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Nonlinear modeling of regenerative cycle micro gas turbine

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  • Duan, Jiandong
  • Sun, Li
  • Wang, Guanglin
  • Wu, Fengjiang

Abstract

In this paper, a nonlinear mathematical model of modern regenerative MGT (micro gas turbine) with superior accuracy is developed. The regenerator can improve efficiency and slow dynamic response of MGT. In view of its significant influence on MGT performance, the average static and dynamic model of the regenerator is included. In order to get more accurate mathematical description for off-design condition performance characteristic of compressor and turbine, nonlinear analytical expressions of compressor and turbine are employed instead of polynomial approximate expressions. The specific expressions of nonlinear state space equations are deduced in this paper. Static simulation results prove the correctness and validity of the model. In this paper, the new model is adopted to analyze dynamic characteristic of MGT having regenerator. The new nonlinear model can be used to thoroughly study performance characteristic of MGT and design superior nonlinear controller.

Suggested Citation

  • Duan, Jiandong & Sun, Li & Wang, Guanglin & Wu, Fengjiang, 2015. "Nonlinear modeling of regenerative cycle micro gas turbine," Energy, Elsevier, vol. 91(C), pages 168-175.
    • Handle: RePEc:eee:energy:v:91:y:2015:i:c:p:168-175
    DOI: 10.1016/j.energy.2015.07.134
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    References listed on IDEAS

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    1. Kim, T.S. & Hwang, S.H., 2006. "Part load performance analysis of recuperated gas turbines considering engine configuration and operation strategy," Energy, Elsevier, vol. 31(2), pages 260-277.
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    Cited by:

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    2. Duan, Jiandong & Fan, Shaogui & An, Quntao & Sun, Li & Wang, Guanglin, 2017. "A comparison of micro gas turbine operation modes for optimal efficiency based on a nonlinear model," Energy, Elsevier, vol. 134(C), pages 400-411.
    3. Zong, Chao & Ji, Chenzhen & Cheng, Jiaying & Zhu, Tong & Guo, Desan & Li, Chengqin & Duan, Fei, 2022. "Toward off-design loads: Investigations on combustion and emissions characteristics of a micro gas turbine combustor by external combustion-air adjustments," Energy, Elsevier, vol. 253(C).
    4. Duan, Jiandong & Liu, Junjie & Xiao, Qian & Fan, Shaogui & Sun, Li & Wang, Guanglin, 2019. "Cooperative controls of micro gas turbine and super capacitor hybrid power generation system for pulsed power load," Energy, Elsevier, vol. 169(C), pages 1242-1258.
    5. Gonca, Guven, 2017. "Exergetic and ecological performance analyses of a gas turbine system with two intercoolers and two re-heaters," Energy, Elsevier, vol. 124(C), pages 579-588.
    6. Kim, Min Jae & Kim, Jeong Ho & Kim, Tong Seop, 2018. "The effects of internal leakage on the performance of a micro gas turbine," Applied Energy, Elsevier, vol. 212(C), pages 175-184.
    7. Hadroug, Nadji & Hafaifa, Ahmed & Kouzou, Abdellah & Chaibet, Ahmed, 2017. "Dynamic model linearization of two shafts gas turbine via their input/output data around the equilibrium points," Energy, Elsevier, vol. 120(C), pages 488-497.
    8. Chen Yang & Kangjie Deng & Hangxing He & Haochuang Wu & Kai Yao & Yuanzhe Fan, 2019. "Real-Time Interface Model Investigation for MCFC-MGT HILS Hybrid Power System," Energies, MDPI, vol. 12(11), pages 1-21, June.
    9. Zheng, Bingle & Wu, Xiao, 2022. "Integrated capacity configuration and control optimization of off-grid multiple energy system for transient performance improvement," Applied Energy, Elsevier, vol. 311(C).
    10. Lee, Jae Hong & Kim, Tong Seop & Kim, Eui-hwan, 2017. "Prediction of power generation capacity of a gas turbine combined cycle cogeneration plant," Energy, Elsevier, vol. 124(C), pages 187-197.
    11. Valentin Morenov & Ekaterina Leusheva & Alexander Lavrik & Anna Lavrik & George Buslaev, 2022. "Gas-Fueled Binary Energy System with Low-Boiling Working Fluid for Enhanced Power Generation," Energies, MDPI, vol. 15(7), pages 1-15, March.
    12. Duan, Jiandong & Fan, Shaogui & Wu, Fengjiang & Sun, Li & Wang, Guanglin, 2017. "Power balance control of micro gas turbine generation system based on supercapacitor energy storage," Energy, Elsevier, vol. 119(C), pages 442-452.

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