Power distribution network planning method for improving grid connection capability of distributed power supply

Abstract

The invention discloses a power distribution network planning method for improving the grid-connected capability of a distributed power supply. The method comprises the steps: collecting regional data: collecting the data of a power distribution network in an experiment region, and obtaining a current network frame of an existing power distribution network; data sorting: sorting and analyzing operation indexes of the medium-voltage power distribution network in the specified planning area; establishing a network topology: establishing a gridding ideal network topology according to the collected data conditions; performing specific analysis: inputting a power distribution network planning scheme for analysis according to the established network topology; electrical load prediction: predicting the total load and the spatial load of each region according to the result of each power distribution network scheme, realizing personalized design through data collection of a specific region, ensuring that reasonable resources are utilized to the maximum extent, and performing flexible analysis through data arrangement and network topology establishment; effective comprehensive evaluation can be obtained, so that the capacity utilization rate of the power distribution network planning scheme is increased, and the construction cost of the power distribution network can be reduced.

Description

technical field [0001] The invention relates to the technical field of distribution network planning methods, in particular to a distribution network planning method for improving the grid-connection capability of distributed power sources. Background technique [0002] The distribution network is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators and some auxiliary facilities. It plays an important role in distributing electric energy in the power network. The ability of users to continuously supply power is an important indicator for assessing the power quality of the power supply system, reflecting the degree to which the power industry meets the power demand of the national economy, and has become one of the standards for measuring the degree of economic development of a country; in the power system, the distribution network It plays an important role in distributing electric energy and is a bridge betwe...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a distribution network planning method that improves the grid-connected ability of distributed power sources, and aims to improve the existing distribution network planning method, which has a relatively simple structure and cannot meet the increasing load demand in the actual use process. , and the grid structure of the distribution network is relatively chaotic, which greatly increases the difficulty of operation scheduling and reduces the efficiency of equipment operation and maintenance. In this way, once a problem occurs in a part of the distribution network, it is easy to cause the problem of paralysis of the entire distribution network

Images