Energy Storage Science and Technology ›› 2015, Vol. 4 ›› Issue (2): 176-182.doi: 10.3969/j.issn.2095-4239.2015.02.008

• Research &development • Previous Articles     Next Articles

Application analysis of a superconducting fault current limiter-magnetic energy storage system for the wind farm

GUO Wenyong   

  1. Key Laboratory of Applied Superconductivity,Institute of Electrical Engineering,Chinese Academy of Sciences,Beijing 100190,China
  • Received:2014-10-25 Online:2015-04-19 Published:2015-04-19

Abstract: Two major challenges in wind power generation are weak low voltage ride through (LVRT) capability and unstable power output. A superconducting fault current limiter-magnetic energy storage system (SFCL-MES) has been proposed to address the two challenges. Simulations on the proposed system have been carried out using a single wind power generator, and validated the system performance. This paper extends the concept of SFCL-MES to a wind farms. Simulations are carried out on the extended systems and the effect of the use of the SFCL-MES on the LVRT capability and power output of the wind farms are analyzed. Great enhancement of the LVRT capability of wind power generator is observed. The use of the SFCL-MES has also been shown to smooth the active output power of the wind farm. Considering complementary effect of generators in wind farms, power capacity requirements for the SFCL-MES for a whole wind farm is expected to be considerably lower than the summation of the requirements of individual wind power generator. The total cost is therefore expected to be reduced.

Key words: superconducting magnetic energy storage system (SMES), low voltage ride through (LVRT), superconducting fault current limiter (SFCL), wind power generation, doubly fed induction generator (DFIG)

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