CN207353749U - A kind of ring main unit of the negative control of band metering - Google Patents
A kind of ring main unit of the negative control of band metering Download PDFInfo
- Publication number
- CN207353749U CN207353749U CN201721237738.5U CN201721237738U CN207353749U CN 207353749 U CN207353749 U CN 207353749U CN 201721237738 U CN201721237738 U CN 201721237738U CN 207353749 U CN207353749 U CN 207353749U
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- China
- Prior art keywords
- cabinet
- metering
- negative control
- busbar
- phase
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- Expired - Fee Related
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- 239000013642 negative control Substances 0.000 title claims abstract description 51
- 239000012212 insulator Substances 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 238000009530 blood pressure measurement Methods 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses the ring main unit that a kind of band measures negative control, including the negative control cabinet of metering, and it is arranged on the incoming line cabinet and outgoing line cabinet of the negative control cabinet both sides of the metering；The incoming line cabinet uses inlet wire under cable, and incoming line cabinet side is stretched into the negative control cabinet of metering equipped with first sleeve；The outgoing line cabinet uses outlet or side outlet under cable, and outgoing line cabinet side is stretched into the negative control cabinet of metering equipped with the second casing, cable is used in inlet-outlet line by the design, the dosage of copper bar and insulator can be reduced in use, cable connection strengthens insulation, it is safer, improve the competitiveness of product in market；Secondly SF6 gas-filling cabinet service lifes are longer, improve the reliability and stability of product row for the national games；The design SF6 gas-filling cabinet lamps structures are simple, and design is reasonable, and floor space is small so that overall switchgear house manufacture cost is low.And control cabinet is born particularly useful as the high pressure measurement of case change, reduce case and become material cost, reduce the volume that case becomes, the floor space of the case change of diminution.
Description
Technical field
It the utility model is related to metering cabinet, ring main unit technical field, and in particular to a kind of ring main unit of the negative control of band metering.
Background technology
Have a kind of high-voltage board of the negative control of band metering in 10kV indoor high-voltage cabinets, the negative high-voltage board controlled of band metering into and out of line
The cabinet high-voltage boards for using air insulation usually, the metering of metering cabinet two elements, so-called two elements metering, is exactly two mutual induction of voltage more
Device, two current transformers, by the signal input measurement meter of electric current, voltage, are realized to active, nothing in 10kV electric system
Work(electrical energy measurement, and between electric company and user economic balance foundation.The common production method of high-voltage metering cubicle is,
10kV current transformers are positioned over the side of ring network cabinet body, and 10kV voltage transformers are positioned over the bottom of ring network cabinet body,
A, B, C three-phase bus bar are aligned to bottom from top to down, then roll up, and row is as the top wall bushing of high-voltage board cabinet, this cloth
The mode put, uses in many manufacturing enterprises, but incoming line cabinet uses this arrangement of buoyance chamber, incoming line cabinet, outgoing line cabinet volume
Larger, floor space is larger, and metering cabinet B phases and A, C two-phase safe distance are relatively low, greatly reduce the reliable of product row for the national games
Property, and the dosage of busbar and insulator is improved, high-voltage metering cubicle material cost is enhanced, reduces the market competition of product
Power.
Utility model content
The utility model aim is to provide one kind, to solve the problems, such as.
To achieve the above object, the technical solution of the utility model is：
A kind of ring main unit of the negative control of band metering, including the negative control cabinet of metering, and it is arranged on the negative control cabinet both sides of the metering
Incoming line cabinet and outgoing line cabinet；The incoming line cabinet uses inlet wire under cable, and the negative control of metering is stretched into incoming line cabinet side equipped with first sleeve
In cabinet；The outgoing line cabinet uses outlet or side outlet under cable, and the negative control cabinet of metering is stretched into outgoing line cabinet side equipped with the second casing
In；
2 metering current mulual inductors, 2 metered voltage mutual inductors and 1 negative control voltage are equipped with the negative control cabinet of metering
Mutual inductor, the voltage transformer are arranged on the negative control bottom of cabinet portion of metering, and the metering current mulual inductor is arranged on the negative control cabinet of metering side by side
The same side wall of cabinet；
The negative control cabinet of metering is equipped with includes A phase, B phase, C phase busbar for conductive busbar, the busbar；Mutual induction of voltage
Device is equipped with high-tension fuse；
The negative control voltage transformer is connected by high-tension fuse with B phase busbars, the high-voltage fuse being connected with B phase busbars
Device is connected also through C phases busbar with the second casing above；
High-tension fuse on the metered voltage mutual inductor is connected by A phase busbars with metering current mulual inductor, and should
Current transformer is connected also through the first sleeve above A phase busbars, and the high-tension fuse being connected with A phase busbars is also through A phases
Busbar is connected with the second casing above；
High-tension fuse on another metered voltage mutual inductor is connected by C phase busbars with metering current mulual inductor, and should
Current transformer is connected also through the first sleeve above C phase busbars, and the high-tension fuse being connected with C phase busbars is also through C phases
Busbar is connected with the second casing above.
Preferably, the incoming line cabinet and/or outgoing line cabinet are SF6 gas-filling cabinets, and the incoming line cabinet is loading switch cabinet, outgoing line cabinet
For breaker cabinet.
Preferably, the first sleeve and the second casing are located at same level.
Preferably, the middle part of A phases busbar and C the phase busbar passes through supporting insulator and the negative control metering cabinet cabinet respectively
Body connects.
Preferably, the supporting insulator is in same plane with the metering current mulual inductor.
Preferably, the metering current mulual inductor and the voltage transformer are by supporting insulator and cabinet
Wall is fixedly connected.
Preferably, B phases busbar connection high-tension fuse is arranged at the bottom of the ring network cabinet body, horizontal busbar with
The lower end of B phase busbars between the B phases busbar connection high-tension fuse is also through supporting insulator and the ring network cabinet body
Inner wall be fixedly connected.
The utility model has the advantages that：
Cable is used in inlet-outlet line by the design, the dosage of copper bar and insulator, cable connection can be reduced in use
Strengthen insulation, it is safer, improve the competitiveness of product in market；Secondly SF6Gas-filling cabinet service life is longer, and it is complete to improve product
Reliability of operation and stability；The design SF6Gas-filling cabinet lamps structure is simple, and design is reasonable, and floor space is small so that overall to match somebody with somebody
Electric room manufacture cost is low.And control cabinet is born particularly useful as the high pressure measurement that case becomes, reduce case and become material cost, reduce case and become
Volume, the floor space that the case of diminution becomes.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
In figure：201- incoming line cabinets, the negative control cabinet of 202- meterings, 203- outgoing line cabinets, 204- first sleeves, the second casings of 205-,
206- metering current mulual inductors, 207- busbars, 208- supporting insulators, 209- high-tension fuses, 210- metered voltage mutual inductances
Device, 211- bear control voltage transformer.
Embodiment
The utility model and its embodiment are described in further detail below in conjunction with attached drawing：
As shown in the figure, a kind of ring main unit of the negative control of band metering, including the negative control cabinet 202 of metering, and it is arranged on the metering
The incoming line cabinet 201 and outgoing line cabinet 203 of negative control cabinet both sides；The incoming line cabinet 201 is using inlet wire under cable, and incoming line cabinet side is equipped with
First sleeve 204 is stretched into the negative control cabinet 202 of metering；The outgoing line cabinet 203 uses outlet or side outlet under cable, and outgoing line cabinet one
Side is stretched into the negative control cabinet of metering equipped with the second casing 205；
2 metering current mulual inductors, 206,2 metered voltage mutual inductors 210 and 1 are equipped with the negative control cabinet 202 of metering
Negative control voltage transformer 211, the voltage transformer are arranged on the negative control bottom of cabinet portion of metering, and the metering current mulual inductor is arranged on side by side
The negative control same side wall of cabinet cabinet of metering；
The negative control cabinet of metering is equipped with includes A phase, B phase, C phase busbar for conductive busbar 207, the busbar；Voltage
Mutual inductor is equipped with high-tension fuse 209；
The negative control voltage transformer 211 is connected by high-tension fuse 209 with B phase busbars, the height being connected with B phase busbars
Pressure fuse is connected also through C phases busbar with the second casing above；
High-tension fuse 209 on the metered voltage mutual inductor 210 passes through A phases busbar and metering current mulual inductor 206
Connection, and the current transformer is connected also through the first sleeve above A phase busbars, the high-tension fuse being connected with A phase busbars
It is connected also through A phases busbar with the second casing above；
High-tension fuse 209 on another metered voltage mutual inductor 210 passes through C phases busbar and metering current mulual inductor 206
Connection, and the current transformer is connected also through the first sleeve above C phase busbars, the high-tension fuse being connected with C phase busbars
It is connected also through C phases busbar with the second casing above.
The incoming line cabinet 201 and/or outgoing line cabinet 203 are SF6Gas-filling cabinet, the incoming line cabinet are loading switch cabinet, outgoing line cabinet
For breaker cabinet.
204 and second casing 205 of first sleeve is located at same level.
The middle part of A phases busbar and C the phase busbar passes through supporting insulator 208 and negative control 202 cabinet of metering cabinet respectively
Body connects.
The supporting insulator 208 is in same plane with the metering current mulual inductor 206.
The metering current mulual inductor 206 and the voltage transformer are by supporting insulator 208 and cabinet
Wall is fixedly connected.
The B phases busbar connection high-tension fuse is arranged at the bottom of the ring network cabinet body, horizontal busbar and the B phases
The lower end of B phase busbars between busbar connection high-tension fuse is also through in supporting insulator 208 and the ring network cabinet body
Wall is fixedly connected.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of ring main unit of the negative control of band metering, it is characterised in that including measuring negative control cabinet (202), and be arranged on the meter
The incoming line cabinet (201) and outgoing line cabinet (203) of the negative control cabinet both sides of amount；The incoming line cabinet (201) uses inlet wire under cable, and incoming line cabinet
Side is stretched into the negative control cabinet (202) of metering equipped with first sleeve (204)；The outgoing line cabinet (203) uses outlet or side under cable
Outlet, and outgoing line cabinet side is stretched into the negative control cabinet of metering equipped with the second casing (205)；
2 metering current mulual inductors (206), 2 metered voltage mutual inductors (210) and 1 are equipped with the negative control cabinet (202) of metering
A negative control voltage transformer (211), the voltage transformer are arranged on the negative control bottom of cabinet portion of metering, and the metering current mulual inductor is arranged side by side
Arranged on the negative control same side wall of cabinet cabinet of metering；
The negative control cabinet of metering is equipped with includes A phase, B phase, C phase busbar for conductive busbar (207), the busbar；Voltage is mutual
Sensor is equipped with high-tension fuse (209)；
The negative control voltage transformer (211) is connected by high-tension fuse (209) with B phase busbars, the height being connected with B phase busbars
Pressure fuse is connected also through C phases busbar with the second casing above；
High-tension fuse (209) on the metered voltage mutual inductor (210) passes through A phases busbar and metering current mulual inductor
(206) connect, and the current transformer is connected also through the first sleeve above A phase busbars, the high-voltage fuse being connected with A phase busbars
Disconnected device is connected also through A phases busbar with the second casing above；
High-tension fuse (209) on another metered voltage mutual inductor (210) passes through C phases busbar and metering current mulual inductor
(206) connect, and the current transformer is connected also through the first sleeve above C phase busbars, the high-voltage fuse being connected with C phase busbars
Disconnected device is connected also through C phases busbar with the second casing above.
2. the ring main unit of the negative control of band according to claim 1 metering, it is characterised in that the incoming line cabinet (201) and/or go out
Line cabinet (203) is SF6Gas-filling cabinet, the incoming line cabinet are loading switch cabinet, and outgoing line cabinet is breaker cabinet.
3. the ring main unit of the negative control of band according to claim 2 metering, it is characterised in that the first sleeve (204) and the
Two casings (205) are located at same level.
4. the ring main unit of the negative control of band metering according to claim 3, it is characterised in that A phases busbar and C the phase busbar
Middle part is connected by supporting insulator (208) with the negative control metering cabinet cabinet respectively.
5. the ring main unit of the negative control of band according to claim 4 metering, it is characterised in that the supporting insulator (208) with
The metering current mulual inductor (206) is in same plane.
6. the ring main unit of the negative control of band metering according to claim 5, it is characterised in that the metering current mulual inductor
(206) and the voltage transformer is fixedly connected by supporting insulator (208) with the inner wall of cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237738.5U CN207353749U (en) | 2017-09-26 | 2017-09-26 | A kind of ring main unit of the negative control of band metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237738.5U CN207353749U (en) | 2017-09-26 | 2017-09-26 | A kind of ring main unit of the negative control of band metering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353749U true CN207353749U (en) | 2018-05-11 |
Family
ID=62357083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721237738.5U Expired - Fee Related CN207353749U (en) | 2017-09-26 | 2017-09-26 | A kind of ring main unit of the negative control of band metering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353749U (en) |
-
2017
- 2017-09-26 CN CN201721237738.5U patent/CN207353749U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |