Power distribution network power supply capacity risk assessment method

A technology for power supply capacity and risk assessment, which is applied in the field of power transmission and distribution, can solve the problems that the real-time and accuracy cannot meet the daily operation and maintenance management requirements of the distribution network, and achieve the effect of ensuring safe and stable operation and improving management level

Inactive Publication Date: 2014-10-08
STATE GRID CORP OF CHINA +1
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Problems solved by technology

[0004] At present, the real-time and accuracy of the risk assessment method for the power supply capacity of the distribution network can no longer meet the daily operation and maintenance management requirements of the distribution network.

Method used

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  • Power distribution network power supply capacity risk assessment method
  • Power distribution network power supply capacity risk assessment method
  • Power distribution network power supply capacity risk assessment method

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Embodiment Construction

[0019] The specific steps of the distribution network power supply capacity risk assessment method based on the distribution monitoring system are as follows:

[0020] 1) sort out all the power distribution equipment ledgers of the unit, including the name of each line, the unit to which it belongs, and the maximum allowable current carrying capacity of each line I max And the name of the distribution station area, the affiliated unit, the affiliated medium-voltage line, the capacity S, and the number of residential users it brings.

[0021] 2) The risk simultaneous rate is divided into the first-level risk simultaneous rate, the second-level risk simultaneous rate, the third-level risk simultaneous rate, and the fourth-level risk simultaneous rate, respectively recorded as L 1 , L 2 , L 3 , L 4 .

[0022] 3) Divide the power supply area into urban areas, industrial parks, and rural areas, which are denoted as C 1 、C 2 、C 3

[0023] 4) Divide power distribution types ...

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Abstract

A power distribution network power supply capacity risk assessment method includes the steps that standing books of power distribution equipment of a unit are obtained through a power distribution equipment monitoring system; essential information of the power distribution equipment is obtained; power distribution network power supply capacity risk parameters are set; on the basis, a power distribution network power supply capacity program is written, essential parameters such as the run-unit, the equipment class and counting time are input, and finally a power distribution network power supply capacity risk assessment report is automatically generated. The method is suitable for dividing power distribution network power supply capacity risk key areas and technical and economic indexes of transformation work of medium and low voltages of a power distribution network are optimized.

Description

[0001] technical field [0002] The invention relates to a risk assessment method for power supply capacity of a power distribution network based on a power distribution equipment monitoring system, which belongs to the technical field of power transmission and distribution. Background technique [0003] With the improvement of users' reliability of power supply, the safe and stable operation of distribution network is particularly important. The complexity of the distribution network structure, the large number of equipment, and the wide coverage often bring potential risks to the distribution network. Therefore, it is of great practical significance to carry out risk assessment on the power supply capacity of the distribution network. [0004] At present, the real-time and accuracy of the risk assessment method for power supply capacity of distribution network can no longer meet the requirements of daily operation and maintenance management of distribution network. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/00G06Q50/06
Inventor 安义王华云朱志杰郑蜀江李蓓蓓蔡木良
Owner STATE GRID CORP OF CHINA
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