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Power grid expansion planning method considering flexible adjustment capability of system

A technology of regulation capacity and power grid, applied in the field of power system, can solve the problems of uncertainty and increased volatility of distribution network

Pending Publication Date: 2022-03-18
NINGBO ELECTRIC POWER DESIGN INST
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The large-scale access of distributed power sources and the rapid development of user loads have increased the uncertainty and volatility of the distribution network, resulting in a large number of complex operating scenarios

Method used

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  • Power grid expansion planning method considering flexible adjustment capability of system
  • Power grid expansion planning method considering flexible adjustment capability of system
  • Power grid expansion planning method considering flexible adjustment capability of system

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Embodiment Construction

[0048]The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

[0049] Such as figure 1 As shown, a power grid expansion planning method that takes into account the flexible adjustment capability of the system, its basic implementation process includes the following detailed steps:

[0050] Step 1. Establish the objective function of the grid expansion planning model taking into account the flexible adjustment capability of the system.

[0051] T...

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Abstract

The invention relates to a power grid extension planning method considering the flexible adjustment capability of a system, and the method comprises the steps: building a function block power distribution network extension planning model containing a distributed power supply and an energy storage system through considering the utilization of demand side response and flexible resources of the energy storage system; the problem of limited operation is solved by using various active power distribution network management means in the scene that the output of the distributed power supply is seriously not matched with the load, and the acceptance capability of the power distribution network to the distributed power supply can be effectively improved.

Description

technical field [0001] The present invention relates to the technical field of electric power system, and more specifically, relates to a power grid expansion planning method taking into account the flexible adjustment capability of the system. Background technique [0002] The large-scale access of distributed power sources and the rapid development of user loads have increased the uncertainty and volatility of the distribution network, resulting in a large number of complex operating scenarios. The distribution network planning method that only considers typical scenarios ignores potential scenarios with limited operation and low probability of occurrence. Such scenarios cannot be predicted in advance. The most fundamental solution is to incorporate all complex operating scenarios into the planning scenario set. This method is difficult to solve, and some scenarios are limited or have a small probability of occurrence. When planning for more extreme operating scenarios, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/18G06F111/04G06F113/04
CPCG06F30/18G06F2113/04G06F2111/04
Inventor 汪雅静刘畅陈昌铭康家乐王波岑银伟张帅张志刚江涵宋弘亮虞殷树贺旭
Owner NINGBO ELECTRIC POWER DESIGN INST
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