Abstract

An energy optimizing operation model of BCHP distributed energy supply system is proposed in this paper. The objective function and its constraint conditions are determined so as to minimize the total cost. Not only the cooperation between BCHP and electric air conditioner, but also the influence of spot price of electricity is considered in this model. According to the demand forecast of cooling, heating and power load, operation schemes of some different typical days of BCHP system are optimized. Improved particle swarm optimization algorithm is adopted to solve the energy optimizing operation model for BCHP. Taken an actual commercial building as an example, this paper makes a comparison between BCHP system and separate supply system under the condition that electricity micro turbine generated is allowed to be sold to utility.

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