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Abstract
Considering the inherent characteristics of the park heating load, such as transmission delay, fuzzy heating comfort, etc., it can be used as a flexible load to participate in the optimal scheduling. Aiming at the minimum operation cost of the integrated energy system in the park, a collaborative optimal scheduling model of the park's integrated energy system with the participation of comprehensive demand response of electric heating load is constructed. The simulation results show that, compared with the optimization results of traditional power demand response, the application of integrated demand response of electric heating load improves the flexibility of production of cogeneration units in the park, reduces the total energy consumption cost of demand side users and the operation cost of the system on the premise of ensuring the balance of supply and demand of the system, improves the energy utilization efficiency, and realizes the environmental protection and economy of the system function.
Highlights
In recent years, the integrated energy system of cogeneration Park, represented by micro gas turbine, uses natural gas for power supply
The comprehensive demand response model of electric heating load is established, and it is involved in the optimal operation of comprehensive energy system in the park
The advantages of comprehensive demand response of electric heating load are proved by an example
Summary
The integrated energy system of cogeneration Park, represented by micro gas turbine, uses natural gas for power supply. In reference [5,6], considering the wind abandonment penalty cost and demand response cost, the dispatch model of combined electric heating system was established with the minimum operation cost of power generation, which effectively improved the wind power consumption. The comprehensive demand response model of electric heating load is established, and it is involved in the optimal operation of comprehensive energy system in the park. The optimization objectives include the cost of natural gas produced and consumed by gas turbine in cogeneration, the cost of natural gas consumed by gas-fired boiler, the cost of purchasing electricity from power grid The new energy abandonment cost and the operation and maintenance cost of each equipment unit. P min i are the minimum and maximum values of the output of the I th micro power source
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