CN202758727U - Anti-resonance voltage transformer - Google Patents
Anti-resonance voltage transformer Download PDFInfo
- Publication number
- CN202758727U CN202758727U CN 201220373321 CN201220373321U CN202758727U CN 202758727 U CN202758727 U CN 202758727U CN 201220373321 CN201220373321 CN 201220373321 CN 201220373321 U CN201220373321 U CN 201220373321U CN 202758727 U CN202758727 U CN 202758727U
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- bag
- phase bag
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Abstract
An anti-resonance voltage transformer comprises a three-phase iron core, a zero-phase iron core, a zero-phase primary winding, a three-phase primary winding, a three-phase secondary winding, primary fuses and secondary terminals. The zero-phase primary winding is sleeved on the zero-phase iron core, the three-phase secondary winding and the three-phase primary winding are sequentially sleeved on the three-phase iron core, a three-phase main insulation is arranged between the three-phase primary winding and the three-phase secondary winding, and all the iron cores and the windings are closed in a pouring body resin shell. Three-phase protruding extending sleeves integrated with the resin shell are provided with the primary fuses, three-phase primary start leads are connected with the primary fuses through fuse contact caps, the tail ends of three three-phase primary leads are connected together inside the transformer and are connected to a zero-phase O-end. The zero-phase primary winding is connected with a zero-phase primary insert at the top of the shell. The secondary terminals are arranged in a second terminal box at the bottom of the shell. A mounting bottom plate is fixed with the bottom of the shell. The anti-resonance voltage transformer integrates three phases, is designed to be provided the zero phase and is small in size, and low-frequency resonance and high-frequency resonance are effectively prevented.
Description
Technical field
The utility model relates to instrument transformer, particularly relates to a kind of outdoor ring main unit three-phase anti-resonance potential transformer.
Background technology
The three-phase integrated voltage transformer of this type antiresonance is for the 10KV outdoor ring main unit, mainly be do relatively, relatively phase voltage monitoring, and have the antiresonance function, effectively avoided the damage of resonance overvoltage to instrument transformer.Outdoor ring main unit, because mainly being installed on the open air, should be attractive in appearance, and take up an area little, and the harmonic wave that exists in will single-phase rectifier, rectification electrolysis and electrical network to electric railway, the imbalance of three-phase load etc., can effectively measure and monitor, in order to adapt under the ruuning situation of complexity, can both guarantee to measure and face the variation of electrical network complexity, the various resonance situations of energy establishment, the reliability service of assurance electric equipment.
The utility model content
The technical problems to be solved in the utility model is, a kind of good looking appearance is provided, take up an area little, can the various resonance situations of establishment, guarantee the anti-resonance potential transformer of electric equipment reliability service.
The technical scheme that adopts is:
A kind of anti-resonance potential transformer (trade name JSZW11-10R anti-resonance potential transformer) comprises that mounting base, three-phase iron clad core, zero phase iron clad core, zero wrap winding, winding of three-phase bag, skeleton of three-phase bag, three-phase bag secondary winding, three-phase bag secondary skeleton, fuse, secondary wiring terminals mutually.Described zero wraps a winding mutually is sleeved on the zero phase iron clad core, a winding winding of three-phase bag is on skeleton of three-phase bag, the winding of three-phase bag secondary winding is on three-phase bag secondary skeleton, three-phase bag secondary winding, winding of three-phase bag are sleeved on the three-phase iron clad core successively, be provided with three-phase bag main insulation between winding of three-phase bag and the three-phase bag secondary winding, it is totally-enclosed in the pour mass resin enclosure that described zero phase iron clad core, zero wraps winding, three-phase iron clad core, winding of three-phase bag, three-phase bag secondary winding and a three-phase bag main insulation mutually.Described pour mass resin enclosure top is provided with the three-phase projection corresponding with the three-phase bag and stretches out sleeve, and be integrated with resin enclosure, the three-phase projection is stretched out sleeve fuse all is housed one time, one end of a fuse is provided with the fuse contact cap,, the three-phase bag once goes between and is connected with a fuse by the fuse contact cap.Zero wrap mutually winding be located at pour mass resin enclosure top zeroly wrap mutually an inserts and be connected.Secondary wiring terminals is located in the secondary terminal box of pour mass resin enclosure bottom, and secondary wiring terminals is connected with the secondary connection inserts by the secondary outgoing line hole on the secondary terminal box.Mounting base and pour mass resin enclosure bottom are fixed.
Above-mentioned pour mass resin enclosure top is provided with the attached cable plug embedded piece of three-phase.
Above-mentioned pour mass resin enclosure bottom is provided with the ground connection inserts that makes the whole earthing of casing.
The utility model has the advantages that:
1, integrated can charged touch the design.Because outdoor ring network needs hotline maintenance sometimes,
This just requires the whole surface of instrument transformer to be in zero potential, and the inner bulk shielding network technology that adopts by inserts ground connection is installed, reaches a high voltage joint and adopts American elbow plug, makes a sub-high pressure be completely enclosed within inside.
2, employing carries the design of zero sequence line bag, can effectively prevent low-frequency resonant and high-frequency resonant.
3, adopt built-in fuse mode, and adopt three-phase integratedization design, dwindled the volume of instrument transformer, the volume of outdoor ring main unit is effectively reduced.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the end view of Fig. 1.
Embodiment
A kind of anti-resonance potential transformer comprises that mounting base 9, three-phase iron clad core 4, zero phase iron clad core 5, zero wrap winding 10, winding 14 of three-phase bag, skeleton 18 of three-phase bag, three-phase bag secondary winding 16, three-phase bag secondary skeleton 17, fuse 11, secondary wiring terminals 6 mutually.Described zero wraps a winding 10 mutually is sleeved on the zero phase iron clad core 5, winding 14 windings of three-phase bag are on skeleton 18 of three-phase bag, 16 windings of three-phase bag secondary winding are on three-phase bag secondary skeleton 17, three-phase bag secondary winding 16, winding 14 of three-phase bag is sleeved on the three-phase iron clad core 4 successively, be provided with three-phase bag main insulation 15 between winding 14 of three-phase bag and the three-phase bag secondary winding 16, described zero phase iron clad core 5, zero wraps winding 10 mutually one time, three-phase iron clad core 4, winding 14 of three-phase bag, three-phase bag secondary winding 16 and three-phase bag main insulation 15 are totally-enclosed in pour mass resin enclosure 2, pour mass resin enclosure 2 tops are provided with the attached cable plug embedded piece 1 of three-phase, and pour mass resin enclosure 2 bottoms are provided with the ground connection inserts 8 that makes the whole earthing of casing.Described pour mass resin enclosure 2 tops are provided with the three-phase projection corresponding with the three-phase bag and stretch out sleeve, and be integrated with resin enclosure, the three-phase projection is stretched out sleeve fuse 11 all is housed one time, one end of a fuse 11 is provided with fuse contact cap 12, and three-phase bag top once goes between and 13 is connected with a fuse 11 by fuse contact cap 12.Top lead-in wire of three-phase bag is connected with a fuse by the fuse contact cap, and three lead terminal of three-phase bag are at the inner O end that connects together and receive zero mutually bag of instrument transformer.Zero wrap mutually winding 10 be located at pour mass resin enclosure 2 tops zeroly wrap mutually an inserts 3 and be connected.Secondary wiring terminals 6 is located in the secondary terminal box of pour mass resin enclosure 2 bottoms, and secondary wiring terminals 6 is connected with secondary connection inserts 19 by the secondary outgoing line hole 7 on the secondary terminal box.Mounting base 9 is fixed with pour mass resin enclosure 2 bottoms, consists of anti-resonance potential transformer.
Claims (3)
1. anti-resonance potential transformer, comprise mounting base (9), three-phase iron clad core (4), zero phase iron clad core (5), zero wraps a winding (10) mutually, a winding of three-phase bag (14), a skeleton of three-phase bag (18), three-phase bag secondary winding (16), three-phase bag secondary skeleton (17), a fuse (11), secondary wiring terminals (6), it is characterized in that the described zero winding (10) that wraps mutually is sleeved on the zero phase iron clad core (5), a winding of three-phase bag (14) winding is on a skeleton of three-phase bag (18), three-phase bag secondary winding (16) winding is on three-phase bag secondary skeleton (17), three-phase bag secondary winding (16), a winding of three-phase bag (14) is sleeved on the three-phase iron clad core (4) successively, be provided with three-phase bag main insulation (15) between a winding of three-phase bag (14) and the three-phase bag secondary winding (16), described zero phase iron clad core (5), zero wraps a winding (10) mutually, three-phase iron clad core (4), a winding of three-phase bag (14), three-phase bag secondary winding (16) and three-phase bag main insulation (15) are totally-enclosed in pour mass resin enclosure (2), pour mass resin enclosure (2) top is provided with the three-phase projection corresponding with the three-phase bag and stretches out sleeve, and be integrated with resin enclosure, the three-phase projection is stretched out sleeve a fuse (11) all is housed, one end of a fuse (11) is provided with fuse contact cap (12), the three-phase bag once go between (13) be connected with a fuse (11) by fuse contact cap (12), zero wrap mutually a winding (10) be located at pour mass resin enclosure (2) top zeroly wrap mutually an inserts (3) and be connected, secondary wiring terminals (6) is located in the secondary terminal box of pour mass resin enclosure (2) bottom, secondary wiring terminals (6) is connected with secondary connection inserts (19) by the secondary outgoing line hole (7) on the secondary terminal box, and mounting base (9) is fixed with pour mass resin enclosure (2) bottom.
2. a kind of anti-resonance potential transformer according to claim 1 is characterized in that described pour mass resin enclosure (2) top is provided with the attached cable plug embedded piece (1) of three-phase.
3. a kind of anti-resonance potential transformer according to claim 1 is characterized in that described pour mass resin enclosure (2) bottom is provided with the ground connection inserts (8) that makes the whole earthing of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373321 CN202758727U (en) | 2012-07-31 | 2012-07-31 | Anti-resonance voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373321 CN202758727U (en) | 2012-07-31 | 2012-07-31 | Anti-resonance voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202758727U true CN202758727U (en) | 2013-02-27 |
Family
ID=47737895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220373321 Expired - Fee Related CN202758727U (en) | 2012-07-31 | 2012-07-31 | Anti-resonance voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202758727U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957704A (en) * | 2016-07-06 | 2016-09-21 | 江苏科兴电器有限公司 | Three-phase grounded voltage transformer with metal shell |
| CN106449072A (en) * | 2016-09-29 | 2017-02-22 | 湖北大二互科技股份有限公司 | Novel mutual inductor for automation of power distribution network |
| CN107731500A (en) * | 2017-10-20 | 2018-02-23 | 湖北大二互科技股份有限公司 | A kind of suppression mode of resonance threephase potential transformer that can be docked with ring main unit |
| CN107749337A (en) * | 2017-10-20 | 2018-03-02 | 湖北大二互科技股份有限公司 | A kind of 20kV ring main units threephase potential transformer |
| CN107887149A (en) * | 2017-12-08 | 2018-04-06 | 大连第二互感器集团有限公司 | A kind of ring main unit voltage transformer |
| CN112489956A (en) * | 2020-11-20 | 2021-03-12 | 贵州电网有限责任公司 | Three-phase anti-resonance voltage transformer |
-
2012
- 2012-07-31 CN CN 201220373321 patent/CN202758727U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957704A (en) * | 2016-07-06 | 2016-09-21 | 江苏科兴电器有限公司 | Three-phase grounded voltage transformer with metal shell |
| CN106449072A (en) * | 2016-09-29 | 2017-02-22 | 湖北大二互科技股份有限公司 | Novel mutual inductor for automation of power distribution network |
| CN107731500A (en) * | 2017-10-20 | 2018-02-23 | 湖北大二互科技股份有限公司 | A kind of suppression mode of resonance threephase potential transformer that can be docked with ring main unit |
| CN107749337A (en) * | 2017-10-20 | 2018-03-02 | 湖北大二互科技股份有限公司 | A kind of 20kV ring main units threephase potential transformer |
| CN107887149A (en) * | 2017-12-08 | 2018-04-06 | 大连第二互感器集团有限公司 | A kind of ring main unit voltage transformer |
| CN107887149B (en) * | 2017-12-08 | 2020-06-30 | 大连第二互感器集团有限公司 | Voltage transformer for ring main unit |
| CN112489956A (en) * | 2020-11-20 | 2021-03-12 | 贵州电网有限责任公司 | Three-phase anti-resonance voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20180731 |