A cable fault simulation and location system

A technology of cable fault and positioning system, which is applied in the direction of fault location, using pulse reflection method to detect faults, teaching models, etc., can solve the problems of waste of manpower, material resources, bad social impact, and difficulty in finding, and achieve reliable work, easy to carry, Ease of use

Active Publication Date: 2016-06-15
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 , The cable fault simulation and location system of this embodiment includes: a cable fault simulation box set on the concrete foundation 2, an electrode mounting plate 5 provided in the cable fault simulation box 1, and three electrode mounting plates 5 There are three incoming electrodes 6 and three outgoing electrodes 7; the three incoming electrodes 6 are respectively connected to the three-phase core of the incoming cable 8, and the three outgoing electrodes 7 are respectively connected to the three-phase core of the outgoing cable 9. The reinforced concrete foundation 2 and the cable fault simulation box 1 are fixedly connected by foundations and expansion bolts. The cable fault simulation box 1 is provided with threading pipes 3 on both sides of the bottom, the cable fault simulation box 1 has an opening 4 in the center of the bottom, and the front face of the cable fault simulation box 1 is provided with a double door 14.

[0023] The outer shields...

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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 wire electrodes and three outgoing wire 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 许箴朱辉陆政
Owner CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER
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