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TECHNICAL PAPERS: Gas Turbines: Cycle Innovations

Transient Analysis of and Control System for Advanced Cycles Based on Micro Gas Turbine Technology

[+] Author and Article Information
Alberto Traverso, Federico Calzolari, Aristide Massardo

TPG-DiMSET, Università di Genova, Genova, Italy

J. Eng. Gas Turbines Power 127(2), 340-347 (Apr 15, 2005) (8 pages) doi:10.1115/1.1839918 History: Received October 01, 2002; Revised March 01, 2003; Online April 15, 2005
Copyright © 2005 by ASME
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References

Figures

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Scheme of the fuel valve
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Simple and recuperated cycle response to a load step decrease of 25%: rotational speed and fractional opening of fuel valve versus time
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EFmGT pilot plant: main regulation valves
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CBC: off-design performance with different parameter variations
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EFmGT: shaft response to different load step increases (starting from 50 kW)
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EFmGT: response to a load step decrease (Case II, Table 2)
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EFmGT: bypass valve FO response to a load step increase (Case I, Table 2): two different gains (K) of the fuel valve PI have been considered
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EFmGT: Rec II response to a load step increase (Case I, Table 2). Exhaust and recuperator metallic matrix temperatures are recorded against time.
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EFmGT: bypass valve FO response to a load step decrease (Case II, Table 2)
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EFmGT: Rec II response to a load step decrease (Case II, Table 2). Exhaust and recuperator metallic matrix temperatures are recorded against time.
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EFmGT: bypass valve and shaft response to a load ramp (+0.01 kW/s) from 40 kW to 43 kW (PI gain K=0.005, unstable)
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EFmGT: bypass valve and shaft response to a load ramp (+0.01 kW/s), from 40 kW (PI gain K=0.005, unstable)
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CBC: sample variation of sink temperature during the orbit (Tsk)
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CBC: percentage variation of the main parameters during the orbit
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CBC: mass exchange between the cycle and the mass accumulator during the orbit
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CBC: instantaneous heat flow rate (kW) and integral heat (kJ) supplied by the receiver during the orbit
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CBC: percentage variation of the main parameters during the orbit (accident: delayed motion of the control valves)

Tables

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