Energy-saving optimization control method and device for central air-conditioning water system

The invention relates to the field of energy conservation of central air-conditioning water systems, in particular to an energy-saving optimization control method and device for a central air-conditioning water system. The method comprises the following steps: acquiring operation data of the central air-conditioning water system, fitting energy consumption models of a water chilling unit, a chilled water pump, a cooling water pump and a cooling tower, and then determining an optimal control model and constraint conditions of the central air-conditioning water system; an intelligent optimization algorithm which is high in convergence speed, high in global search capability and capable of jumping out of local optimum is provided, the operation parameters of the central air-conditioning water system are optimized, and the purpose of saving energy is achieved. 本发明涉及中央空调水系统节能领域，特别涉及一种中央空调水系统节能优化控制方法及装置。本发明通过对中央空调水系统的运行数据进行采集，拟合冷水机组、冷冻水泵、冷却水泵和冷却塔的能耗模型，然后确定中央空调水系统优化控制模型和约束条件，提出了一种收敛速度快、全局搜索能力强以及可以跳出局部最优的智能优化算法，对中央空调