CN2762304Y - Combined transformer with high-voltage meter - Google Patents
Combined transformer with high-voltage meter Download PDFInfo
- Publication number
- CN2762304Y CN2762304Y CN 200420121861 CN200420121861U CN2762304Y CN 2762304 Y CN2762304 Y CN 2762304Y CN 200420121861 CN200420121861 CN 200420121861 CN 200420121861 U CN200420121861 U CN 200420121861U CN 2762304 Y CN2762304 Y CN 2762304Y
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- transformer
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- high pressure
- current
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Abstract
The utility model discloses a combined transformer with a high-voltage metering device. The utility model comprises a main transformer body, the transformer is provided with A, B and C phase high-voltage inlet and outlet wires, and the high-voltage inlet and outlet wires use cables and cable joints. A current-measuring circuit of a current mutual inductor and a voltage-measuring circuit of a voltage mutual inductor are arranged in the main transformer body, and the voltage-measuring circuit and the current-measuring circuit are arranged on the high-voltage inlet wire of the transformer by the current mutual inductor and the voltage mutual inductor via the cables and cable connectors. The utility model using the cables and the cable connectors to connecting the current mutual inductor and the voltage mutual inductor causes the one-time wiring mode of a high-voltage mutual inductor to be the same as the high-voltage inlet and outlet wires of an original transformer without any exposed elements and parts, and thus the utility model keeps the advantages of high-voltage full insulation, total close and high safety in the original transformer additional high-voltage metering device is not needed, and the cost of production, transportation and installation is reduced.
Description
Technical field
The utility model relates to the high-tension electricity device for transformer, particularly a kind of combined transformer with high pressure measurement device.
Background technology
Present some combined transformers that use, being called American case in the industry becomes, be that high pressure vigour parts such as high voltage load switch, fuse and transformer body are contained in the fuel tank jointly, the small volume structure compactness, high pressure turnover line uses cable and cable joint, adopt all insulation, totally enclosed technology, safe and reliable, this transformer self does not design the high pressure measurement device from external introduction the time.And domestic this combined transformer of the customer requirements that has has the high pressure measurement function, and domestic mode commonly used now is to add an outdoor metering cabinet outside the transformer again, and this mode has the following disadvantages: the advantage of 1, having destroyed volume of transformer minor structure compactness; 2, outdoor metering cabinet high pressure turnover line can not be realized all insulation, totally enclosed structure, has destroyed safe and reliable advantage; 3, be divided into two independent equipment, increased manufacturing, transportation, mounting cost.
The utility model content
The purpose of this utility model provides a kind of combined transformer with high pressure measurement device, makes transformer self have the high pressure measurement function, and keeps all insulation, the full-closed structure of the high pressure inlet wire of combined transformer.
For achieving the above object, the technical solution of the utility model is: a kind of combined transformer with high pressure measurement device, comprise transformer body, transformer has A, B, C three-phase high-voltage turnover line, this high pressure turnover line all uses cable and cable joint, have the current measurement circuit of current transformer and the voltage measurement circuit of voltage transformer in the transformer body, described voltage, current measurement circuit are to be installed in by cable and cable connectors on the high pressure inlet wire of transformer by current transformer, voltage transformer to constitute.
Described current transformer has two, is plug-in type, is connected on the two-phase high pressure inlet wire of transformer by cable and plug formula cable joint, bilateral sleeve pipe.It is the A phase high pressure inlet wire that is connected to transformer and B mutually on the high pressure inlet wire that described electric current protects sensor.
Described current transformer has two, is cable type current transformer,, is installed on respectively with punching on the two-phase high pressure inlet wire of transformer.
Described current transformer is the A phase high pressure inlet wire that is installed on transformer respectively and B mutually on the high pressure inlet wire.
Described voltage transformer has two, is plug-in type, and each voltage transformer all is connected on the two-phase high pressure inlet wire of transformer by bilateral sleeve pipe, single-pass sleeve pipe, plug formula cable joint and cable.
Described two voltage transformers, one is on the A that is connected transformer, the B phase high pressure inlet wire, another is on the B that is connected transformer, the C phase high pressure inlet wire.
The vigour part of described voltage, current measurement circuit is installed in the hyperbaric chamber of transformer.
Effect of the present utility model and advantage are: the utility model is to increase the high pressure measurement function on original transformer foundation, adopt the characteristics of cable and cable joint at the high pressure inlet wire of former transformer, also adopt cable and cable connectors to connect current transformer and voltage transformer in the high pressure point of incoming cables of transformer, make the primary connection mode of high-voltage mutual inductor consistent with the high pressure turnover line of former transformer, no any vigour part that exposes, thereby kept former transformer high-voltage all insulation, totally enclosed advantage, safe and reliable.Do not need to add high pressure again in addition metering device, reduced manufacturing, transportation, mounting cost.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two.
Embodiment
Design purport of the present utility model is the primary connection of current transformer and voltage transformer and the turnover line mode of former combined transformer will be consistent, and electric current, voltage transformer by secondary connection with measure the technology that ammeter is connected and belong to current techique, repeat no more herein.
As shown in Figure 1, embodiment one of the present utility model, combined transformer has A, B, C three-phase high-voltage turnover line, the arrow indication is respectively A, B, C three-phase high-voltage point of incoming cables among the figure, 10kV current circuit A phase inlet wire enters current transformer 2, current transformer 2 enters a joint of A phase bilateral sleeve pipe 1 by stube cable, A phase bilateral sleeve pipe 1 lift one's head the A phase that inserts transformer.B phase inlet wire enters a joint of B phase bilateral casing joint 3, and the B phase that enters transformer is lifted one's head in B phase bilateral casing joint 3.C phase inlet wire inserts current transformer 8, and current transformer 8 enters a joint of C phase bilateral sleeve pipe 16 by stube cable, C phase bilateral sleeve pipe 16 lift one's head the A phase that inserts transformer.
10kV voltage circuit A is connected with plug-in cable joint 4 by cable through another joint of A phase bilateral casing joint 1, plug-in cable joint 4 is connected with single-pass casing joint 5, single-pass casing joint 5 enters voltage transformer 7, voltage transformer 7 outlets connect bilateral casing joint 6, bilateral casing joint 6 one tunnel through plug-in cable joint 10 by stube cable and B mutually bilateral casing joint 3 connect, another road is passed through plug-in cable joint 12 through plug-in cable joint 11 again by stube cable, single-pass casing joint 13 inserts another voltage transformer 9 and connects, and voltage transformer 9 outlets are through single-pass casing joint 14, plug-in cable joint 15 enters another joint (relatively and the joint that enters of current transformer 8) of C phase bilateral casing joint 16 by stube cable.
Shown in figure two, embodiment two of the present utility model, its mode of connection and embodiment one are basic identical, and difference is current transformer is changed to the cable type instrument transformer 21,22 that is installed on A, C phase high pressure inlet wire with punching.Protect sensor and compare with the electric current on the high pressure inlet wire cable of being plugged among the embodiment one, the cable type instrument transformer has volume advantage little, easy for installation, but measuring range is less, and these two kinds of current transformers can be installed according to actual needs.
Claims (8)
1, a kind of combined transformer with high pressure measurement device, comprise transformer body, transformer has A, B, C three-phase high-voltage turnover line, this high pressure turnover line all uses cable and cable joint, have the current measurement circuit of current transformer and the voltage measurement circuit of voltage transformer in the transformer body, it is characterized in that: described voltage, current measurement circuit are to be installed in by cable and cable connectors on the high pressure inlet wire of transformer by current transformer, voltage transformer to constitute.
2, transformer according to claim 1 is characterized in that: described current transformer has two, is plug-in type, is connected on the two-phase high pressure inlet wire of transformer by cable and plug formula cable joint, bilateral sleeve pipe.
3, transformer according to claim 2 is characterized in that: it is the A phase high pressure inlet wire that is connected to transformer and B mutually on the high pressure inlet wire that described electric current protects sensor.
4, transformer according to claim 1 is characterized in that: described current transformer has two, is cable type current transformer,, is installed on respectively with punching on the two-phase high pressure inlet wire of transformer.
5, transformer according to claim 4 is characterized in that: described current transformer is the A phase high pressure inlet wire that is installed on transformer respectively and B mutually on the high pressure inlet wire.
6, according to the described transformer of claim 1, it is characterized in that: described voltage transformer has two, be plug-in type, each voltage transformer all is connected on the two-phase high pressure inlet wire of transformer by bilateral sleeve pipe, single-pass sleeve pipe, plug formula cable joint and cable.
7, according to the described transformer of claim 6, it is characterized in that: described two voltage transformers, one is on the A that is connected transformer, the B phase high pressure inlet wire, another is on the B that is connected transformer, the C phase high pressure inlet wire.
8, according to the described transformer of claim 1, it is characterized in that: the vigour part of described voltage, current measurement circuit is installed in the hyperbaric chamber of transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420121861 CN2762304Y (en) | 2004-12-29 | 2004-12-29 | Combined transformer with high-voltage meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420121861 CN2762304Y (en) | 2004-12-29 | 2004-12-29 | Combined transformer with high-voltage meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762304Y true CN2762304Y (en) | 2006-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420121861 Expired - Fee Related CN2762304Y (en) | 2004-12-29 | 2004-12-29 | Combined transformer with high-voltage meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2762304Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640393B (en) * | 2008-07-28 | 2011-05-04 | 中国北车集团大同电力机车有限责任公司 | Connection method of high voltage cable on electromotive |
| CN104282425A (en) * | 2014-10-24 | 2015-01-14 | 四川风发电气科技有限公司 | Integrated oil-immersed type transformer |
-
2004
- 2004-12-29 CN CN 200420121861 patent/CN2762304Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640393B (en) * | 2008-07-28 | 2011-05-04 | 中国北车集团大同电力机车有限责任公司 | Connection method of high voltage cable on electromotive |
| CN104282425A (en) * | 2014-10-24 | 2015-01-14 | 四川风发电气科技有限公司 | Integrated oil-immersed type transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |