Torsional torque suppression of decentralized generators using H∞ observer

Eitaro Omine, Tomonori Goya, Uehara Akie, Tomonobu Senjyu, Atsushi Yona, Naomitsu Urasaki and Toshihisa Funabashi

Renewable Energy, 2010, vol. 35, issue 9, 1908-1913

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.

Keywords: Decentralized generator; Renewable energy plant; Torsional torque suppression; H∞ observer; Gas-turbine generator (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:35:y:2010:i:9:p:1908-1913

DOI: 10.1016/j.renene.2010.01.017

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