Lightning arrester detection system based on multiple signal acquisition and detection method thereof

A detection system and signal acquisition technology, applied in the direction of instruments, measuring electronics, short-circuit testing, etc., can solve problems such as complex wiring

Pending Publication Date: 2021-05-11
JIANGSU ELECTRIC POWER CO
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  • Description
  • Claims
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Problems solved by technology

[0003] The traditional method for detecting the potential distribution of lightning arresters m

Method used

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  • Lightning arrester detection system based on multiple signal acquisition and detection method thereof
  • Lightning arrester detection system based on multiple signal acquisition and detection method thereof

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Embodiment Construction

[0021] The specific implementation of a lightning arrester detection system based on multiple signal collection of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] Such as figure 1 As shown, the arrester detection system of the present invention includes a leakage current acquisition unit, a temperature acquisition unit, a current / voltage conversion unit, an A / D conversion unit, a control processing unit, a storage unit, an alarm unit, and a communication unit. The leakage current acquisition unit It is sequentially connected with the current / voltage conversion unit, the A / D conversion unit, and the control processing unit, the temperature acquisition unit is connected with the A / D conversion unit, and the control processing unit is also separately connected to the The storage unit, the alarm unit, and the communication unit are connected; the arrester detection system respectively collects the leakage current sign...

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Abstract

The invention provides a lightning arrester detection system based on multiple signal acquisition. The lightning arrester detection system comprises a leakage current acquisition unit, a temperature acquisition unit, a current/voltage conversion unit, an A/D conversion unit, a control processing unit, a storage unit, an alarm unit and a communication unit. The lightning arrester detection system respectively collects a leakage current signal and a temperature signal of the lightning arrester, compares and analyzes the leakage current signal and the temperature signal with a preset alarm value, judges whether the lightning arrester is abnormal or not, and controls the alarm unit to send an alarm signal in time when the lightning arrester is abnormal. And the detection information is uploaded to a monitoring center in real time through the communication unit. The invention provides a lightning arrester detection system and method based on various signal acquisition, which can effectively detect whether the distribution of lightning arresters is uniform and whether the temperature is abnormal, and ensure the service life of the lightning arresters.

Description

technical field [0001] The invention belongs to the technical field of electric power detection, and in particular relates to a lightning arrester detection system and detection method based on multiple signal collection. Background technique [0002] As one of the important equipment of the power system, the arrester is used to protect the power equipment, prevent high transient overvoltage hazards when struck by lightning, and limit the freewheeling time and freewheeling amplitude. Potential distribution and temperature distribution are important indicators for evaluating the healthy operation of arresters, which are directly related to the operating life of the entire arrester. When the potential distribution of the arrester is uneven, it will cause rapid aging and even thermal collapse. In order to ensure that the arrester can operate in equal voltage, it is necessary to detect the potential distribution of the arrester. [0003] The traditional detection method of the...

Claims

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Application Information

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IPC IPC(8): G01R31/00G01R31/52
CPCG01R31/00G01R31/52
Inventor 陈雨新张润坤孙方新
Owner JIANGSU ELECTRIC POWER CO
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