Dispatching Characteristics of Regional Integrated Energy System Combined with EVI Air Source Heat Pump and Renewable Energy

Dispatching model of a regional integrated energy system combined with enhanced vapor injection (EVI) air source heat pump (ASHP) and renewable energy is developed and optimized. The energy efficiency of ASHP integrated with EVI is 8.19~42.26% higher than that of traditional heat pump. The summer cooling load performs a variation trend of “convex” shape and achieves a maximum of 810kW at 10:00. In contrast, the changing tendency of winter heating load shows a “concave” shape. The electrical load obtains a peak valley characteristic. Solar energy can satisfy the energy requirement of the users in summer. Meanwhile, the proportion of solar energy supply to users gradually increased, ranging from 28.13% to 86.41 % at 7:00~10:00 and 11:00~14:00. Furthermore, electricity from the grid network is required to meet requirement of users in winter.