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Power distribution network day-ahead scheduling method and device considering carbon cost and multiple uncertainty

A technology of uncertainty and scheduling method, which is applied in the direction of circuit device, AC network voltage adjustment, and power generation forecast in AC network, etc., can solve the problem of lack of optimal dispatching scheme of distribution network considering carbon cost, unfavorable source-load matching, Issues such as the "double carbon" goal of new energy consumption carbon emissions, to achieve the effect of improving utilization efficiency, improving load curves, and reducing carbon emissions

Pending Publication Date: 2022-06-07
THE ACAD OF TIANJIN UNIV HEFEI +1
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Problems solved by technology

[0006] However, there is still a lack of a day-ahead optimal scheduling plan for distribution networks that takes carbon costs into account and considers multiple uncertainties, which is not conducive to promoting source-load matching, new energy consumption, and reducing carbon emissions and the realization of the "double carbon" goal.

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  • Power distribution network day-ahead scheduling method and device considering carbon cost and multiple uncertainty
  • Power distribution network day-ahead scheduling method and device considering carbon cost and multiple uncertainty
  • Power distribution network day-ahead scheduling method and device considering carbon cost and multiple uncertainty

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Embodiment Construction

[0064] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the present invention. examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0065] like Figure 1 to Figure 2 As shown, an embodiment of the present invention proposes a day-ahead scheduling method for a distribution network that considers carbon costs and multiple uncertainties, and the method includes the following steps:

[0066] S10. Use a column and constraint generation algorithm to solve the day-ahead economic dispatch model, and obtain...

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Abstract

The invention discloses a power distribution network day-ahead dispatching method and device considering carbon cost and multiple uncertainties, and belongs to the technical field of power systems and automation. The method comprises the steps that a column and constraint generation algorithm is adopted to solve a day-ahead economic dispatching model, and a solving result is obtained; the day-ahead economic dispatching model takes comprehensive minimization of user electricity purchase cost, demand response cost and carbon cost as a target function, constraint conditions are power balance constraint, demand response constraint and uncertainty constraint, and optimization variables are demand response participating positions, demand response power, response moments and time lengths and deviation variables; and formulating a day-ahead economic dispatching plan according to a solving result. According to the method, the optimal scheduling scheme can be obtained under the condition that the system meets the power balance constraint, the demand response constraint and the uncertainty constraint by adopting the day-ahead economic scheduling model considering the carbon cost and the multiple uncertainties.

Description

technical field [0001] The invention relates to the technical field of electric power systems and automation thereof, in particular to a method and device for day-ahead dispatching of a distribution network considering carbon cost and multiple uncertainties. Background technique [0002] Under the "dual carbon" goal, the proportion of new energy has increased significantly, and distributed power generation resources represented by photovoltaics have been applied on a large scale. However, the output of photovoltaics is random and uncertain, with obvious timing characteristics. There is a mismatch. Demand response can reduce the power purchase cost and the corresponding carbon cost of the distribution network during peak hours by shifting the load, and at the same time promote the consumption of new energy. However, demand response also has certain uncertainties. [0003] In the related art, the invention patent application with the application number of 202011579268.7 discl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/46H02J3/14
CPCH02J3/003H02J3/004H02J3/466H02J3/144H02J2203/10H02J2203/20H02J2300/24Y04S10/50
Inventor 刘洪侯亭玉谢继勇
Owner THE ACAD OF TIANJIN UNIV HEFEI
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