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Power distribution network optimizing method

An optimization method and technology of power distribution network, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve problems such as unreasonable planning, local delivery, and long-term power outages.

Inactive Publication Date: 2015-06-24
STATE GRID CORP OF CHINA +1
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Problems solved by technology

For a long time, my country's power grid planning has always lagged behind power supply planning. In many areas, the grid structure is weak and the planning is unreasonable. Major system accidents caused by large-scale and long-term power outages due to faults; in this case, the original grid planning work is undergoing severe tests, forcing the power sector to find more effective ways and methods in grid planning work

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Embodiment Construction

[0069] A distribution network optimization method includes determination of main line wiring, determination of load connection, layout of power supply network and distribution network optimization algorithm.

[0070] When planning the distribution network, first collect data, including load size, coordinates of load points, and physical constraints. The substation (that is, the power supply) is located in the load center of the planned area, and then the planned power supply area is divided into multiple smaller power supply areas (hereinafter referred to as small areas) according to physical constraints and load density, and a main line is drawn out from each small area to form The radial network supplies power to the small partition load. In order to ensure the reliability of load power consumption in each small area, the total load moment of each small area should be as close as possible, and the voltage drop of each load point should be within the allowable range. The volt...

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Abstract

The invention discloses a power distribution network optimizing method. The power distribution network optimizing method comprises the steps of determination of main line distribution, determination of load connection, overall arrangement of a power supply network and the optimization algorithm for a power distribution network. According to the power distribution network optimizing method, through scientific and reasonable power distribution network optimizing work and power distribution line direction optimization, the electricity benefits of the whole society are improved; losses of a system are reduced, the operating efficiency of a power grid is improved, the capacity, position and power supply range of a transformer substation are determined scientifically, the requirement of the system for effective operation management is met, and the operating reliability of the system is greatly improved.

Description

technical field [0001] The invention relates to the technical field of distribution network management, in particular to a distribution network optimization method. Background technique [0002] In recent years, with the rapid development of the national economy, the demand for electricity from users has continued to grow, and the requirements for power supply capacity, power supply quality, and power supply reliability of power companies have also become higher and higher. Only through their own continuous development, power companies can In order to meet the increasing demand for electric energy. The power system is a national basic industry. The development level of power grid construction not only affects the development of the national economy, but also involves the consumption of primary energy and huge investment. Reasonable planning can not only reduce the waste of resources, but also obtain huge social and social benefits. Economic benefits can promote the healthy ...

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Application Information

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IPC IPC(8): H02J3/00G06F19/00
Inventor 王璟李锰李秋燕郭勇全少理孙义豪李鹏王利利
Owner STATE GRID CORP OF CHINA
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