CN106556722B - Do not have a power failure the method for replacing the area Zhu Biantai metering device - Google Patents
Do not have a power failure the method for replacing the area Zhu Biantai metering device Download PDFInfo
- Publication number
- CN106556722B CN106556722B CN201611022636.1A CN201611022636A CN106556722B CN 106556722 B CN106556722 B CN 106556722B CN 201611022636 A CN201611022636 A CN 201611022636A CN 106556722 B CN106556722 B CN 106556722B
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- China
- Prior art keywords
- ammeter
- phase
- isolation switch
- replacing
- secondary connection
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- 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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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 26
- 238000009422 external insulation Methods 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 8
- 210000001520 comb Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Abstract
A method of do not have a power failure and replaces the area Zhu Biantai metering device, battalion when replacement CT or ammeter is avoided to match personnel while arriving field operation, the labor intensity for alleviating staff also ensures power supply reliability, its step are as follows: the isolation switch and on-load switch of corresponding prepped side CT are first closed when needing replacing secondary connection side CT, make one group of CT paired running, then disconnects the on-load switch and isolation switch of the secondary connection side CT needed replacing；The on-load switch of secondary connection side CT and isolation switch are closed after replacement, then disconnect the on-load switch and isolation switch of corresponding prepped side CT；When replacing ammeter, external insulation is combed in insertion fixing pluge socket, comb teeth passes through the electrical contact end of each pair of electroconductive elastic sheet, disconnects the current terminal of ammeter, realizes CT closed loop with connection conductive sheet by the lower conductive sheet on comb teeth, replaces ammeter；After having changed ammeter, external insulation comb is transferred to, it can normal power supply.
Description
Technical field
The present invention relates to a kind of methods for replacing the area Zhu Biantai metering device that do not have a power failure.
Background technique
Currently, needing platform area to stop when column becomes the secondary connection side CT in (time variant voltage on column) platform area or ammeter breaks down
Electricity, power supply department battalion arrive field operation simultaneously with personnel, step on bar replacement CT by distribution personnel or replace the ammeter calculated in electricity box,
Operating personnel's large labor intensity, causes damages after power failure to manufacturing enterprise.
Summary of the invention
The present invention is to propose a kind of method for replacing the area Zhu Biantai metering device that do not have a power failure, when avoiding replacement CT or ammeter
Battalion arrives field operation simultaneously with personnel, and the labor intensity for alleviating staff also ensures power supply reliability, prevents because having a power failure
Unnecessary economic loss is caused to manufacturing enterprise.
To solve the above problems, the technical solution adopted by the present invention is as follows:
1, former pole type transformer secondary connection side CT is moved on in counter box, every phase secondary connection side CT is corresponded in electricity box
One prepped side CT is set and constitutes one group of CT, installs isolation switch respectively in every group of CT source side and load side and load is opened
It closes, the isolation switch and on-load switch of secondary connection side CT be in closed state, the isolation switch of corresponding prepped side CT and bears
Lotus switch is in an off state；
2, fixing pluge is set in counter box, the fixing pluge be located at secondary connection side CT leading-out terminal and ammeter into
Between line end, three groups of electroconductive elastic sheets of corresponding A, B, C phase built in fixing pluge, every group of electroconductive elastic sheet is by two pairs of electroconductive elastic sheet structures
At, the resilient electrical contact of opposite end up and down of each pair of electroconductive elastic sheet and it is connected to A phase end of incoming cables, A phase leading-out terminal and B phase end of incoming cables, B
Phase leading-out terminal and C phase end of incoming cables, C phase leading-out terminal, fixing pluge set there are six socket and are located on batch meter panel, and market people
Member combs equipped with six tooth external insulations, and six comb teeth of the external insulation comb are corresponding with the electrical contact end of six pairs of electroconductive elastic sheets respectively, and
Upper conductive sheet and lower conductive sheet is respectively set in the upper and lower surfaces of six comb teeth, the lower conductive sheet is by being located in comb handle
It connects conductive sheet and realizes electrical connection；
3, the isolation switch and on-load switch that corresponding prepped side CT is first closed when needing replacing secondary connection side CT, make
One group of CT paired running, then disconnect the on-load switch and isolation switch of the secondary connection side CT needed replacing；
4, the on-load switch of secondary connection side CT and isolation switch are closed after replacing, then disconnect corresponding prepped side CT's
On-load switch and isolation switch；
5, when replacing ammeter, external insulation is combed in insertion fixing pluge socket, comb teeth passes through the electricity of each pair of electroconductive elastic sheet
Contact jaw, by A phase end of incoming cables and A phase leading-out terminal, B phase end of incoming cables and B phase leading-out terminal and C phase end of incoming cables and C phase leading-out terminal it
It is separated, that is, the current terminal of ammeter is disconnected, the lower conductive sheet and connection conductive sheet realization CT closed loop on comb teeth, replacement electricity are passed through
Table；
6, after having changed ammeter, external insulation comb is transferred to, it can normal power supply.
Further, it is located at beside each pair of electroconductive elastic sheet in fixing pluge and is also equipped with another pair electroconductive elastic sheet side by side, with
Make to be inserted into more stable when external insulation comb.
It is calculated in electricity box the beneficial effects of the present invention are: former pole type transformer secondary connection side CT is moved on to, and every phase
One group of CT is set, and fixing pluge and external insulation comb are set, is not had a power failure under conditions of ensuring personal safety and replaces CT
Or ammeter, battalion with personnel while arriving field operation when avoiding replacement CT or ammeter, and it is easy to operate, alleviate the labor of staff
Fatigue resistance also ensures power supply reliability, prevents from causing unnecessary economic loss to manufacturing enterprise.
Detailed description of the invention
Fig. 1 is the arrangement schematic diagram of pole type transformer of the invention；
Fig. 2 is the electrical schematic diagram in the area Zhu Biantai of the invention；
Fig. 3 is fixing pluge outline drawing；
Fig. 4 is terminal schematic diagram behind fixing pluge；
Fig. 5 is fixing pluge schematic diagram of internal structure；
Fig. 6 is external insulation comb front schematic view；
Fig. 7 is the schematic rear view of external insulation comb.
Specific embodiment
Do not have a power failure the method for replacing the area Zhu Biantai metering device, and its step are as follows:
1, as shown in Figure 1 and Figure 2, former pole type transformer secondary connection side CT is moved on in counter box, it is corresponding every in electricity box
Phase secondary connection side CT is arranged a prepped side CT and constitutes one group of CT, installs isolation respectively in every group of CT source side and load side
Disconnecting link and on-load switch, the isolation switch and on-load switch of secondary connection side CT are in closed state, corresponding prepped side CT's
Isolation switch and on-load switch are in an off state；
2, as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, fixing pluge 1 is set in counter box, the fixing pluge 1 is located at
Between secondary connection side CT leading-out terminal and ammeter end of incoming cables, three groups of electroconductive elastic sheets of corresponding A, B, C phase built in fixing pluge 1, often
Group electroconductive elastic sheet is made of two pairs of electroconductive elastic sheets, the resilient electrical contact of opposite end up and down of each pair of electroconductive elastic sheet 102,103 and company
It connects in A phase end of incoming cables, A phase leading-out terminal and B phase end of incoming cables, B phase leading-out terminal and C phase end of incoming cables, C phase leading-out terminal, fixing pluge 1
If there are six socket 101 and being located on batch meter panel；As shown in Figure 6 and Figure 7, marketing personnel are equipped with six tooth external insulations comb 2, institute
Six comb teeth 201 for stating external insulation comb 2 are corresponding with the electrical contact end of six pairs of electroconductive elastic sheets respectively, and six comb teeth 201 it is upper,
Conductive sheet 203 and lower conductive sheet 204 is respectively set in lower surface, and the lower conductive sheet 204 passes through the connection in comb handle 202
Conductive sheet 205 realizes electrical connection；
3, the isolation switch and on-load switch that corresponding prepped side CT is first closed when needing replacing secondary connection side CT, make
One group of CT paired running, then disconnect the on-load switch and isolation switch of the secondary connection side CT needed replacing；
4, the on-load switch of secondary connection side CT and isolation switch are closed after replacing, then disconnect corresponding prepped side CT's
On-load switch and isolation switch；
5, when replacing ammeter, by 2 insertion fixing pluge socket 101 of external insulation comb, comb teeth 201 passes through each pair of conductive bullet
The electrical contact end of piece 102,103, by A phase end of incoming cables and A phase leading-out terminal, B phase end of incoming cables and B phase leading-out terminal and C phase end of incoming cables
It is separated with C phase leading-out terminal, that is, the current terminal of ammeter is disconnected, lower conductive sheet 204 and connection conductive sheet on comb teeth 202 are passed through
205 realize CT closed loop, replace ammeter；
6, after having changed ammeter, external insulation comb 2 is transferred to, it can normal power supply.
It is located at each pair of 102,103 side of electroconductive elastic sheet in fixing pluge 1 and is also equipped with another pair electroconductive elastic sheet side by side, so that
It is inserted into more stable when external insulation comb.
The above is only specific embodiments of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (2)
1. do not have a power failure the method for replacing the area Zhu Biantai metering device, it is characterized in that:
1), former pole type transformer secondary connection side CT is moved on in counter box, every phase secondary connection side CT is corresponded in electricity box and is set
It sets a prepped side CT and constitutes one group of CT, install isolation switch respectively in every group of CT source side, distinguish in every group of CT load side
Another isolation switch and breaker are installed, the isolation switch and breaker of secondary connection side CT is in closed state, corresponding
The isolation switch and on-load switch of prepped side CT is in an off state；
2), fixing pluge is set in counter box, the fixing pluge is located at secondary connection side CT leading-out terminal and ammeter inlet wire
Between end, three groups of electroconductive elastic sheets of corresponding A, B, C phase built in fixing pluge, every group of electroconductive elastic sheet is by two pairs of electroconductive elastic sheet structures
At, the resilient electrical contact of opposite end up and down of each pair of electroconductive elastic sheet and it is connected to A phase end of incoming cables, A phase leading-out terminal and B phase end of incoming cables, B
Phase leading-out terminal and C phase end of incoming cables, C phase leading-out terminal, fixing pluge set there are six socket and are located on batch meter panel, and market people
Member combs equipped with six tooth external insulations, and six comb teeth of the external insulation comb are corresponding with the electrical contact end of six pairs of electroconductive elastic sheets respectively, and
Upper conductive sheet and lower conductive sheet is respectively set in the upper and lower surfaces of six comb teeth, the lower conductive sheet is by being located in comb handle
It connects conductive sheet and realizes electrical connection；
3) isolation switch and breaker that corresponding prepped side CT, is first closed when needing replacing secondary connection side CT, make one group
CT paired running, then disconnect the breaker and isolation switch of the secondary connection side CT needed replacing；
4) breaker of secondary connection side CT and isolation switch are closed after, replacing, then disconnect the load of corresponding prepped side CT
Switch and isolation switch；
5), when replacing ammeter, external insulation is combed in insertion fixing pluge socket, comb teeth passes through the electrical contact of each pair of electroconductive elastic sheet
End, by A phase end of incoming cables and A phase leading-out terminal, B phase end of incoming cables and B phase leading-out terminal and the interruption of C phase end of incoming cables and C phase leading-out terminal
It opens, that is, disconnects the current terminal of ammeter, by the lower conductive sheet and connection conductive sheet realization CT closed loop on comb teeth, replace ammeter；
6) after, having changed ammeter, external insulation comb is transferred to, it can normal power supply.
2. the method according to claim 1 that replace the area Zhu Biantai metering device that do not have a power failure, it is characterized in that: in fixing pluge
It is interior to be located at beside each pair of electroconductive elastic sheet side by side equipped with another pair electroconductive elastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022636.1A CN106556722B (en) | 2016-11-18 | 2016-11-18 | Do not have a power failure the method for replacing the area Zhu Biantai metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022636.1A CN106556722B (en) | 2016-11-18 | 2016-11-18 | Do not have a power failure the method for replacing the area Zhu Biantai metering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106556722A CN106556722A (en) | 2017-04-05 |
| CN106556722B true CN106556722B (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611022636.1A Active CN106556722B (en) | 2016-11-18 | 2016-11-18 | Do not have a power failure the method for replacing the area Zhu Biantai metering device |
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| CN (1) | CN106556722B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765056B (en) * | 2017-09-22 | 2020-05-01 | 国家电网公司 | Direct current CT replacing device |
| CN113625010B (en) * | 2021-07-29 | 2023-08-22 | 国网重庆市电力公司营销服务中心 | Wiring device |
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| CN202210109U (en) * | 2011-08-16 | 2012-05-02 | 广平县供电公司 | Metering box capable of electrically replacing electric meter and current transformer |
| CN103245809A (en) * | 2013-06-03 | 2013-08-14 | 国家电网公司 | Portable electric quantity remedying device and electric energy meter replacing method for accurate metering |
| CN203707525U (en) * | 2014-03-10 | 2014-07-09 | 国家电网公司 | Short circuit apparatus for replacement of electric energy meter without power failure |
| CN103913613A (en) * | 2014-04-03 | 2014-07-09 | 云南电力试验研究院（集团）有限公司电力研究院 | Device allowing electric energy meter to be plugged and unplugged without outage |
| CN204044202U (en) * | 2014-07-25 | 2014-12-24 | 国家电网公司 | A kind of power failure changes the Apparatus and system of electric energy meter |
| JP2015129707A (en) * | 2014-01-08 | 2015-07-16 | 関西電力株式会社 | Uninterruptible bypass tool for watthour meter |
| CN105527476A (en) * | 2015-12-23 | 2016-04-27 | 华威博奥电力设备有限公司 | Device and method for plugging and unplugging electric energy meter without power-off |
| CN205450050U (en) * | 2016-03-28 | 2016-08-10 | 万沙电气有限公司 | Do not cut off power supply and change instrument of electric energy meter |
| CN106093502A (en) * | 2016-07-19 | 2016-11-09 | 国网上海市电力公司 | A kind of power failure changes the device of single-phase intelligent electric energy meter |
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2016
- 2016-11-18 CN CN201611022636.1A patent/CN106556722B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202210109U (en) * | 2011-08-16 | 2012-05-02 | 广平县供电公司 | Metering box capable of electrically replacing electric meter and current transformer |
| CN103245809A (en) * | 2013-06-03 | 2013-08-14 | 国家电网公司 | Portable electric quantity remedying device and electric energy meter replacing method for accurate metering |
| JP2015129707A (en) * | 2014-01-08 | 2015-07-16 | 関西電力株式会社 | Uninterruptible bypass tool for watthour meter |
| CN203707525U (en) * | 2014-03-10 | 2014-07-09 | 国家电网公司 | Short circuit apparatus for replacement of electric energy meter without power failure |
| CN103913613A (en) * | 2014-04-03 | 2014-07-09 | 云南电力试验研究院（集团）有限公司电力研究院 | Device allowing electric energy meter to be plugged and unplugged without outage |
| CN204044202U (en) * | 2014-07-25 | 2014-12-24 | 国家电网公司 | A kind of power failure changes the Apparatus and system of electric energy meter |
| CN105527476A (en) * | 2015-12-23 | 2016-04-27 | 华威博奥电力设备有限公司 | Device and method for plugging and unplugging electric energy meter without power-off |
| CN205450050U (en) * | 2016-03-28 | 2016-08-10 | 万沙电气有限公司 | Do not cut off power supply and change instrument of electric energy meter |
| CN106093502A (en) * | 2016-07-19 | 2016-11-09 | 国网上海市电力公司 | A kind of power failure changes the device of single-phase intelligent electric energy meter |
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| Publication number | Publication date |
|---|---|
| CN106556722A (en) | 2017-04-05 |
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