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建立带蓄能装置的分布式冷热电联产系统优化运行的数学模型,分析系统应用常规优化方法和敏感性分析法时各设备的运行策略。针对典型案例的分析表明:通过敏感性分析法的应用,可以解明蓄能装置蓄释状态的变化对系统运行策略产生的影响,在没有额外增加系统日运行能耗费用的情况下,蓄能装置可在更稳定的状态下进行蓄能或释能,减少因蓄释能策略大幅度的变化给装置本身带来的负担,有利于延长其使用寿命。
The mathematical model of the optimal operation of the distributed cogeneration system with accumulator is established and the operation strategy of each equipment when the system uses the conventional optimization method and the sensitivity analysis method is analyzed. The analysis of typical cases shows that the application of sensitivity analysis can explain the influence of the change of the storage state of the energy storage device on the operation strategy of the system. Without additional cost of daily energy consumption of the system, the energy storage device Can be stored in a more stable state or release energy to reduce the release of energy-saving strategy for a substantial change to the device itself to bring the burden will help extend its service life.