Method of determining locating and sizing planning of distributed power supplies in a power distribution network

A technology of distributed power supply, location selection and volume determination. It is applied in the directions of resources, computing models, and forecasting, and can solve the problems of complex location selection and volume planning process.

Active Publication Date: 2018-11-06
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method for determining the location and capacity planning of the distributed power generation in the distribution network, so as to solve the technical problems of the complex site selection and capacity planning process in the prior art

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  • Method of determining locating and sizing planning of distributed power supplies in a power distribution network
  • Method of determining locating and sizing planning of distributed power supplies in a power distribution network
  • Method of determining locating and sizing planning of distributed power supplies in a power distribution network

Examples

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Embodiment 1

[0189] Example 1: Based on the results of cluster division, a two-level programming model is adopted. The upper model uses clusters as the basic unit to plan the total capacity, energy storage capacity and power of distributed photovoltaic power sources connected to each cluster, and the lower model uses nodes as the The basic unit optimizes the sub-capacity of the distributed photovoltaic power source connected to each node in the cluster and the location of the energy storage connection.

[0190] It should be noted that when building the model, the population size can be 20; the number of iterations in the upper layer can be 500; the number of iterations in the lower layer can be 50; the maximum inertia weight coefficient can be 0.9; the minimum inertia weight coefficient can be 0.4.

[0191] The planning costs corresponding to the three schemes are shown in Table 2, and Table 2 shows the planning costs for distribution network planning by applying the technical schemes corre...

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Abstract

The invention discloses a method of determining locating and sizing planning of distributed power supplies in a power distribution network. The method includes the steps: for the power distribution network corresponding to a planning area, grouping distributed power supplies in the control partition into a cluster according to each control partition that is pre-divided, so as to obtain at least two clusters; acquiring the basic data of the power distribution network; according to the basic data of the power distribution network, establishing an upper layer model including each cluster and a lower layer model which performs parallel calculation on all the clusters for internal nodes in each cluster; optimizing the upper layer model by means of a particle swarm optimization algorithm, and optimizing the lower layer model by means of the particle swarm optimization algorithm and a binary particle swarm optimization algorithm; and taking the optimized result as the target planning result of locating and sizing planning of the distributed power supplies of the distribution network. The method of determining locating and sizing planning of distributed power supplies in a power distribution network can reduce the complexity of locating and sizing planning of the power distribution network.

Description

technical field [0001] The invention relates to a distribution network planning method, and more particularly to a method for determining the site selection and capacity determination planning of a distributed power supply in a distribution network. Background technique [0002] In recent years, renewable energy power generation, especially photovoltaic power generation, has developed rapidly. How to connect the electric energy generated by photovoltaic power generation to the distribution network is a technical problem that needs to be solved. At present, there are two ways to connect photovoltaic power generation: one is the external transmission and absorption ground photovoltaic power station that is connected to the medium and high voltage power grid on a large scale in areas rich in sunlight resources; the other is near the load node on the user side Large-scale decentralized distributed photovoltaic power generation that is connected to the low-voltage distribution n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06G06N3/00
CPCG06N3/006G06Q10/04G06Q10/06312G06Q10/06313G06Q50/06Y02E40/70Y04S10/50
Inventor 丁明方慧毕锐盛万兴寇凌峰
Owner HEFEI UNIV OF TECH
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