Dynamic Optimization of Startup and Load-Increasing Processes in Power Plants—Part II: Application-Reference-Cited by-同舟云学术

Dynamic Optimization of Startup and Load-Increasing Processes in Power Plants—Part II: Application

Published:1999-12-29 Issue:1 Volume:123 Page:251-254
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Bausa J.¹,Tsatsaronis G.¹

Affiliation:

1. Institute for Energy Engineering, Technical University of Berlin, Marchstrasse 18, 10587 Berlin, Germany

Abstract

In the first part of this study, a general method for solving dynamic optimization problems has been presented: the dynamic process model, consisting of first-order ordinary differential equations (ODEs) and algebraic equations, is discretized over the time horizon using well established methods for the solution of ODEs. The discretized system is then treated as large-scale non-linear parameter optimization problem. This transformation is implemented in a user-friendly software package. An application of this software is demonstrated in the present paper by optimizing the process of rapid load-increase in a single-pressure combined-cycle power plant. The power plant is described with a simplified model that consists of 18 first order ordinary differential equations and 67 algebraic equations. For this model a time-optimal operation associated with a load increase from 50 percent to 75 percent of base load is calculated by considering given restrictions on some temperature gradients.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/123/1/251/5746481/251_1.pdf

Reference5 articles.

1. Bausa, J., and Tsatsaronis, G., 2001, “Dynamic Optimization of Start-Up and Load-Increasing Processes in Power Plants: Part I—Method,” ASME J. Eng. Gas Turbines Power, 123, pp. 246–250.

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