RESEARCH ON HIERARCHICAL SCHEDULING STRATEGY OF USER SIDE FLEXIBLE ENERGY USE BASED ON DEMAND RESPONSE
Enhancing grid stability and supply-demand balance through demand response programs and flexible dispatch of building energy use.The energy-use scheduling strategy is designed based on the photovoltaic(PV)power generation,energy storage equipment,and ground source heat pump(GSHP)system of a small office building.Two parameters are introduced to quantify the potential of flexible energy use in the building,and a building energy-use management module is developed based on the three prioritized principles of maximizing the PV utilization,prioritizing the user's immediate needs,and storing energy at the time of low electricity price.The module is applied in TRNSYS to build a case 3 with a useful energy scheduling strategy in comparison with two reference cases.The results show that the system operating costs are reduced by 65.4%and 56.7%,respectively,within one heating season;the average value of COP for the operation of the ground source heat pump unit is increased from 3.97 to 4.22;and the average daily load transfer rate of the building is as high as 51.38%.Under the market mechanism of peak and valley tariffs,it is of great significance to tap the potential of flexible energy use in buildings,incentivize users to adopt demand response programs and improve grid stability.
renewable energydemand responseelectric load dispatchingenergy storageflexible energy use
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维普
