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Torsional torque suppression of decentralized generators using H∞ observer

Author

Listed:
  • Omine, Eitaro
  • Goya, Tomonori
  • Akie, Uehara
  • Senjyu, Tomonobu
  • Yona, Atsushi
  • Urasaki, Naomitsu
  • Funabashi, Toshihisa

Abstract

The output power fluctuations of renewable energy plants such as wind turbine generators and photovoltaic systems cause frequency deviations and terminal voltage fluctuations. Furthermore, these power fluctuations also affect the turbine shaft of diesel generator and gas-turbine generators which are usually the main electric power systems in isolated islands. This paper presents a control strategy that achieves torsional torque suppression and power system stabilization. Since the measurement of the torsional torque is technically difficult and there is uncertainty in mechanical constants of the shaft torsional system, the torsional torque is estimated by using a H∞ observer. The simulation results validate the effectiveness of the proposed control system.

Suggested Citation

  • Omine, Eitaro & Goya, Tomonori & Akie, Uehara & Senjyu, Tomonobu & Yona, Atsushi & Urasaki, Naomitsu & Funabashi, Toshihisa, 2010. "Torsional torque suppression of decentralized generators using H∞ observer," Renewable Energy, Elsevier, vol. 35(9), pages 1908-1913.
    • Handle: RePEc:eee:renene:v:35:y:2010:i:9:p:1908-1913
    DOI: 10.1016/j.renene.2010.01.017
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    Cited by:

    1. Kosuke Takahashi & Nyam Jargalsaikhan & Shriram Rangarajan & Ashraf Mohamed Hemeida & Hiroshi Takahashi & Tomonobu Senjyu, 2020. "Output Control of Three-Axis PMSG Wind Turbine Considering Torsional Vibration Using H Infinity Control," Energies, MDPI, vol. 13(13), pages 1-13, July.

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