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System for reducing tripping frequency of power distribution line

A technology for power distribution lines and lines, applied in the direction of AC network circuits, circuit devices, emergency protection circuit devices, etc., can solve problems such as lack of data support for operation and maintenance personnel, and inability to analyze and compare line faults, so as to ensure independence, Guarantee the effect of real-time synchronization

Active Publication Date: 2018-09-04
STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fault conditions of all distribution network lines in a certain area cannot be summarized, and the fault conditions of a large number of lines cannot be analyzed and compared, resulting in repeated tripping of many lines, but the operation and maintenance personnel cannot take targeted measures due to lack of data support. sex measures

Method used

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  • System for reducing tripping frequency of power distribution line
  • System for reducing tripping frequency of power distribution line
  • System for reducing tripping frequency of power distribution line

Examples

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Embodiment Construction

[0053] The specific embodiment of the present invention is as figure 1 shown.

[0054] In this embodiment, a system for reducing the number of trips of distribution network lines includes a sub-system on the data source side, a sub-system on the power grid operation and maintenance side, and an optical fiber transmission line connecting the two.

[0055] In this embodiment, the sub-system of the provincial dispatching data source side includes a provincial dispatching data network, an acquisition server, a first data server, a first switch and a first photoelectric converter; the output end of the provincial dispatching data network is connected to the input end of the acquisition server The output end of the acquisition server is connected to the input end of the first data server; the output end of the first data server is connected to the input end of the first switch; the output end of the first switch is connected to the input end of the first photoelectric converter; th...

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Abstract

A system for reducing tripping frequency of a power distribution line comprises a province dispatching data-side sub-system, a power grid operation and maintenance sub-system and a fiber transmissionline, wherein the fiber transmission line is used for connecting the province dispatching data-side sub-system and a power grid operation and maintenance sub-system, the province dispatching data-sidesub-system comprises a province dispatching data network, an acquisition server, a first data server, a first switchboard and a first photoelectric converter, the power grid operation and maintenancesub-system comprises a second photoelectric converter, an entity fireproof wall, a communication server, a second data server, a second switchboard and a working station, and an output end of the first photoelectric converter is connected with an input end of the second photoelectric converter via the fiber transmission line. A reliable and safe fault information control platform is formed by fully utilizing an existing network passage of a province power company and fault information of a province database; and by the system, the functions of fault information classified counting, comparisonanalysis, fault positioning, protection configuration setting and operation and maintenance suggestion can be provided according to fault tripping information and fault processing information.

Description

technical field [0001] The invention relates to a system for reducing trip times of distribution network lines, which belongs to the technical field of electric power distribution network. Background technique [0002] The distribution network line undertakes the task of directly supplying power to users, and all electric energy must be delivered to power consumers through the distribution network line. The tripping of distribution lines due to faults is the main reason affecting the reliability of line power supply. According to statistics, the time of power outages caused by tripping of distribution lines due to faults accounts for more than 40% of the total power outage time of users. In order to improve the reliability of line power supply, the number of tripping of distribution network lines should be reduced as much as possible. At this stage, grid operation and maintenance personnel deal with distribution network line faults in such a way that the fault processing pr...

Claims

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Application Information

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IPC IPC(8): H02H1/00H02J3/00
CPCH02H1/00H02H1/0092H02J3/00
Inventor 郭亮范瑞祥王华云李升健郑蜀江安义邓才波刘蓓陈琛
Owner STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST
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