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Enhanced Frequency Regulation Using Multilevel Energy Storage in Remote Area Power Supply Systems

Journal Article


Abstract


  • Frequency support from renewable power generators

    is critical requirement to ensure the frequency stability of remote area pow-er supply (RAPS) systems with high penetration of renewable power generation. However, traditional control strategies and the stochastic nature of wind resource constrain wind energy conver-sion system (WECS) such as permanent magnet synchronous generator (PMSG) from participating in frequency regulation. This work proposes to integrate hybrid energy storage including ultracapacitors (UCs) and lead-acid batteries (LABs) into a PMSG to provide frequency support. The UCs deal with fast changing frequency by emulating conventional inertial response, whereas the LABs mimic automatic governor response (i.e., pri-mary frequency response). The mechanical power reserved in wind turbine using suboptimal maximum power point tracking (SOPPT) strategy is utilized to restore system frequency (i.e., sec-ondary frequency response). Moreover, supplementary control strategies are proposed to enable the UCs and LABs to assist primary frequency response and secondary frequency response respectively. Simulation study and experimental test are carried out to validate the effectiveness of frequency response provided by the multilevel energy storage. The multilevel energy storage solution can effectively regulate RAPS system frequency while avoiding abrupt and frequent charging/discharging of the LABs and significant mechanical/electromagnetic stress on the WECS.

UOW Authors


  •   Tan, Yingjie (external author)
  •   Muttaqi, Kashem
  •   Ciufo, Phil (external author)
  •   Meegahapola, Lasantha (external author)
  •   Guo, Xiaobin (external author)
  •   Chen, Bo (external author)
  •   Chen, Haomin (external author)

Publication Date


  • 2019

Citation


  • Y. Tan, K. M. Muttaqi, P. Ciufo, L. Meegahapola, X. Guo, B. Chen & H. Chen, "Enhanced Frequency Regulation Using Multilevel Energy Storage in Remote Area Power Supply Systems," IEEE Transactions on Power Systems, vol. 34, (1) pp. 163-170, 2019.

Scopus Eid


  • 2-s2.0-85052693233

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers1/2181

Number Of Pages


  • 7

Start Page


  • 163

End Page


  • 170

Volume


  • 34

Issue


  • 1

Place Of Publication


  • United States

Abstract


  • Frequency support from renewable power generators

    is critical requirement to ensure the frequency stability of remote area pow-er supply (RAPS) systems with high penetration of renewable power generation. However, traditional control strategies and the stochastic nature of wind resource constrain wind energy conver-sion system (WECS) such as permanent magnet synchronous generator (PMSG) from participating in frequency regulation. This work proposes to integrate hybrid energy storage including ultracapacitors (UCs) and lead-acid batteries (LABs) into a PMSG to provide frequency support. The UCs deal with fast changing frequency by emulating conventional inertial response, whereas the LABs mimic automatic governor response (i.e., pri-mary frequency response). The mechanical power reserved in wind turbine using suboptimal maximum power point tracking (SOPPT) strategy is utilized to restore system frequency (i.e., sec-ondary frequency response). Moreover, supplementary control strategies are proposed to enable the UCs and LABs to assist primary frequency response and secondary frequency response respectively. Simulation study and experimental test are carried out to validate the effectiveness of frequency response provided by the multilevel energy storage. The multilevel energy storage solution can effectively regulate RAPS system frequency while avoiding abrupt and frequent charging/discharging of the LABs and significant mechanical/electromagnetic stress on the WECS.

UOW Authors


  •   Tan, Yingjie (external author)
  •   Muttaqi, Kashem
  •   Ciufo, Phil (external author)
  •   Meegahapola, Lasantha (external author)
  •   Guo, Xiaobin (external author)
  •   Chen, Bo (external author)
  •   Chen, Haomin (external author)

Publication Date


  • 2019

Citation


  • Y. Tan, K. M. Muttaqi, P. Ciufo, L. Meegahapola, X. Guo, B. Chen & H. Chen, "Enhanced Frequency Regulation Using Multilevel Energy Storage in Remote Area Power Supply Systems," IEEE Transactions on Power Systems, vol. 34, (1) pp. 163-170, 2019.

Scopus Eid


  • 2-s2.0-85052693233

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers1/2181

Number Of Pages


  • 7

Start Page


  • 163

End Page


  • 170

Volume


  • 34

Issue


  • 1

Place Of Publication


  • United States