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Heating control strategy in fresh air processor matched with variable refrigerant flow air conditioning system
Tu, Qiu1,2; Mao, Shoubo3; Feng, Yuhai3; Guo, Defang3
2011-07-01
Source PublicationENERGY CONVERSION AND MANAGEMENT
Volume52Issue:7Pages:2542-2554
AbstractThe fresh air processor (FAP), matched with the variable refrigerant flow air conditioning system (VRF AC), has been developed. Two control methods were adopted to control the system running and air outlet temperature, contrastively. The first method is that the running frequency in heating mode is adjusted in terms of the ordinary control method of VRF, i.e., constant condensation temperature. The experiment demonstrates the control method is not feasible. For nominal heating under different static pressure and defrosting under 200 Pa static pressure, the system fluctuates frequently. And for high temperature heating, the air outlet temperature far exceeds the target temperature. Furthermore, the control model of variable condensation temperature target has been presented, and the heat transfer correction factor is introduced into the control model. And the control parameters in the model are determined by experiment. The control model is universal for FAPs with different capacities by identifying and choosing the heat transfer correction factor in the control program. For low temperature heating, the method of switching rotation speed of the motor can be adopted to enhance air outlet temperature to 22 degrees C. The control strategy can provide guide for the design and application of FAP. (C) 2011 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordFresh Air Processor Variable Refrigerant Flow Condensation Temperature Heat Transfer Correction Factor Static Pressure
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.enconman.2011.02.007
WOS Subject ExtendedThermodynamics ; Energy & Fuels ; Mechanics ; Physics
WOS KeywordHANDLING UNITS
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS IDWOS:000290508700010
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10380
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
3.Haier Air Conditioning Elect Co Ltd, Qingdao 266510, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Tu, Qiu,Mao, Shoubo,Feng, Yuhai,et al. Heating control strategy in fresh air processor matched with variable refrigerant flow air conditioning system[J]. ENERGY CONVERSION AND MANAGEMENT,2011,52(7):2542-2554.
APA Tu, Qiu,Mao, Shoubo,Feng, Yuhai,&Guo, Defang.(2011).Heating control strategy in fresh air processor matched with variable refrigerant flow air conditioning system.ENERGY CONVERSION AND MANAGEMENT,52(7),2542-2554.
MLA Tu, Qiu,et al."Heating control strategy in fresh air processor matched with variable refrigerant flow air conditioning system".ENERGY CONVERSION AND MANAGEMENT 52.7(2011):2542-2554.
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