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化工学报  2015 

热泵供暖系统动态操作节能优化

DOI: 10.11949/j.issn.0438-1157.20141763, PP. 2166-2173

Keywords: 动态建模,操作优化,热泵,节能

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Abstract:

采用系统工程的方法优化热泵供暖系统操作,实现节能运行具有重要意义。在建立热泵供暖系统基本动态方程的基础上,给出了考虑室温控制精度和能耗节省的优化操控目标,通过联立求解方法将原微分代数方程优化问题(DAOPs)转化为非线性规划问题,然后对不同目标侧重下的动态操作优化问题进行了分析,并提出了动态调整目标函数权重的优化策略。优化计算结果表明:在室温跟踪误差最大为0.85℃的情况下系统可实现16%以上的节能效果;环境温度和电价对系统操作优化具有重要影响,根据两者的变化特征而动态调整目标函数权重可以进一步降低系统能耗4.7%左右。本研究对热泵供暖系统优化节能控制具有一定的现实意义。

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