CN105846330B - For arrester charged for replacement leakage current table special complete instrument and operational method - Google Patents
For arrester charged for replacement leakage current table special complete instrument and operational method Download PDFInfo
- Publication number
- CN105846330B CN105846330B CN201610366849.XA CN201610366849A CN105846330B CN 105846330 B CN105846330 B CN 105846330B CN 201610366849 A CN201610366849 A CN 201610366849A CN 105846330 B CN105846330 B CN 105846330B
- Authority
- CN
- China
- Prior art keywords
- leakage current
- short circuit
- current table
- arrester
- upper lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 239000012212 insulator Substances 0.000 claims abstract description 7
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 4
- 239000011810 insulating material Substances 0.000 claims abstract description 3
- 239000002131 composite material Substances 0.000 claims abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 10
- 230000007547 defect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 claims description 2
- 230000006378 damage Effects 0.000 claims description 2
- 208000014674 injury Diseases 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims 1
- 241000282693 Cercopithecidae Species 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
For arrester charged for replacement leakage current table special complete instrument, including tool box, tool box includes upper lid and box body, upper lid and box body are insulating materials, screw is equipped with upper lid and box body, the position of screw on the screw and box body of upper lid is corresponding, insulation column is connected between the screw of upper lid and the screw of box body, insulation column is porcelain insulator or composite insulator, the instrument of the present invention ensure that leakage current of an arrester table changes the new job mode that can be carried out in the energized state, avoid power failure demand.
Description
Technical field
The present invention relates to a kind of apparatus for examination and repair to arrester charged for replacement leakage current table.
Background technology
Arrester is one of important protection equipment for ensureing safe operation of power system, and it is excessively electric to be mainly used in limitation system
Pressure, leakage current are a very important reference indexs for examining arrester quality, and if leakage current table breaks down
The erroneous judgement of misreading of leakage current is likely to result in, therefore the moment keeps leakage current of an arrester table status well most important.Mesh
Preceding operation maintenance personnel replacing leakage current table is taken mostly first passes through scheduling application power failure, and a pair event is completed under equipment non-charged state
Hinder the replacing of leakage current table, the time between overhauls(TBO) is very long and reduces system power supply reliability.
The content of the invention
It is an object of the invention to provide one kind to be used for arrester charged for replacement leakage current table special complete instrument and work
Industry method, it is possible to achieve to the replacing of surge arrester failure leakage current table in the case of powered, avoid application scheduling and have a power failure, section
Make an appointment, improve system power supply reliability.
The technical scheme is that：
For arrester charged for replacement leakage current table special complete instrument, including tool box, tool box include it is upper lid and
Box body, upper lid and box body are insulating materials, are equipped with screw on upper lid and box body, the screw on the screw and box body of upper lid
Position it is corresponding, be connected with insulation column between the screw of upper lid and the screw of box body, insulation column is porcelain insulator or multiple
Insulator is closed, insulation column both ends are provided with screw rod；Tray interior is placed with down conductor continuity test instrument, universal meter and carried
The short circuit copper strips of fixing bolt.
Upper lid and box body are made by epoxy resin.
Screw is located at the corner of upper lid and the corner of box body.
Short circuit copper strips is two.
The section of short circuit copper strips is 60mm*10mm, length 0.8m.
It is used for the operational method of arrester charged for replacement leakage current table, specific steps using described special complete instrument
For：
Step 1：Arrester is connected with leakage current table, and operating personnel confirms that this is kept away before failure leakage current table is changed
Thunder device current in resistance property live detection result is qualified, and lightning arrester body is without exception；Stop making if lightning arrester body existing defects
Industry；
Step 2：Operating personnel is connected using down conductor continuity test instrument to the arrester ground downlead and main earth mat
Connect whether situation is well judged, arrester ground should be reliable；
Step 3：Operating personnel is assembled into easy insulating support using upper lid, box body and insulation column, then starts to make
Industry；It is to protect operating personnel using the purpose of insulating support, prevents operating personnel by due to being hanged caused by maloperation possibility
Floating current potential injury；
Step 4：Operating personnel uses the short circuit copper strips with fixing bolt should leakage current table short circuit, short circuit copper strips
Reliable short circuit, now leakage current meter reading should be zeroed, whether make leakage electric using universal meter measurement leakage current table after short circuit
Lead and down conductor are reliably connected in flow table；
Step 5：After reliable short circuit leakage current table, leakage current table is changed using instrument, letting out after replacing
Electric leakage flow table answers reading good；
Step 6：Remove short circuit copper strips；
Step 7：Site clearing, confirm that nothing leaves object.
In step 4, operating personnel using two short circuit copper strips with fixing bolt leakage current table short circuit, two
Short circuit copper strips all should reliable short circuit, now leakage current meter reading should be zeroed, using two be in order at dual fail-safe consider, prevent out
Existing one there is the generation of loose or dislocation situation.
The instrument of the present invention ensure that leakage current of an arrester table changes the new job mode that can be carried out in the energized state,
Avoid power failure demand；The complete placement of specific purpose tool, wiring is simple and reliable, and be easy to carry installation, time saving and energy saving, can greatly carry
High workload efficiency；Combined insulating support, safety during more preferable support personnel's operation.
After confirming that lightning arrester body is without exception, the special complete instrument can be used to carry out leakage current table for operating personnel
Change.Operating personnel dresses insulating boot in the case where ensuring arrester ground credible event and stood utilizes two on dedicated insulated bracket
Then short circuit copper strips with fixing bolt is carried out the reliable short circuit of leakage current table to failure leakage current table using Work tool
Change, ensure that measure leakage current table is reliably connected with major loop, finally removes short circuit copper strips, site clearing after replacing.This is specially
It ensure that leakage current of an arrester table changes the new job mode that can be carried out in the energized state with tool set, avoid power failure
Demand；The complete placement of specific purpose tool, wiring is simple and reliable, and be easy to carry installation, time saving and energy saving, can be greatly enhanced work effect
Rate；Combined insulating support, safety during more preferable support personnel's operation, has a wide range of application, have good market prospects and
Application value.
The beneficial effects of the invention are as follows：
（1）For the present apparatus by insulating support and short circuit copper strips, being effectively guaranteed that leakage current of an arrester table changes can be
The new job mode carried out under electriferous state, avoids power failure demand；
（2）For the present apparatus by the complete placement of specific purpose tool, wiring is simple and reliable, and be easy to carry installation, time saving and energy saving, can pole
The earth improves operating efficiency；
（3）The present apparatus has preferably ensured safety during personnel's operation by simple combination formula insulating support.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the fundamental diagram of the operational method step 2 of the present invention；
Fig. 3 is the operational method step 4 of the present invention and the fundamental diagram of step 5.
In figure：1st, arrester, 2, box body, 3, down conductor continuity test instrument, 4, universal meter, 5, monkey wrench, 6, slow-witted
Spanner, 7, insulation column, 8, the short circuit copper strips with fixing bolt, 9, screw, 10, upper lid.
Embodiment
As shown in figure 1, the present invention, when carrying out the work of arrester charged for replacement leakage current table, the special complete instrument can
To carry out modularization assembling, a variety of specific purpose tool combinations.
The special complete instrument is integrally a tool box, and the upper lid 10 and box body 2 in tool box are exhausted by epoxy resin etc.
The compacting of edge material forms, and has screw 9 in the corner correspondence position of upper lid 10 and box body 2, the screw 9 of upper lid 10 and box body 2 is used
In fixed insulation pillar 7, insulation column 7 should be with full skirt, insulation is good, the reliable porcelain insulator of intensity or compound inslation
There is screw rod at son, the both ends of arrester 1, are securable to the screw 9 of corner.
Staff can stand on above the upper lid 10 in tool box in charged for replacement leakage current table 13；In box body 2
Portion, which has, places down conductor continuity test instrument 3, universal meter 4, monkey wrench 5, fork spanner 6, insulation column 7 and with fixed spiral shell
The short circuit copper strips 8 of bolt, short circuit copper strips 8 are two, section 60mm*10mm, length 0.8m.
The specific steps of operational method：
Step 1：Operating personnel confirms the current in resistance property live detection of arrester 1 before failure leakage current table 13 is changed
As a result qualified, lightning arrester body is without exception；This work can not be carried out if lightning arrester body existing defects.
Step 2：As shown in Fig. 2 under operating personnel is drawn using down conductor continuity test instrument 3 to the arrester ground
Whether line 12 is well judged that the ground connection of arrester 1 should be reliable with main earth mat connection.
Step 3：Operating personnel assembles easy insulating support using upper lid 10, box body 2 and insulation column 7, using exhausted
It should confirm whether support is steady, then starts operation before edge support；It is to protect operating personnel using the purpose of insulating support, prevents
Only operating personnel is injured by the floating potential caused by maloperation is possible.
As shown in figure 3,
Step 4：Operating personnel using two short circuit copper strips 8 with fixing bolt the short circuit of leakage current table 13, two
Reliable short circuit is intended to, now the reading of leakage current table 13 should return 0, use whether universal meter 4 measures leakage current table 13 after short circuit
It is reliably connected lead 11 and down conductor 12 in leakage current table.Dual fail-safe is in order at using two to consider, is prevented
One there is the generation of loose or dislocation situation.
Step 5：After reliable short circuit leakage current table 13, using Work tools such as monkey wrench 5, fork spanners 6 to leakage electricity
Flow table is changed, and the leakage current table 13 after replacing answers reading good.
Step 6：Remove short circuit copper strips 8.
Step 7：Site clearing, confirm that nothing leaves object.
Claims (2)
1. using special complete instrument to the method for arrester charged for replacement leakage current table, it is characterised in that used special
Include tool box with tool set, tool box includes upper lid and box body, it is characterised in that：Upper lid and box body are insulating materials,
Screw is equipped with upper lid and box body, and the position of the screw on the screw and box body of upper lid is corresponding, the screw and box of upper lid
Insulation column is connected between the screw of body, insulation column is porcelain insulator or composite insulator, and insulation column both ends are provided with spiral shell
Bar；Tray interior is placed with down conductor continuity test instrument, universal meter and the short circuit copper strips with fixing bolt；This method has
Body step is：
Step 1：Arrester is connected with leakage current table, and operating personnel confirms the arrester before failure leakage current table is changed
Current in resistance property live detection result is qualified, and lightning arrester body is without exception；Stopped operation if lightning arrester body existing defects；
Step 2：Operating personnel is connected feelings to the arrester ground downlead using down conductor continuity test instrument with main earth mat
Whether condition is well judged that arrester ground should be reliable；
Step 3：Operating personnel is assembled into easy insulating support using upper lid, box body and insulation column, then starts operation；
It is to protect operating personnel using the purpose of insulating support, prevents operating personnel by because maloperation may caused suspension electricity
Position injury；
Step 4：Operating personnel uses the short circuit copper strips with fixing bolt should be reliable leakage current table short circuit, short circuit copper strips
Short circuit, now leakage current meter reading should be zeroed, after short circuit using universal meter measurement leakage current table whether make leakage current table
Upper lead and down conductor are reliably connected；
Step 5：After reliable short circuit leakage current table, leakage current table is changed using instrument, the leakage electricity after replacing
Flow table answers reading good；
Step 6：Remove short circuit copper strips；
Step 7：Site clearing, confirm that nothing leaves object.
2. the operational method according to claim 1 for arrester charged for replacement leakage current table, it is characterised in that：Step
In rapid four, operating personnel is equal leakage current table short circuit, two short circuit copper strips using two short circuit copper strips with fixing bolt
Reliable short circuit is answered, now leakage current meter reading should be zeroed, and being in order at dual fail-safe using two considers, prevents an appearance
Loose or dislocation situation occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366849.XA CN105846330B (en) | 2016-05-30 | 2016-05-30 | For arrester charged for replacement leakage current table special complete instrument and operational method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366849.XA CN105846330B (en) | 2016-05-30 | 2016-05-30 | For arrester charged for replacement leakage current table special complete instrument and operational method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105846330A CN105846330A (en) | 2016-08-10 |
| CN105846330B true CN105846330B (en) | 2017-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610366849.XA Active CN105846330B (en) | 2016-05-30 | 2016-05-30 | For arrester charged for replacement leakage current table special complete instrument and operational method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105846330B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL3392987T3 (en) * | 2017-04-21 | 2021-06-14 | Rittal Gmbh & Co. Kg | Method and system for automated support of a connection process, in particular for components in a switch cabinet or on a mounting system |
| CN107525998A (en) * | 2017-09-08 | 2017-12-29 | 广东电网有限责任公司东莞供电局 | System and method for detecting leakage current of zinc oxide arrester |
| CN111293626B (en) * | 2018-12-07 | 2021-09-28 | 国网内蒙古东部电力有限公司经济技术研究院 | Live replacement method based on lightning protection device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5558469A (en) * | 1978-10-27 | 1980-05-01 | Hitachi Ltd | Leakage current detector of arrester |
| CN203722100U (en) * | 2014-02-18 | 2014-07-16 | 山西太钢不锈钢股份有限公司 | Portable insulation platform |
| CN204366867U (en) * | 2015-01-04 | 2015-06-03 | 江苏省电力公司淮安供电公司 | Leakage current of an arrester table dismounting support |
| CN105116253A (en) * | 2015-08-25 | 2015-12-02 | 国网新疆电力公司昌吉供电公司 | Live dismounting structure of lightning arrester on-line monitoring device |
| CN205693210U (en) * | 2016-05-30 | 2016-11-16 | 国网河南省电力公司电力科学研究院 | For spark gap charged for replacement leakage current table special complete instrument |
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2016
- 2016-05-30 CN CN201610366849.XA patent/CN105846330B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105846330A (en) | 2016-08-10 |
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