Combined Heat and Power Dynamic Economic Dispatch with Emission Limitations Using Hybrid DE-SQP Method | Zendy

A. M. Ełaiw | Zendy; Xiaohua Xia | Zendy; A. M. Shehata | Zendy

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Combined Heat and Power Dynamic Economic Dispatch with Emission Limitations Using Hybrid DE-SQP Method

Author(s) -

A. M. Ełaiw,

Xiaohua Xia,

A. M. Shehata

Publication year - 2013

Publication title -

abstract and applied analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.228

H-Index - 56

eISSN - 1687-0409

pISSN - 1085-3375

DOI - 10.1155/2013/120849

Subject(s) - sequential quadratic programming , economic dispatch , mathematical optimization , schedule , mathematics , differential evolution , dynamic programming , point (geometry) , power (physics) , quadratic programming , electric power system , computer science , physics , quantum mechanics , operating system , geometry

Combined heat and power dynamic economic emission dispatch (CHPDEED) problem isa complicated nonlinear constrained multiobjective optimization problem with nonconvexcharacteristics. CHPDEED determines the optimal heat and power schedule of committedgenerating units by minimizing both fuel cost and emission simultaneously under ramp rateconstraints and other constraints. This paper proposes hybrid differential evolution (DE) andsequential quadratic programming (SQP) to solve the CHPDEED problem with nonsmooth andnonconvex cost function due to valve point effects. DE is used as a global optimizer, and SQPis used as a fine tuning to determine the optimal solution at the final. The proposed hybridDE-SQP method has been tested and compared to demonstrate its effectiveness

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