Controlsystem design analysis of coalfired power plant in heating transformation of condensing power unit

Abstract

Abstract:

Abstract:In coal fired power plants,the economic benefits of medium and small sized condensing power units are not as ideal as expected due to existing problems,such as low efficiency,high coal consumption and large scale pollution etc.In addition to the shutdown of medium and small sized cogeneration units,the formed heating gap is in urgent needsto be filled.Therefore,a large number of condensing power units has been transformed to extraction condensing cogeneration units gradually in recent years in order to meet the changing situation.Taking the 2×225 MW+2×300 MW units of a certain power plant as an example and aiming at the problems that exist in the heating transformation of subcritical condensing power units,this paper analyzed the design of control system and control logic and provided corresponding recommendations.

Key words: ">Keywords:coal ">fired power plant, condensing power units, heating transformation, cogeneration, control system

LIU Bing1, GAI Dongfei2. Controlsystem design analysis of coalfired power plant in heating transformation of condensing power unit[J]. Huadian Technology, 2016, 38(1): 22-24.

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Controlsystem design analysis of coalfired power plant in heating transformation of condensing power unit

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