Parks usually involve the production

conversion and use of various energy flows

such as cold

heat

and electricity. By utilizing the combined cooling heating and power(CCHP)system

the energy efficiency can be improved effectively and the energy supply pressure can also be eased. Considering that the market demand will influence the energy price of electricity under the real-time price mechanism

there exists the game competition among different stakeholders. Accordingly

a non-cooperative game model for multiple parks with CCHP system is established

in which the target of each park is to minimize the daily operation cost considering the constraints for power output of CCHP system and storage equipment. The proposed model can realize the collaborative optimization of various energy flows. Finally

the coordinated optimization control of three parks in a certain area is taken as an example. The simulation result shows that the model can allocate CCHP system output and purchase power reasonably

and daily operation cost of parks and peak-valley difference of power system will also be reduced.