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High-proportion renewable energy source park power distribution system optimization planning method and system

A renewable energy and power distribution system technology, applied in the direction of genetic rules, electrical components, circuit devices, etc., can solve the problem of ignoring the influence of the system, the large difference in power grid operation, and the intermittent and randomness of power generation output without renewable energy. Internal and other problems, to avoid system overvoltage, improve the effect of receiving capacity

Active Publication Date: 2022-06-28
TERMINUSBEIJING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it does not take into account the intermittent and randomness of renewable energy power generation output, and ignores its specific impact on the system, resulting in a large difference from the actual grid operation

Method used

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  • High-proportion renewable energy source park power distribution system optimization planning method and system
  • High-proportion renewable energy source park power distribution system optimization planning method and system
  • High-proportion renewable energy source park power distribution system optimization planning method and system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] This embodiment provides an optimal planning method for a power distribution system in a park with a high proportion of renewable energy, such as figure 1 shown, including the following steps:

[0063] S1. Investigate the current network structure of the active distribution network containing renewable energy power stations in the park, and obtain the number of nodes and node positions of the active distribution network, as well as the access node positions of the renewable energy power stations;

[0064] S2. According to the influence of the power flow caused by the connection of the renewable energy power station to the active distribution network, through the optimization and analysis of the power flow model, the optimal access node position of the renewable energy power station is obtained;

[0065] S3, using the optimal access node position of the renewable energy power station to optimize the configuration of the network structure of the active distribution networ...

Embodiment 2

[0114] This embodiment provides an optimization planning system for a park power distribution system with a high proportion of renewable energy, such as figure 2 shown, including:

[0115] The device 1 for obtaining the node position of the active distribution network is used to investigate the current network structure of the active distribution network containing the renewable energy power station in the park, to obtain the number of nodes and the node position of the active distribution network, as well as the position of the renewable energy power station. access node location;

[0116] The node position optimization device 2 is used to obtain the optimal access node position of the renewable energy power station through the optimization analysis of the power flow model according to the influence of the power flow caused by the connection of the renewable energy power station to the active distribution network;

[0117] The active distribution network optimization planni...

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Abstract

The invention discloses a high-proportion renewable energy source park power distribution system optimization planning method and system, and relates to the technical field of renewable energy source optimization power distribution, and the method comprises the steps: carrying out the investigation of a current network structure of an active power distribution network containing a renewable energy source power station in a park, and obtaining the node number and node positions of the active power distribution network, and the access node position of the renewable energy power station; obtaining an optimal access node position of the renewable energy power station through power flow model optimization analysis according to a power flow influence generated when the renewable energy power station accesses the active power distribution network; and utilizing the optimal access node position of the renewable energy power station to optimally configure the network structure of the active power distribution network to obtain the optimal planning of the park power distribution system. According to the invention, the influence caused by the access of renewable energy power generation to the active power distribution network can be effectively reduced, the acceptance capability of the active power distribution network to the renewable energy power generation is improved, and the problems of system overvoltage, power reverse transmission and the like are effectively avoided.

Description

technical field [0001] The invention relates to the technical field of optimal power distribution of renewable energy, in particular to a method and system for optimal planning of a power distribution system in a park with a high proportion of renewable energy. Background technique [0002] Energy is an indispensable part of human survival and social development. With the continuous growth of electricity demand, the deepening of traditional energy shortages, and the increasingly prominent environmental problems, the development of renewable energy power generation technology has achieved great success. Broad support. The connection of renewable energy power generation to the distribution network has a positive effect on saving energy and reducing carbon emissions. However, when the power generation of renewable energy accounts for 20%-30% of the total power generation of various power sources, the intermittent and randomness of renewable energy power generation output will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06G06N3/12H02J3/00
CPCG06Q10/04G06Q50/06G06N3/126H02J3/00H02J2203/10Y04S10/50
Inventor 李启娟
Owner TERMINUSBEIJING TECH CO LTD
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