制冷技术2025，Vol.45Issue(1)：27-33,7.DOI:10.3969/j.issn.2095-4468.2025.01.105
变频离心式冷水机组系统建模及优化控制
Modeling and Optimal Control of Variable Frequency Centrifugal Chiller System
曾远航 1张孙阳 1包金哲1
作者信息
- 1. 南京磁谷科技股份有限公司,江苏 南京 211153
- 折叠
摘要
Abstract
The model of variable frequency centrifugal chiller and central air conditioning water system is established based on actual operation data.The research of different proportional-integral-derivative(PID)control algorithm for variable speed centrifugal chiller is carried out through dynamic simulation programs,which includes positional PID control,incremental PID control and incremental PID feedforward control.The impact of different control algorithms on water temperature overshoot and stabilizing time of the system is studied.The results show that incremental PID control algorithm can reduce the overshoot to 0 and shorten the regulating time by 20%compared with the positional PID control algorithm,it's more suitable for variable speed centrifugal chillers.Compared with the algorithm without feedforward control,the feedforward control algorithm can suppress the impact of disturbances,reduce maximum overshoot by 10%and shorten regulating time by 12.5%,it makes the water system more stable.关键词
离心式冷水机组/空调水系统/比例积分微分控制/前馈控制Key words
Centrifugal chiller/Air conditioning water system/Proportional-integral-derivative control/Feedforward control分类
通用工业技术引用本文复制引用
曾远航,张孙阳,包金哲..变频离心式冷水机组系统建模及优化控制[J].制冷技术,2025,45(1):27-33,7.
