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Economic dispatching method for energy station containing building virtual energy storage under demand response mechanism

A demand response and virtual energy storage technology, applied in resources, data processing applications, instruments, etc., can solve problems such as not taking into account the difference in physical comfort

Active Publication Date: 2019-11-12
TIANJIN UNIV
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  • Application Information

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Problems solved by technology

Someone built a demand response model for price-based heating loads to participate in optimal scheduling, and someone proposed an energy management strategy based on user-inspired cooling and heating load demand response mechanisms, but the above methods did not take into account the difference in physical comfort of users at different temperatures

Method used

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  • Economic dispatching method for energy station containing building virtual energy storage under demand response mechanism
  • Economic dispatching method for energy station containing building virtual energy storage under demand response mechanism
  • Economic dispatching method for energy station containing building virtual energy storage under demand response mechanism

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specific example

[0135] The following is an example of an integrated energy station in a park in the south. There are 11 independent buildings in the park, all of which are four stories high, each floor is 3m high, and each building covers an area of ​​about 400m 2 . The building wall is a composite wall composed of polystyrene board and heavy sand brick wall. The relevant building parameters are shown in Table 1 and Table 2. The equipment composition of the energy station in the park is as mentioned above, and the parameters of each equipment are shown in Table 3. The price of electricity sold by the power company is shown in Table 4. The price of natural gas is 4.57 yuan / m3, and the price of cooling sold by the energy station to users is 0.2 yuan / kWh. User subsidy coefficient α 1 3%, α 2 5%. For user load demand curves, outdoor temperature curves and solar radiation curves in the park, see figure 2 , image 3 . The set temperature is 26°C, and the indoor temperature can fluctuate wit...

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Abstract

The invention discloses an economic dispatching method for an energy station containing building virtual energy storage under a demand response mechanism, and the method comprises the steps: buildinga building virtual energy storage model based on a building heat balance theory, wherein the building virtual energy storage model comprising an indoor air heat balance model, an enclosure structure heat balance model and a building virtual energy storage power mathematic model; and establishing an economic dispatching model of the energy station under a demand response mechanism, wherein the economic dispatching model comprises a demand response mechanism of a user cooling and heating load, an objective function of maximizing the overall operation income of the energy station and constraint conditions for energy balance and indoor temperature comfort. The equipment output of the energy station can be effectively optimized, the benefit sharing between the energy station and the user is realized, the support is provided for the efficient and economic operation of the existing comprehensive energy station to a greater extent, and the method has certain guiding significance in the actualcomprehensive energy system scheduling control.

Description

technical field [0001] The invention relates to an economic scheduling method of an energy station. In particular, it relates to an economic scheduling method for energy stations with building virtual energy storage under the demand response mechanism applicable to the formulation of operation scheduling schemes for integrated energy systems. Background technique [0002] The integrated energy system refers to the integrated system of production, supply and marketing formed after the organic coordination and optimization of energy generation, conversion, storage, consumption and other links in the process of planning, construction and operation. The energy station is an important hub of the comprehensive energy system, which can improve the system energy supply and demand coordination ability through multi-energy complementarity and integrated optimization. In order to meet the energy supply within the service area and realize the safe and energy-saving operation of energy,...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q10/04G06Q50/06
CPCG06Q10/06315G06Q50/06G06Q10/04
Inventor 刘洪刘静仪葛少云李吉峰张群华
Owner TIANJIN UNIV
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