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Power cable operation monitoring method

A power cable, operation monitoring technology, applied in the direction of measuring vibration, measuring device, measuring acceleration, etc., can solve problems such as lack of cables, and achieve the effects of perfect monitoring means, high monitoring accuracy, and easy installation

Inactive Publication Date: 2019-12-20
李制林
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current monitoring of cable vibration lacks the necessary means and methods

Method used

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  • Power cable operation monitoring method

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Embodiment Construction

[0016] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples and accompanying drawings. As a limitation of the present invention.

[0017] Such as figure 1 As shown: in order to be able to monitor the vibration of the high-voltage or ultra-high-voltage power cable 6, the present invention includes a vibration detection sensor 3 for detecting and obtaining the vibration, and the vibration detection sensor 3 passes through the signal acquisition circuit 2 and the signal processing circuit 1 connected, the signal processing circuit 1 obtains the vibration information detected by the vibration detection sensor 3 through the signal acquisition circuit 2, and processes and analyzes the vibration information to obtain the vibration amount of the power cable.

[0018] Specifically, one or more vibration detection sensors 3 are installed on a hi...

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Abstract

The invention discloses a power cable operation monitoring method. By installing a first acceleration sensor on a cable branch and installing a second acceleration sensor and a third acceleration sensor on the lines of a high-voltage and ultra-high-voltage power cable, a signal processing circuit can effectively measure the vibration of the cable by analyzing the acceleration signals detected by the first acceleration sensor, the second acceleration sensor and the third acceleration sensor, and can analyze the impact of the vibration of the power cable during the operation on a metal jacket and an insulation layer through long-term data accumulation. The vibration detection sensor uses the acceleration sensors, which are easy to install, can realize distributed installation, can monitor the key parts, and are compact in structure, high in monitoring accuracy, wide in the scope of application, and safe and reliable.

Description

technical field [0001] The invention relates to the technical field of electric cables, in particular to a method for monitoring the operation of electric cables. Background technique [0002] At present, there is no vibration monitoring and analysis system and equipment specifically for power cable lines, and there is no application of the related vibration monitoring system to the vibration monitoring and analysis of cable lines. For power cable lines, especially high-voltage and ultra-high-voltage power cables with large conductor cross-sections, certain vibrations are generated under the action of load current and system voltage during operation. For cable lines laid under special conditions, especially cable lines under bridge conditions, the vibration of the external environment will be transmitted to the cable lines when vehicles, etc. pass by. The impact of this long-term vibration on the metal sheath and insulation layer of the cable needs to be further studied. Th...

Claims

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Application Information

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IPC IPC(8): G01H1/00G01P15/00
CPCG01H1/00G01P15/00
Inventor 李制林
Owner 李制林
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