TECHNICAL PAPERS: Nuclear Engineering

Dynamic Modeling of a Cogenerating Nuclear Gas Turbine Plant—Part II: Dynamic Behavior and Control

[+] Author and Article Information
J. F. Kikstra

P.O. Box 25, 1755 ZG Petten, The Netherlandse-mail: J.F.Kikstra@nrg-nl.com

A. H. M. Verkooijen

Faculty of Mechanical Engineering, Delft University of Technology, P.O. Box 5073, 2600 GA Delft, The Netherlandse-mail: A.H.M. Verkooijen@iri.tudelft.nl

J. Eng. Gas Turbines Power 124(3), 734-743 (Jun 19, 2002) (10 pages) doi:10.1115/1.1426087 History: Received October 01, 2000; Revised April 01, 2001; Online June 19, 2002
Copyright © 2002 by ASME
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Response on “unit” step of manipulated variables under normal operating conditions * bypass valve two +1 percent, ▾ bypass valve three +1 percent, ▴ blower +10 percent, • attemperation valve +30 percent, ★ feedwater pump +10 percent, ▪ deaerator valve +40 percent, ♦ cooling valve +20 percent
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Response to step on blower speed, drawn: at normal operating conditions (point 1), dotted: at operating point 2, dashed: at operating point 3
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Response to step on cooling water valve position, drawn: at normal operating conditions (point 1), dotted: at operating point 2, dashed: at operating point 3
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Dynamic relative gain analysis, * bypass valve 2, ▾ bypass valve 3, ▴ blower, • attemperation valve, ★ feedwater pump, ▪ deaerator valve, ♦ cooling valve
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Control structure of the ACACIA plant
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Results of ACACIA control system test transient
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Optimal operating conditions for different heat and power demands
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Effect on shaft speeds of large and small load reduction
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Load rejection with choked turbomachinery
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Controlled variables and possible manipulated variables
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Shaft speed response on different control actions
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Recuperator temperature profile response on different control actions, dotted: profile before transient, drawn: after transient
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Heat flow response on diff. control actions, upper: heat to primary system in reactor, lower: heat to secondary system




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