Status indicator of arrester with gap line

A line surge arrester and status indicator technology, applied to pulse counters, instruments, circuits, etc. of the application relay, can solve the problem of providing additional power supply and need to be replaced once every two years, and achieve long service life, obvious fault indication, Visible effect

Inactive Publication Date: 2008-08-06
武汉水院电气有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage is that an additional power supply is requi

Method used

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  • Status indicator of arrester with gap line
  • Status indicator of arrester with gap line
  • Status indicator of arrester with gap line

Examples

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[0081] The following is a detailed description in conjunction with the drawings and implementation examples:

[0082] 1. Overall structure

[0083] As shown in Figures 1 and 2, the present invention includes an energy-taking component (1), a small current counting circuit (2), a large current counting circuit (3), an alarm indicating circuit (4), an alarm indicating mechanism (5) and a counter clearing mechanism (6);

[0084] The energy-taking component (1) is connected in series with the ground wire of the arrester, and the low-current counting circuit (2), the high-current counting circuit (3) and the alarm indicating circuit (4) are respectively connected to each end of the energy-taking component (1) to obtain energy;

[0085] The high current counting circuit (3) is connected with the alarm indicating circuit (4) to provide a switch signal for the alarm indicating circuit (4);

[0086] The alarm indicating circuit (4) is connected with the alarm indicating mechanism (5) to cont...

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PUM

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Abstract

The invention discloses a state indicator with a gap line surge arrester, relating to the lightning-proof protection device. The invention has a structure which is as follows: an energy taking part (1) is connected in series on an earth wire of the arrester, a low-current counting circuit (2) and a high-current counting circuit (3) as well as an alarm indicating circuit (4) are respectively connected with corresponding terminals of the energy taking part (1) to obtain energy; the high-current counting circuit (3) is connected with the alarm indicating circuit (4) and provides a switch control signal for the alarm indicating circuit (4); the alarm indicating circuit (4) is connected with an alarm indicating mechanism (5) and controls the alarm indicating mechanism (5) to operate; a clear mechanism (6) of a counter is connected with the high-current counting circuit (3) to realize the zero clearing. The state indicator is an inactive component and has practicability and economical efficiency as well as long service life and strong visibility, and is suitable for the on-line monitoring of the MOX arrester with a gap line with a voltage of 35 or more than 35 kV.

Description

technical field [0001] The invention relates to a lightning protection device; in particular, it relates to a state indicator of a line arrester with a gap, in particular, an indicator for monitoring the operating state of a line arrester with a gap. Background technique [0002] At present, the power bureaus in various regions at home and abroad are promoting the use of metal oxide arresters on transmission lines to improve the lightning resistance level of transmission lines and reduce the lightning tripping rate of lines, thereby improving the reliability of power supply and meeting the requirements of industrial electricity consumption; therefore, line arresters It has broad development and application prospects. [0003] The important position of the arrester in the power system requires guaranteeing the normal operation of the arrester, which requires monitoring whether the arrester can operate normally. [0004] The current frontier research generally judges the agin...

Claims

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Application Information

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IPC IPC(8): H01T1/12H03K23/74G06M1/00
Inventor 周文俊李小陆喻剑辉
Owner 武汉水院电气有限责任公司
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