Electric-thermal coupling multi-energy flow network node energy price calculation method

A computing method and network node technology, applied in computing, instruments, data processing applications, etc., can solve the problems of deviation from the actual situation, simplification and errors

Inactive Publication Date: 2017-01-18
TSINGHUA UNIV
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Problems solved by technology

At present, there have been a series of research results on the joint cost pricing problem of multi-energy flow networks coupled with electricity and heat, but the researches all try to decouple the electricity pric

Method used

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  • Electric-thermal coupling multi-energy flow network node energy price calculation method
  • Electric-thermal coupling multi-energy flow network node energy price calculation method
  • Electric-thermal coupling multi-energy flow network node energy price calculation method

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Embodiment Construction

[0030] The energy price calculation method of the electricity-thermal coupling multi-energy flow network node proposed by the present invention includes the following steps:

[0031] (1) Establish an objective function for the optimal power flow of an electric-thermal coupled multi-energy flow network, as follows:

[0032] min X i A N C H P ( α 5 , i p G i q G i + α 4 , i q G i 2 + α 3 , i p G i 2 + α 2 , i q G i + α 1 , i p G i + α 0 , i )

[0033] Among them: i is the number of the thermoelectric unit, N CHP Is the number of thermal power units, α 0,i ~α 5,i Is the fuel cost coefficient of the i-th thermal power unit, α 0,i ~α 5,i Obtained from the product manual of the i-th thermal power unit, p Gi , Q Gi Are the electrical output and thermal output of the i-th thermoelectric unit;

[0034] (2) Establish ...

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Abstract

The invention relates to an electric-thermal coupling multi-energy flow network node energy price calculation method, and belongs to the field of the energy market of a comprehensive energy system. According to the method, the coupling relationship of electricity price and heat price in an electric-thermal coupling network is considered, the present situation that joint cost pricing of a thermal-electric joint supply set can only be calculated in a decoupling way can be broken through, and the market interaction mechanism of the electric-thermal coupling system is restored so that the accuracy of marginal cost calculation can be enhanced in comparison with the existing method of respective pricing of the power supply and heat supply systems. Meanwhile, node energy price acts as one of real-time price and compensates the blank of real-time heat price in the heat supply network so that a certain thought is provided for congestion management and network loss allocation of the heat supply network.

Description

Technical field [0001] The invention relates to an energy price calculation method for an electric-thermal coupling multi-energy flow network node, which belongs to the energy market field in a comprehensive energy system. Background technique [0002] With the increasingly severe energy supply, the problems in the use of renewable energy have become prominent. In order to optimize the efficiency of energy use, building a multi-energy flow system has become a new method. In a multi-energy flow system, various forms of energy, such as electricity, gas, cooling, heat, etc., are coupled and interacted in production, transmission, consumption and other links to improve the operating economy of the entire system. In a typical multi-energy flow network, the combined heat and power system has developed the fastest. At present, there have been a series of research results on the joint cost pricing of the electricity-heat coupled multi-energy flow network, but the research attempts to de...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0639G06Q50/06Y02E40/70Y04S10/50
Inventor 孙宏斌郭庆来王彬邓莉荣潘昭光
Owner TSINGHUA UNIV
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