The research on technology of periodic stopping of central air conditioning based on modelling and simulation of demand response

Recent years, the strain of electricity supplying becomes more and more serious, especially in the period of summer electricity peak load. The huge increasing of air conditioning is one of the main reason related to the climbing peak load, so doing research on how to reduce central air conditioning load rationally and effectively has significance towards releasing the conflict between electricity supplying and demanding in the period of peak load. There are three main measures to deal with air conditioning load, first one is ameliorating equipments and using air conditioning which is more effective and saving energy, second one is using ice storage air conditioning to stagger power consumption, third one is pushing the technology of periodic stopping of central air conditioning. Practice has proved that application of the first two measures hasn´t achieved success abroad because of large investment of equipments and long payback period of investment, however, the third one lacks of feasibility analysis of foundation because of its systematization and complexity. This paper designs a experimental scheme of periodic stopping of central air conditioning in office buildings and central business district. Establishing research strategy to the following questions included forecasting air conditioning load, grouping air conditioning units and setting the space of periodic stopping. A controlling mode of air conditioning units which can exchange information between electricity supplying side and demanding side and the operation procedure of optimizing experimental scheme based on uses´ feedback are designed. Then, analyzing and evaluating the influence of cooling quality, the impact of reducing peak load through establishing the model of demand response. At last, simulating the experimental scheme and doing further discussion about the result.