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W. Elsner, Ł. Kowalczyk, M. Marek (2012)
Numerical thermodynamic optimization of supercritical coal fired power plant with support of IPSEpro softwareArchives of Thermodynamics, 33
Optimization Toolbox for use with MATLAB. User's Guide Version 2. The Math Works
Henryk łukowicz, S. Dykas, S. Rulik, K. Stępczyńska (2011)
Thermodynamic and economic analysis of a 900 MW ultra-supercritical power unitArchives of Thermodynamics, 32
(2009)
Optimization. Selected Methods with Examples
SimTech Simulation Technology: IPSEpro Proces Simulation Environment
Optimization Toolbox for use with MATLAB . User ’ s Guide Version 2
(2010)
Nelder-Mead user’s Manual
S. Kjaer, Frank Drinhaus (2010)
A Modified Double Reheat Cycle
(2009)
Simplex Algorithms for Nnonlinear Constraint Optimization Problems
(2013)
The selection and analysis of the technological structure of 50+ power unit using thermodynamic criterion
(2011)
Thermodynamic and economic analysis of a 900 MW ultra-supercritical power plant
(2011)
Innovative coal technologies to reduce CO2 emissions
Abstract The paper presents a thermodynamic optimization of 900MW power unit for ultra-supercritical parameters, modified according to AD700 concept. The aim of the study was to verify two optimisation methods, i.e., the finding the minimum of a constrained nonlinear multivariable function (fmincon) and the Nelder-Mead method with their own constrain functions. The analysis was carried out using IPSEpro software combined with MATLAB, where gross power generation efficiency was chosen as the objective function. In comparison with the Nelder-Mead method it was shown that using fmincon function gives reasonable results and a significant reduction of computational time. Unfortunately, with the increased number of decision parameters, the benefit measured by the increase in efficiency is becoming smaller. An important drawback of fmincon method is also a lack of repeatability by using different starting points. The obtained results led to the conclusion, that the Nelder-Mead method is a better tool for optimisation of thermal cycles with a high degree of complexity like the coal-fired power unit.
Archives of Thermodynamics – de Gruyter
Published: Dec 1, 2013
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