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Lightning overvoltage measuring system

A lightning overvoltage and measurement system technology, which is applied in the direction of measurement using digital measurement technology, can solve the problem that lightning overvoltage cannot be accurately measured

Inactive Publication Date: 2013-09-04
GUANGZHOU POWER SUPPLY CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the technical problem that the lightning overvoltage cannot be accurately measured in the above-mentioned background technology, the present invention provides a lightning overvoltage measurement system, which can accurately measure the lightning overvoltage caused by lightning strikes and obtain accurate lightning overvoltage measurement data

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Embodiment Construction

[0012] See figure 1 , figure 1 It is a schematic diagram of the structure of the lightning overvoltage measurement system of the present invention.

[0013] The lightning overvoltage measurement system includes: a lightning overvoltage measurement device 10, the lightning overvoltage measurement device 10 includes a lightning overvoltage sensor 11, a high-speed data acquisition and processing unit 12, a solar power supply system 13, and the high-speed data acquisition and processing unit 12 is connected to the lightning overvoltage sensor 11 and the solar power supply system 13;

[0014] The lightning overvoltage sensor 11 is a high-speed capacitive voltage divider.

[0015] See figure 2 , figure 2 It is a schematic diagram of the structure of the high-speed data acquisition and processing unit of the lightning overvoltage measurement system of the present invention.

[0016] The high-speed data acquisition and processing unit 12 includes a processor 121, an analog-to-digital conver...

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Abstract

The invention provides a lightning overvoltage measuring system, which comprises a lightning overvoltage sensor, a high-speed data acquiring and processing unit and a solar power supply system, wherein the lightning overvoltage sensor is realized by adopting a high-speed capacitive voltage divider, and can be used for acquiring instantaneous voltage during lightning overvoltage through the operation of the high-speed capacitive voltage divider; the high-speed data acquiring and processing unit is used for acquiring a low-voltage signal from the lightning overvoltage sensor; the low-voltage signal is firstly subjected to analog-digital conversion through an analog-digital converter, and is buffered in a buffer; a processor is used for reading data in the buffer for processing. The solar power supply system can be used for providing energy for the lightning overvoltage measuring system without connecting a general alternating-current power grid power supply, and the influence of measuring high voltage generated by lightning on an alternating-current power grid is avoided.

Description

Technical field [0001] The invention relates to the technical field of lightning monitoring, in particular to a lightning overvoltage measurement system. Background technique [0002] According to incomplete statistics, lightning strikes cause 3,000 to 4,000 casualties each year in my country, and property losses reach a staggering 20 billion yuan. Lightning disasters have become one of the increasingly destructive meteorological disasters. The electromagnetic transient phenomenon caused by lightning belongs to the scope of electromagnetic pollution, and electromagnetic pollution is recognized as the fourth largest pollution in the world after water pollution, air pollution and noise pollution. With the modernization of industrial and agricultural production and people’s lives, the requirements for the reliability and service quality of service systems and facilities such as railways, aviation, finance, electricity, telecommunications, television, and networks have become higher ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/25
Inventor 陆国俊熊俊刘宇沈伟民余占清
Owner GUANGZHOU POWER SUPPLY CO LTD
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