A cable fault simulation and location system

A cable fault and locating system technology, applied in the fault location, using the pulse reflection method to detect faults, teaching models, etc., can solve the problems of wasting manpower, material resources, bad social influence, and finding difficulties, and achieve reliable work, easy to carry, Easy-to-use effects

Active Publication Date: 2016-06-29
CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Power cables (hereinafter referred to as cables) are mostly buried underground. Once a fault occurs, it is very difficult to find it. It often takes hours or even days, which not only wastes a lot of manpower and material resources, but also causes a lot of power loss and bad social impact

Method used

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  • A cable fault simulation and location system
  • A cable fault simulation and location system
  • A cable fault simulation and location system

Examples

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Embodiment Construction

[0022] See Figure 1-9 , a kind of cable fault simulation and positioning system of the present embodiment comprises: the cable fault simulation box 1 that is located on the concrete foundation 2, the electrode mounting plate 5 that is located in the cable fault simulation box 1, and is located on the electrode mounting plate 5 Three incoming electrodes 6 and three outgoing electrodes 7; the three incoming electrodes 6 are respectively connected with the three-phase cores in the incoming cable 8, and the three outgoing electrodes 7 are respectively connected with the three-phase cores in the outgoing cable 9 connected. The reinforced concrete foundation 2 is fixedly connected with the cable fault simulation box 1 through foundation feet and expansion bolts. Both sides of the bottom of the cable fault simulation box 1 are provided with threading pipes 3, the center of the bottom of the cable fault simulation box 1 has an opening 4, and the front end of the cable fault simulati...

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Abstract

The invention relates to a cable fault simulation and positioning system, comprising: a cable fault simulation box, an electrode mounting plate arranged in the cable fault simulation box, three incoming electrodes and three outgoing electrodes; The three-phase cores in the cable are connected, and the three outgoing electrodes are respectively connected to the three-phase cores in the outgoing cable; the cable fault simulation box is equipped with a circuit for simulating disconnection, low resistance, The resistance box for high-resistance and flashover faults, the end of the outgoing cable connected to the outgoing electrode is equipped with a high-voltage cable terminal; the high-voltage cable terminal is used to connect the cable fault location detector. The cable fault location detector includes: a central control unit, a pulse transmitting circuit for transmitting pulse signals to the tested cable, a reflection receiving circuit and a high-speed data acquisition circuit for receiving reflected signals from the tested cable; the reflection receiving circuit The output end is connected with the input end of the high-speed data acquisition circuit.

Description

[0001] This application is a divisional application of the invention patent application with the application number: 200910309789.8, the invention name is "Cable Fault Simulation and Fault Location System", and the application date is: November 16, 2009. technical field [0002] The invention relates to the technical field of cable fault simulation equipment for personnel training, in particular to a cable fault simulation and fault location system for personnel training. Background technique [0003] Power cables (hereinafter referred to as cables) are mostly buried underground. Once a fault occurs, it is very difficult to find it. It often takes hours or even days, which not only wastes a lot of manpower and material resources, but also causes a lot of power loss and bad social impact. How to accurately, quickly and economically find the cable fault point has become a problem that the power supply department pays more and more attention to. The cable fault situation and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/18G01R31/11
Inventor 许箴陆政朱辉
Owner CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER
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