VAR Support from Distributed Wind Energy Resources: Preprint

Eduard Muljadi

Research output: Contribution to conferencePaper

Abstract

As the size and quantity of wind farms and other distributed generation facilities increase, especially in relation to local grids, the importance of a reactive power compensator or VAR support from these facilities becomes more significant. Poorly done, it can result in cycling or inadequate VAR support, and the local grid could experience excessive voltage regulation and, ultimately,instability. Improved wind turbine and distributed generation power control technologies are creating VAR support capabilities that can be used to enhance the voltage regulation and stability of local grids. Locating VAR support near the point of consumption, reducing step size, and making the control active all improve the performance of the grid. This paper presents and discusses alternativesfor improving the integration of VAR support from distributed generation facilities such as wind farms. We also examine the relative effectiveness of distributed VAR support on the local grid and how it can be integrated with the VAR support of the grid operator.
Original languageAmerican English
Number of pages8
StatePublished - 2004
EventWorld Renewable Energy Congress VIII - Denver, Colorado
Duration: 29 Aug 20043 Sep 2004

Conference

ConferenceWorld Renewable Energy Congress VIII
CityDenver, Colorado
Period29/08/043/09/04

NREL Publication Number

  • NREL/CP-500-36210

Keywords

  • distributed generation
  • energy storage
  • harmonics
  • induction generator
  • power systems
  • reactive power compensator
  • renewable energy (RE)
  • static VAR compensator
  • synchronous generator
  • VAR support
  • voltage regulation
  • wind farm
  • wind turbine

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