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Energy analysis and control scheme optimizations for a recuperated gas turbine with variable power offtakes/inputs

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  • Wang, Tao
  • Zhang, Yu
  • Yin, Zhao
  • Zhang, Hua-liang
  • Qian, Ye-jian

Abstract

An innovative hybrid electric propulsion system (HEPS) is used for recuperated gas turbine (RGT) to avoid partial-load efficiency deterioration. Power offtakes/inputs of high and low-pressure shafts can be regulated by electric machines to achieve decoupling control in the innovative HEPS. The HEPS brings higher heating temperature in the combustor and significantly higher thermal efficiency at partial-load by optimizing the control scheme. A component-level model is used to conduct energy and performance analyses for RGT. The control scheme is optimized to enhance partial-load efficiency and protect RGT from temperature overrun, rotational speed overrun, and compressor surge.

Suggested Citation

  • Wang, Tao & Zhang, Yu & Yin, Zhao & Zhang, Hua-liang & Qian, Ye-jian, 2023. "Energy analysis and control scheme optimizations for a recuperated gas turbine with variable power offtakes/inputs," Energy, Elsevier, vol. 285(C).
    • Handle: RePEc:eee:energy:v:285:y:2023:i:c:s0360544223027779
    DOI: 10.1016/j.energy.2023.129383
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    References listed on IDEAS

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    4. Wang, Tao & Zhang, Yu & Yin, Zhao & Qiu, Liang & Hua, Yang & Zhang, Xian-wen & Qian, Ye-jian, 2023. "Decoupling control scheme optimization and energy analysis for a triaxial gas turbine based on the variable power offtakes/inputs," Energy, Elsevier, vol. 262(PB).
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