Intelligent sensing device of zinc oxide arrester tester

A technology of induction device and lightning arrester, which is applied in the field of testing instruments, can solve the problems of no convenient and effective metal zinc oxide lightning arrester, etc., and achieve the effects of accurate analysis, accurate and stable measurement results, reliability and safety

Inactive Publication Date: 2015-05-20
张晓冰
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no convenient and effective live detection equipment for metal zinc oxide arresters

Method used

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  • Intelligent sensing device of zinc oxide arrester tester
  • Intelligent sensing device of zinc oxide arrester tester
  • Intelligent sensing device of zinc oxide arrester tester

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Embodiment Construction

[0023] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

[0024] see Figure 1-5 , zinc oxide arrester tester intelligent sensing device, including a host 1, a micro-printer 2, a charging socket 3, a measurement ground terminal 4, a power switch 5, a touch keyboard 6, a large-screen liquid crystal display 7 and an input terminal, and the input terminal includes a reference The voltage input terminal 8 and the current input terminal, the current input includes the A phase leakage current input terminal 9, the B phase leakage current input terminal 10 and the C phase leakage current input terminal 11, the micro-printer 2, the charging socket 3, and the measurement ground terminal 4 , power switch 5, touch keyboard 6, large-screen liquid crystal display 7 and input terminal are all installed on the host computer 1, and reference voltage input terminal 8, A-phase leakage current input terminal 9, B-phase leak...

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Abstract

The invention discloses an intelligent sensing device of a zinc oxide arrester tester. The intelligent sensing device of the zinc oxide arrester tester comprises a host, a micro printer, a charging socket, a measurement ground terminal, a power supply switch, a touch keyboard, a large-screen liquid crystal display and an input end, wherein the input end comprises a reference voltage input end and a current input end; the current input end comprises an A phase leakage current input end, a B phase leakage current input end and a C phase leakage current input end; the micro printer, the charging socket, the measurement ground terminal, the power supply switch, the touch keyboard, the large-screen liquid crystal display and the input end are mounted on the host. The intelligent sensing device of the zinc oxide arrester tester is simple to operate and convenient to use, and can be used for measuring total current, resistance current, harmonic wave, power frequency reference voltage, active power and phase difference of a zinc oxide arrester; the large-screen liquid crystal display can be used for displaying real waveform of the voltage and the current; through the application of the digital waveform analysis technology, the measurement results are accurate and stable by using anti-interference methods such as a harmonic wave analysis method and a digital filtering method.

Description

technical field [0001] The invention relates to a tester, in particular to an intelligent induction device for a zinc oxide arrester tester. Background technique [0002] Metal zinc oxide surge arresters have been widely used in power systems due to their superior nonlinear characteristics. Due to the long-term operation under the operating voltage, and the repeated impact of various overvoltages, as well as the damp and aging of the valve plate, the overall performance of the arrester has gradually declined. At present, metal zinc oxide arresters mainly judge their operating characteristics through live detection and offline detection. [0003] Most of the existing live detection methods of metal zinc oxide arresters adopt detection methods such as total leakage current, resistive current fundamental wave and third harmonic. However, because there is often a certain distance between the voltage sensor and the current sensor, especially the line arrester, etc., the long-di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
Inventor 张晓冰
Owner 张晓冰
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