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Abstract
.In recent years, the development of new energy has become a bottleneck. As a high-quality demand side response resource that can be flexibly dispatched, thermal load can be used to promote the consumption and utilization of new energy. Based on the theory of peak valley electricity price and power demand response mechanism, this paper designs a demand response model of thermal price type, which uses time-sharing heat price to guide users to use heat orderly on the heating side. The simulation results show that the reasonable setting of heat price and satisfaction constraints of different heating modes can effectively change the heating mode of the user side and alleviate the contradiction between the supply and demand of thermal power, reduce the heating cost and realize the economic operation of the system.
Highlights
In recent years, China's wind power, photovoltaic power generation and other new energy have developed rapidly, and the installed capacity has been expanding.due to the influence of small local consumption space, limited grid structure in some areas and imperfect market mechanism to promote the consumption and utilization of new energy, the problem of wind and light abandonment in "Three North" areas is serious
The thermal load in the "Three North" areas shows the characteristics of high flexibility, fast response and large scale potential, which can be used as highquality power resources to absorb new energy in these areas
It is of great practical significance to establish a reasonable market mechanism, stimulate the enthusiasm of thermal load users to participate in the market, and further tap the value of thermal load response dispatching, which is of great practical significance to solve the problem of abandoning wind and light and promote the construction of domestic power market
Summary
China's wind power, photovoltaic power generation and other new energy have developed rapidly, and the installed capacity has been expanding.due to the influence of small local consumption space, limited grid structure in some areas and imperfect market mechanism to promote the consumption and utilization of new energy, the problem of wind and light abandonment in "Three North" areas is serious. Reference [8] proposed an optimization model of integrated energy system for park microgrid considering the comprehensive demand response of multiple electric heating loads. In the park integrated energy system, with the deepening of electric thermal coupling, thermal demand response has dispatching value, such as industrial heat load, heating load and so on, which have similar energy consumption characteristics with electric load. According to the definition of self elastic coefficient and cross elasticity coefficient of thermal demand response elastic matrix, the heat price elasticity matrix e is obtained as follows: 12. For the price type demand response of thermal users, after the user response in t period, the change of heat consumption power is as follows:
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