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A method and a system for balancing a comprehensive energy market in an industrial park

A comprehensive energy and industrial park technology, applied in the energy industry, resources, sustainable manufacturing/processing, etc., can solve the problems of not being able to meet the user's energy demand, not being able to improve energy utilization rate, not being able to effectively save user's cost, etc.

Inactive Publication Date: 2019-06-21
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the access of new energy to the power distribution system has a certain significance in reducing emissions, it cannot meet all the energy needs of users. In addition, previous studies on the bidding of the Cournot game have constructed the relationship between power generators and users through the relationship between supply and demand. The game relationship between the supply and demand curves follows economic principles, and the monotonicity remains unchanged. This method cannot effectively save user costs, nor can it improve energy utilization.

Method used

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  • A method and a system for balancing a comprehensive energy market in an industrial park
  • A method and a system for balancing a comprehensive energy market in an industrial park
  • A method and a system for balancing a comprehensive energy market in an industrial park

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Embodiment 1

[0064] figure 1 It is a schematic flow chart of the balancing method of the comprehensive energy market in the industrial park in the embodiment of the present invention, such as figure 1 As shown, the method for balancing the comprehensive energy market of the industrial park provided in this embodiment includes the following steps:

[0065] Step 101: Based on the peak-shaving task of the power grid company and the double-sided thermoelectric coupling between the system side and the user side of the park, a peak-shaving pricing compensation model based on the comprehensive energy market of the industrial park is constructed; the expression of the peak-shaving pricing compensation model is in, is the compensation electricity price in the hth time period; er h is the peak-shaving contribution of the user in the hth time period, [pts, pte] is the non-limit time interval; n is the number of users; is the electric load reduction amount of the i-th user in the h-th time per...

Embodiment 2

[0100] 1. Thermoelectric coupling model on the park system side and user side

[0101] (1) The thermoelectric coupling model on the park system side is:

[0102] in, is the thermal output of CHP in the hth time period, is the electrical output of CHP in the hth time period, η chp is the electrical efficiency, η loss is the heat loss coefficient, δ heat is the thermal coefficient, θ is the thermoelectric ratio of CHP, is the upper limit of CHP heat output, and T is the scheduling cycle time.

[0103] (2) The thermoelectric coupling model on the user side is:

[0104] in, is the increaseable heat load declared by the i-th user in the h-th time period, and There is a physical coupling relationship, is the coupling coefficient, and n is the number of users.

[0105] 2. The peak-shaving strategy of the comprehensive energy system in the industrial park

[0106] (1) According to the thermoelectric coupling model on the system side of the park, construct the ...

Embodiment 3

[0192] image 3 It is a schematic structural diagram of a balanced system of an industrial park comprehensive energy market in an embodiment of the present invention, such as image 3 As shown, the equalization system of this embodiment includes:

[0193] The peak-shaving pricing compensation model construction module 100 is used to construct a peak-shaving pricing compensation model based on the comprehensive energy market of the industrial park based on the peak-shaving task of the power grid company and the double-sided thermoelectric coupling between the park system side and the user side; The expression of the peak pricing compensation model is in, is the compensation electricity price in the hth time period; er h is the peak-shaving contribution of the user in the hth time period, [pts, pte] is the non-limit time interval; n is the number of users; is the electric load reduction amount of the i-th user in the h-th time period, Satisfy is the electric load th...

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Abstract

The invention discloses a method and a system for balancing a comprehensive energy market in an industrial park. The method mainly comprises the following steps: constructing a peak clipping and pricing compensation model based on an industrial park comprehensive energy market; secondly, after the research on the cournot game of the power market in the past is referenced, establishing a user benefit model and an interactive game mechanism for multiple subjects in the industrial park, considering double-side thermoelectric coupling of a system side and a user side of the park, incorporating thedouble-side thermoelectric coupling into a game target between users, and constructing a regularized Nikaido-Isoda function and using a distributed relaxation algorithm to solve it optimally, and obtaining the equilibrium point of the integrated energy market. By applying the method and the system, not only can the requirements of all users in the industrial park be met, but also the user cost iseffectively saved, and the utilization rate of energy is improved.

Description

technical field [0001] The invention relates to the technical field of multi-energy power generation systems, in particular to a method and system for balancing the comprehensive energy market in industrial parks. Background technique [0002] Electric utilities face particular challenges in meeting changing consumer load demands. There are at least two related reasons for these challenges. First, electricity demand can fluctuate significantly from day to day or hour to hour, making it difficult for utilities to ensure they have enough capacity to meet demand. These fluctuations in energy demand can be due to daily cyclical energy application patterns (such as peaks in the afternoon), or due to unexpected changes in the balance of energy supply and demand, such as a generator connected to the grid stops working, Large energy consumers go online or offline, or there is a failure in the distribution system. [0003] A second element of the challenge facing utilities is that...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCY02P80/10
Inventor 刘念欧博文
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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