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Method for evaluating power supply capability of regional power distribution network under electricity distribution and sale competition situation

A technology with power supply capability and maximum power supply capability, applied in the direction of power network operating system integration, photovoltaic power generation, electrical components, etc. The effect of the economical operation of the distribution network

Active Publication Date: 2021-11-02
STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Under the trend of rapid load growth, the optimization of distribution network usually focuses on ensuring the reliability of power consumption, but ignores the improvement of the utilization efficiency of power distribution equipment and the overall economic and social benefits.

Method used

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  • Method for evaluating power supply capability of regional power distribution network under electricity distribution and sale competition situation
  • Method for evaluating power supply capability of regional power distribution network under electricity distribution and sale competition situation
  • Method for evaluating power supply capability of regional power distribution network under electricity distribution and sale competition situation

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Embodiment Construction

[0106] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0107] A method for evaluating the power supply capacity of a regional distribution network under the situation of power distribution competition, comprising the following steps:

[0108] Step 1: Construct a multi-objective optimization model that comprehensively considers the maximum power supply capacity of the distribution network and the operation economy of the distribution network;

[0109] Step 2: Construct model constraints under the comprehensive consideration of distributed power sources and flexible loads participating in power market transactions;

[0110] Step 3: Introduce the Pareto front to convert the multi-objective function into a series of single-objective functions, and solve the Pareto optimal solution of the multi-objective nonlinear optimization model.

[0111] In this embodiment, step 1 can be implemented by the fol...

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Abstract

The invention discloses a method for evaluating power supply capability of a regional power distribution network under electricity distribution and sale competition situation. The method comprises the following steps: 1) constructing a multi-objective optimization model comprehensively considering the maximum power supply capability of the power distribution network and the operation economy of the power distribution network; 2) constructing a model constraint condition under the condition of comprehensively considering the participation of the distributed power supply and the flexible load in the power market transaction; and 3) introducing a Pareto leading edge to convert the multi-objective function into a series of single-objective functions, and solving a Pareto optimal solution for a multi-objective nonlinear optimization model. According to the method, the maximum power supply capacity of the power distribution network and the operation economy of the power distribution network are achieved, and while the multi-objective optimization model is provided, the invention further provides a solving algorithm which can effectively solve the model and is based on the Pareto leading edge.

Description

technical field [0001] The invention belongs to the field of distribution network optimization dispatching, and specifically relates to a method for evaluating the power supply capacity of a regional distribution network under the competition situation of distribution and sale of electricity. Background technique [0002] In recent years, with the construction of widespread sensor communication equipment and multi-directional shared data services by power grid companies, it has provided a basis for fine management and interaction of loads. Flexible load will become a new element that must be dealt with in distribution network planning. Under the trend of rapid load growth, the optimization of distribution network usually focuses on ensuring the reliability of power consumption, but ignores the improvement of the utilization efficiency of power distribution equipment and the overall economic and social benefits. The effective use of flexible loads will significantly improve ...

Claims

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Application Information

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IPC IPC(8): H02J3/48H02J3/50H02J3/14H02J3/32
CPCH02J3/48H02J3/50H02J3/144H02J3/32H02J2300/24H02J2300/28H02J2203/20H02J2203/10H02J2310/64Y02E10/56Y02B70/3225Y04S20/222Y04S10/50
Inventor 钱仲豪茅雷张骏袁松吴茜李伟伦毛艳芳
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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