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Alternative TitlePrinciples and Control Analysis of Variable Frequency and Double-stage Centrifugal Chiller
董凯军1,2,3; 邵振华1,2,3; 王志强1,2,3; 孙钦1,2,3; 黄祥发1,2,3; 黄志林1,2,3,4
Source Publication流体机械
Other AbstractA variable frequency and double-stage centrifugal chiller using inverter technology, can greatly improve thecoefficient of performance of the part operation load, and the use of the double-stage compression technology, can improve cycle efficiency.Currently, the variable frequency and double-stage centrifugal chiller are widely used in HVAC; structure、 throttle principle and control, oil return methods, equipment cooling methods、surge principle and control on the variable frequency and double-stage centrifugal chiller were described respectively.Electronic expansion valve with control mode of Experience Value uses the calculated value as the control target to adjust the electronic expansion valve;compared with the existing liquid level control mode and the exhaust superheat control mode,the cost of chiller is reduced, and the control reliability is improved.Variable frequency and double-stage centrifugal chiller calculates the current anti-surge frequency,and make the corresponding control to avoid the occurrence of surge phenomenon by comparing with current operating frequency.
Keyword离心 双级 变频 节流 回油 设备冷却 喘振 centrifugal chiller variable frequency double-stage throttle oil return equipment cooling surge
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Document Type期刊论文
Corresponding Author邵振华
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
董凯军,邵振华,王志强,等. 变频双级离心式冷水机组原理及其控制分析[J]. 流体机械,2017,45(6):77-82.
APA 董凯军,邵振华,王志强,孙钦,黄祥发,&黄志林.(2017).变频双级离心式冷水机组原理及其控制分析.流体机械,45(6),77-82.
MLA 董凯军,et al."变频双级离心式冷水机组原理及其控制分析".流体机械 45.6(2017):77-82.
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