电力系统机组组合问题的模型与优化方法

doi:10.15960/j.cnki.issn.1007-6093.2020.02.007

Abstract

Abstract: Unit commitment problem is an important part of the power system, which can often be modeled as a high-dimensional mixed integer programming problem. This paper aims to systematically collect and analyze the frontier work of UC modeling and optimization methods, including part of the work of the author and his collaborators. This paper firstly gives the mathematical model of UC problem, and deeply analyzes the basic principles for solving UC problems and the research results obtained are discussed. And the UC extension problem (including valve-point effect, hydraulic power generation and optimal power flow) were discussed and analyzed. Finally, this paper discusses the development direction of UC in the smart grid environment, puts forward the problems that need to be studied and solved (such as multi-energy flow, stochastic factors, deep learning, etc.), so as to provide reference for research of UC.

Key words: power system, unit commitment, UC model, optimization method

CLC Number:

TM73

JIAN Jinbao, YANG Linfeng, ZHANG Chen. The models and optimization method for power system unit commitment problems[J]. Operations Research Transactions, 2020, 24(2): 87-102.

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The models and optimization method for power system unit commitment problems

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