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Building Science. 2021, (10) Core

Development and Validation of a New Electric Current Defrosting Control Method of Air-source Heat Pump Based on the Optimal Defrosting Control PointChinese Full TextEnglish Full Text (MT)

LUO Qing;SUN Yuying;WANG Wei;ZHAO Jihan;LI Yaoquan;Department of Urban Construction,Beijing University of Technology;Beijing Key Laboratory of Green Building Environment and Energy Saving Technology;Jiangsu Simpsun New Energy Co.,Ltd.;

Abstract: The electric current of outdoor fan of air-source heat pump varies with frosting degree of evaporator,and adopting indirect electric current measurement of frost has advantages of low cost,sensitivity and easy application.This paper aims at developing a high efficient defrosting control method that is suitable for engineering application,and carrying on a research of a new electric current defrosting control method of air-source heat pump. Firstly,via the tests in climatic chamber,systematically... More
Keywords：

air-source heat pump; defrosting control; fan current; judgement of working condition; optimal defrosting control point;

  • DOI：

    10.13614/j.cnki.11-1962/tu.2021.10.08

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc

  • Subject：

    Architecture and Engineering

  • Classification Code：

    TU83

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