. Wind power stations

Extracted key phrases
  1. Connected wind power application
  2. Wind power generation
  3. Performance comparison
  4. Power electronic converter
  5. Power system stabilty
  6. Power converter
  7. FED GENERATOR topology
  8. Large wind turbine
  9. Special grid fault emulation equipment
  10. Slip ring
  11. BDFRM
  12. Machine parameter independence
  13. Generation system
  14. Control approach
  15. Induction generator

Related Pages

UKRI project entry

UK Project Locations