CN201122506Y - Electronic voltage mutual inductor for full-insulation switchgear - Google Patents
Electronic voltage mutual inductor for full-insulation switchgear Download PDFInfo
- Publication number
- CN201122506Y CN201122506Y CNU2007200454508U CN200720045450U CN201122506Y CN 201122506 Y CN201122506 Y CN 201122506Y CN U2007200454508 U CNU2007200454508 U CN U2007200454508U CN 200720045450 U CN200720045450 U CN 200720045450U CN 201122506 Y CN201122506 Y CN 201122506Y
- Authority
- CN
- China
- Prior art keywords
- transformer
- voltage
- iron core
- electronic
- electronic voltage
- 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.)
- Expired - Lifetime
Links
- 238000009413 insulation Methods 0.000 title abstract 2
- 238000004804 winding Methods 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003822 epoxy resin Substances 0.000 claims abstract description 9
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 7
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to an electronic voltage transformer used for a full insulation middle-placed switch cabinet. The electronic voltage transformer comprises epoxy resin mixed glue, a primary high-voltage winding, a secondary high-voltage winding, an iron core and a transformer main body. The iron core is arranged at the center of the transformer main body, the secondary high-voltage winding is arranged around the iron core, the primary high-voltage winding is arranged on the secondary high-voltage winding, and the whole transformer main body is filled with epoxy resin. The electronic voltage transformer provided by the utility model overcomes the default of saturation of iron core through adopting a series inductive voltage divider principle, iron magnetic resonance is eliminated and the defaults of saturation of iron core are overcome. Compared with traditional transformer, the electronic voltage transformer has the advantages of small volume, light weight, simple structure, wide frequency band and no resonance etc. The traditional transformer can be extensively replaced by the electronic voltage transformer in electric equipment such as indoor and outdoor breakers, pole upper switches and high and medium voltage switch cabinets etc.
Description
Technical field:
The utility model relates to a kind of All Insulating Mid-set Cupboard Using For Electronic Potential Transformer; it is applicable to the mid-cabinet of 35KV in the digital transformer substation complex automatic system; its output is the small voltage signal; can be directly and instrument, protective relaying device interface, thus realize metering, control, measure, the function of protection.
Technical background: along with the develop rapidly of electronic technology; microcomputer type relay protection and electronic electricity meter have progressively occupied leading position; in relaying protection and measuring, the energy stream and the separate from information flow of control section, thereby monitoring equipment no longer needs the instrument transformer of high power output.While, existing instrument transformer can not direct supporting use owing to the application of fast development, the integrated automation of transformation stations and the power distribution automation of power industry.Therefore it is extremely urgent to develop a kind of low energy consumption novel voltage mutual inductor with measurement, protection and ability to communicate.
Summary of the invention:
The purpose of this utility model will provide a kind of All Insulating Mid-set Cupboard Using For Electronic Potential Transformer exactly, and it can solve the direct matching used problem of digital transformer substation complex automatic system intermediate switchgear cabinet well.The purpose of this utility model is to realize like this, All Insulating Mid-set Cupboard Using For Electronic Potential Transformer is made up of epoxy resin mixed glue, a sub-high pressure winding, secondary high-pressure winding, iron core, current transformer body, it is characterized in that: the central authorities of described current transformer body are provided with iron core, be provided with the secondary high-pressure winding above unshakable in one's determination, be provided with a sub-high pressure winding above the secondary high-pressure winding, epoxy resin dashes is filling out whole current transformer body.The utility model is easy to install, and operation does not need to safeguard.In light weight, precision is high, good linearity, measuring range are wide, shortcoming such as the frequency band that has overcome traditional electromagnetic potential transformer is narrow, low-response.Safe, the not danger such as inflammable, explosive that produces because of trapped fuel.Cost is low, instant effect, in existing, the transformation and the raising of low voltage electrical equipment have realistic meaning.And can directly be used in existing in, in the low pressure intermediate switchgear cabinet, all signals transmit by the multiple twin shielding conductor, help strengthening the ability of anti-electromagnetic interference.
Description of drawings:
Fig. 1 is the utility model structural representation;
1. epoxy resin mixed glue, 2. a sub-high pressure winding, 3. secondary high-pressure winding, 4. iron core, 5. current transformer body.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing;
In the drawings, the utility model All Insulating Mid-set Cupboard Using For Electronic Potential Transformer is made up of epoxy resin mixed glue 1, a sub-high pressure winding 2, secondary high-pressure winding 3, iron core 4, current transformer body 5, it is characterized in that: the central authorities of described current transformer body 5 are provided with unshakable in one's determination 4, be provided with secondary high-pressure winding 3 above unshakable in one's determination 4, be provided with a sub-high pressure winding 2 above the secondary high-pressure winding 3, epoxy resin mixed glue 1 is dashed and is being filled out whole current transformer body 5.During concrete enforcement, the utility model adopts series inductance voltage divider principle, mainly be the effect of balance winding and coupling winding, be the magnetic potential balance that guarantees each reactor unit of inductive voltage divider when different voltages, different loads, and make each unit bear electric voltage equalization.The concrete numerical value of balance winding, coupling umber of turn is after Preliminary design, adjusts by the method for measuring each element spread voltage.Adopt the design of series inductance voltage divider, secondary output meets the specified secondary output voltage of IEC60044-7:1999 and GB/T208407-2007 " electronic type voltage transformer " standard.Can be directly and instrument, protective relaying device interface, directly supporting with intermediate switchgear cabinet.Thereby realize the function of metering, control, measurement, protection.
Claims (1)
1. All Insulating Mid-set Cupboard Using For Electronic Potential Transformer is made up of epoxy resin mixed glue (1), a sub-high pressure winding (2), secondary high-pressure winding (3), (4) unshakable in one's determination, current transformer body (5), it is characterized in that: the central authorities of described current transformer body (5) are provided with iron core (4), be provided with secondary high-pressure winding (3) above (4) unshakable in one's determination, be provided with a sub-high pressure winding (2) above the secondary high-pressure winding (3), epoxy resin mixed glue (1) is dashed and is being filled out whole current transformer body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200454508U CN201122506Y (en) | 2007-08-22 | 2007-08-22 | Electronic voltage mutual inductor for full-insulation switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200454508U CN201122506Y (en) | 2007-08-22 | 2007-08-22 | Electronic voltage mutual inductor for full-insulation switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201122506Y true CN201122506Y (en) | 2008-09-24 |
Family
ID=40009743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200454508U Expired - Lifetime CN201122506Y (en) | 2007-08-22 | 2007-08-22 | Electronic voltage mutual inductor for full-insulation switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201122506Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261462A (en) * | 2015-10-30 | 2016-01-20 | 江苏靖江互感器厂有限公司 | Electromagnetic voltage transformer |
-
2007
- 2007-08-22 CN CNU2007200454508U patent/CN201122506Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261462A (en) * | 2015-10-30 | 2016-01-20 | 江苏靖江互感器厂有限公司 | Electromagnetic voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Jingjiang Instrument Transformer Factory Co., Ltd. Assignor: Xiong Jiangyong Contract fulfillment period: 2008.11.10 to 2016.11.30 Contract record no.: 2008320001120 Denomination of utility model: Electronic voltage mutual inductor for full-insulation switchgear Granted publication date: 20080924 License type: Exclusive license Record date: 20081208 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.10 TO 2016.11.30; CHANGE OF CONTRACT Name of requester: JIANGSU JINGJIANG MUTUAL INDUCTOR CO., LTD., FACTO Effective date: 20081208 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160830 Address after: 214500 No. 23, Ping Road, west of Jiangsu, Jingjiang, Zhenjiang Patentee after: Jingjiang Jiangsu mutual inductor Limited by Share Ltd Address before: 214500 No. 23, Ping Road, west of Jiangsu, Jingjiang, Zhenjiang Patentee before: Xiong Jiangyong |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080924 |