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Delay stability analysis of heavy-duty gas turbine control loop
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Yang SU, Yuanye CHEN, Yajuan LIU
Thermal Power Generation | 2024, 53(3) : 110 - 116
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Thermal Power Generation | 2024, 53(3): 110-116
• Thermal energy science research •
Delay stability analysis of heavy-duty gas turbine control loop
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Yang SU, Yuanye CHEN, Yajuan LIU
Affiliations
  • School of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China
Published: 2024-03-25 doi: 10.19666/j.rlfd.202312171
Outline
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In industrial production processes, time delays can have adverse effects on the performance of control systems, and may even lead to system instability. This article investigates the stability issues of time-delay in the load/speed control loop of a heavy-duty gas turbine from the perspective of switching systems. The model of GE MS109FA 275 MW heavy-duty gas turbine under 100% load is taken as the research object. The load/speed control loop with time-varying delay is transformed into a class of switching system by augmenting the state variable and selecting the change of time delay as the switching signal. By using the norm correlation lemma, a necessary and sufficient condition to ensure the stability of the load/speed control loop with time-varying delay is derived and the stability verification algorithm is given. The hardware-in-the-loop simulation is carried out based on the domestic heavy-duty gas turbine NuCON control system. The results of this study can provide theoretical references for the design and parameter adjustment of heavy-duty gas turbine control system.

heavy-duty gas turbine  /  time-delay  /  stability  /  hardware-in-the-loop
Yang SU, Yuanye CHEN, Yajuan LIU. Delay stability analysis of heavy-duty gas turbine control loop[J]. Thermal Power Generation, 2024 , 53 (3) : 110 -116 . DOI: 10.19666/j.rlfd.202312171
Funding
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  • National Natural Science Foundation of China(62103144)
  • National Aero-engine and Gas Turbine Major Project Basic Research(2017-V-0010-0061)
Appendix
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Year 2024 volume 53 Issue 3
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86
37
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Article Info
doi: 10.19666/j.rlfd.202312171
  • Receive Date：2023-12-08
  • Online Date：2025-12-31
  • Published：2024-03-25
Article Data
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History
  • Received：2023-12-08
Funding
National Natural Science Foundation of China(62103144)
National Aero-engine and Gas Turbine Major Project Basic Research(2017-V-0010-0061)
Affiliations
    School of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202312171
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