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Multi-stage reliability improving method of distributed power supply-contained distribution networks

A distributed power and reliability technology, applied in the direction of instruments, data processing applications, information technology support systems, etc., to save energy, avoid uncertainty, and improve the efficiency of grid operation

Inactive Publication Date: 2014-05-14
STATE GRID CORP OF CHINA +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

None of them involve the technical content of the strategic direction of multi-level reliability improvement for the development level of the distribution network with distributed power generation

Method used

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  • Multi-stage reliability improving method of distributed power supply-contained distribution networks
  • Multi-stage reliability improving method of distributed power supply-contained distribution networks
  • Multi-stage reliability improving method of distributed power supply-contained distribution networks

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Embodiment Construction

[0026] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0027] Such as figure 1 , figure 2 As shown, a method for improving the multi-level reliability of a distribution network with distributed power generation includes the following steps:

[0028] Step 1, collect the power supply reliability rate of distributed power distribution network and the average power outage time of users;

[0029] Step 2: Classify the power grid according to the reliability rate of power supply and the average power outage time of users, and determine the distribution network with a power supply reliability rate greater than 99.980% and an average power outage time of less than 1.8 hours as the mature period of the grid structure; for power...

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Abstract

The invention discloses a multi-stage reliability improving method of distributed power supply-contained distribution networks. The method comprises the following steps: collecting power supplying reliability and user average power failure time of distributed power supply-contained distribution networks; according to the power supplying reliability and user average power failure time, carrying out stage classification on distribution networks, and determining the distribution network of which power supplying reliability is greater than 99.980% and the average power failure time is less than 1.8 hours to be in a distribution network structure maturity period, the distribution network of which power supplying reliability is greater than 99.9100% and the average power failure time is less than 8 hours to be in a network work structure development period, and the distribution network of which power supplying reliability is greater than 99.8300% and the average power failure time is less than 15 hours to be in a distribution network structure construction period; and on the basis of the three different distribution network structure stages, respectively improving distribution network reliability in the terms of network, equipment, technology and management. With the method, the energy is saved and the distribution network operation efficiency is improved.

Description

technical field [0001] The invention relates to the field of power grid power supply, in particular to a method for improving multi-level reliability of a distribution network including distributed power sources. Background technique [0002] At present, with the continuous development of the power grid level and the constant changes of the basic power grid, the pertinence of the reliability improvement measures is becoming less and less obvious, resulting in that the reliability improvement measures cannot achieve the greatest improvement effect, resulting in a waste of investment in manpower and material resources. Reduce the investment benefit ratio and have adverse effects on reliability management. [0003] The existing distribution network reliability research mainly includes reliability index analysis and problem analysis. Reliability index analysis mainly studies the overall situation and classification of power supply reliability indicators. Through detailed calcul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/00G06Q50/06
CPCY02E40/70Y04S10/50
Inventor 范雪峰付兵彬夏懿宋汶秦张中丹贾春蓉杨昌海杨晶
Owner STATE GRID CORP OF CHINA
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