Power cable fault detection system

A power cable and fault detection technology, which is applied in the field of power cable fault detection system, can solve the problems of personal danger, time-consuming and laborious, detection errors, etc., and achieve the effect of preventing cable faults, avoiding the waste of electric energy, and facilitating maintenance and processing

Inactive Publication Date: 2013-10-02
STATE GRID CORP OF CHINA +1
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  • Abstract
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  • Application Information

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Problems solved by technology

At present, the power cable fault detector is usually used to detect the fault point of the power cable. However, when using the fault detector for detection, the maintenance personnel need to hold the fault detector along the line to detect, which is not only time-consuming and laborious, but also often leads to detection errors. In some cases, there may even be personal danger accidents

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0020] A power cable fault detection system, such as figure 1 As shown, it includes a plurality of detection devices distributed and installed on the power cable between the high-voltage line and the transformer, a plurality of detection devices installed on the power cable between the transformer and the user's electrical equipment, and a data collection and transmission system connected to each detection device. devices and remote remote data centers. The detection device can be connected to the data acquisition and transmission device by means of short-distance wireless network, RS485 serial bus or optical fiber, and the data acquisition and transmission device is connected to the remote remote data center through 3G network, LAN network or optical fiber network. Each part of the system is described below:

[0021] Such as figure 2 As shown, the detect...

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Abstract

The invention relates to a power cable fault detection system. The power cable fault detection system is technically characterized by comprising multiple detectors arranged on a power cable between a high voltage wire and a transformer, multiple detectors arranged on a power cable between the transformer and electrical user equipment, a data acquisition and transmission device connected with each detector and a far-end data center, the detectors are connected with the data acquisition and transmission device through a wired or wireless mode, the data acquisition and transmission device is connected with the far-end data center through a wired or wireless mode, and the far-end data center carries out data analysis to realize a fault detection function. The power cable fault detection system is reasonable in design, realizes the function of rapid fault detection of the power cable, can simultaneously detect conversion efficiency of the transformer rapidly in order to timely change an aged and in-fault transformer, electric energy waste is avoided, a cable fault prevention effect is realized, and the power cable fault detection system further has properties of high efficiency, strong stability and safe and reliable performance.

Description

technical field [0001] The invention belongs to the technical field of power cable transmission, in particular to a power cable fault detection system. Background technique [0002] After the power cable is installed and used, sometimes there will be a cable fault, resulting in the failure of normal power supply. Since the power cables are installed together in groups, when a power cable fails, it is necessary to find out the failed power cable from the group of power cables for processing. At present, the power cable fault detector is usually used to detect the fault point of the power cable. However, when using the fault detector for detection, the maintenance personnel need to carry the fault detector along the line to detect, which is not only time-consuming and laborious, but also often leads to detection errors. In some cases, even personal danger accidents may occur. Contents of the invention [0003] The object of the present invention is to overcome the deficien...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/08
CPCY04S10/52
Inventor 任树林胡军胡冰陈春江
Owner STATE GRID CORP OF CHINA
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