CN105374536B - Modular power supply type voltage transformer - Google Patents
Modular power supply type voltage transformer Download PDFInfo
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- CN105374536B CN105374536B CN201510906519.0A CN201510906519A CN105374536B CN 105374536 B CN105374536 B CN 105374536B CN 201510906519 A CN201510906519 A CN 201510906519A CN 105374536 B CN105374536 B CN 105374536B
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- transformer
- pressure vessel
- pressure
- insulating sleeve
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- Transformers For Measuring Instruments (AREA)
Abstract
The present invention relates to a kind of modular power supply type voltage transformer, including pressure vessel, it is characterized in that：Insulating sleeve is set on the pressure vessel, SF is used in pressure vessel and insulating sleeve6Gas is used as dielectric；Transformer portion and transformer part are installed in the pressure vessel, transformer portion and transformer part are connected in parallel by first winding.The transformer portion includes iron core, high-tension coil, low-voltage coil and low pressure radome, and the transformer part includes transformer iron core, transformer low pressure radome and transformer high-tension coil, and the shielding of transformer low pressure is covered on transformer iron core.The high-tension coil connects primary connection by high-pressure conductor and arranged, and high-pressure conductor is arranged in insulating sleeve, and primary connection row is stretched out outside insulating sleeve.The present invention solves part low-capacity electric unit and is taking the difficult situation of civilian electricity, and with the effect of measurement protection high-voltage fence.
Description
Technical field
The present invention relates to a kind of modular power supply type voltage transformer, belong to electrical equipment technical field.
Background technology
SF6Gas-insulated transformer uses non-ignitable, taking precautions against natural calamities property and all good SF of security6Gas as dielectric,
SF6In terms of gas isolated transformer is mainly used in the high-tension electricity conveying of larger capacity.
High-voltage variable into low-voltage, high current can be become low current by transformer, for measuring or protecting system, its function
Mainly by high voltage or high current scaling transformation into normal low voltage or standard small electric current, to realize measuring instrumentss, guarantor
Protect standardization, the miniaturization of equipment and automatic control equipment；Transformer may further be used to separate high-voltage system simultaneously, with guarantor
The safety of body and equipment.
SF6Gas isolated transformer is mainly and GIS（Gas insulated transformer substation）It is supporting.
In the prior art, civilian electricity more difficulty is taken for some low-capacity electric units, such as leading to for some depopulated zones
Believe base station, electric railway etc..
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art there is provided a kind of modular power supply type mutual induction of voltage
Device, large velocity ratio small capacity transformer and high voltage potential transformer are combined so that a product has power supply function of supplying power
With the repertoire of voltage transformer.
The technical scheme provided according to the present invention, the modular power supply type voltage transformer, including pressure vessel, it is special
Levying is：Insulating sleeve is set on the pressure vessel, SF is used in pressure vessel and insulating sleeve6Gas is situated between as insulation
Matter；Transformer portion and transformer part be installed in the pressure vessel, transformer portion and transformer part by once around
Group is connected in parallel.
Further, the transformer portion includes iron core, high-tension coil, low-voltage coil and low pressure radome, low voltage screen
Cover is covered to be arranged between low-voltage coil and iron core；The transformer part include transformer iron core, transformer low pressure radome and
Transformer high-tension coil, transformer low pressure shielding is covered on transformer iron core.
Further, the high-tension coil connects primary connection by high-pressure conductor and arranged, and high-pressure conductor is arranged at insulation sleeve
Guan Zhong, primary connection row is stretched out outside insulating sleeve.
Further, the high-tension coil of the transformer portion and the transformer high-tension coil of transformer part by once around
Group is connected in parallel.
Further, explosion-protection equipment is installed in the bottom of the pressure vessel.
Further, packing density relay in secondary terminals case, secondary terminals case is installed on the outside of the pressure vessel.
Further, set in the bottom of the insulating sleeve and press shielding cylinder.
Modular power supply type voltage transformer of the present invention, using relatively simple method, solves part small
Capacity electric unit is taking the difficult situation of civilian electricity, and ensures the effect of measurement protection high-voltage fence simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of modular power supply type voltage transformer of the present invention.
Fig. 2 is Fig. 1 A direction views.
Fig. 3 is wiring diagram of the invention.
Embodiment
With reference to specific accompanying drawing, the invention will be further described.
As shown in FIG. 1 to 3：The modular power supply type voltage transformer include primary connection row 1, high-pressure conductor 2, absolutely
Edge sleeve pipe 3, pressure shielding cylinder 4, SF6Gas 5, density monitor 6, secondary terminals case 7, iron core 8, high-tension coil 9, low-voltage coil
10th, low pressure radome 11, pressure vessel 12, explosion-protection equipment 13, transformer iron core 14, transformer low pressure radome 15, transformer
High-tension coil 16, first winding 17 etc..
As shown in Figure 1 and Figure 2, the present invention includes pressure vessel 12, insulating sleeve 3 is set on pressure vessel 12, in pressure
Transformer portion A and transformer part B is installed, explosion-protection equipment 13, pressure vessel are installed in the bottom of pressure vessel 12 in container 12
12 outsides are installed by packing density relay 6 in secondary terminals case 7, secondary terminals case 7；The pressure vessel 12 and insulating sleeve 3
Middle use SF6Gas 5 is used as dielectric.
The transformer portion A includes iron core 8, high-tension coil 9, low-voltage coil 10 and low pressure radome 11, low pressure shielding
Cover 11 is arranged between low-voltage coil 10 and iron core 8；The high-tension coil 9 connects primary connection row 1 by high-pressure conductor 2, high
Pressure conductor 2 is arranged in insulating sleeve 3, and primary connection row 1 is stretched out outside insulating sleeve 3.
The transformer part B includes transformer iron core 14, transformer low pressure radome 15 and transformer high-tension coil 16,
Transformer low pressure radome 15 is covered on transformer iron core 14.
The high-tension coil 9 of the transformer portion A and transformer part B transformer high-tension coil 16 are by first winding 17
It is connected in parallel, wiring diagram is as shown in Figure 2.
The bottom of the insulating sleeve 3, which is set, presses shielding cylinder 4.
The present invention combines transformer portion and transformer part among a pressure vessel, in parallel simultaneously by first winding
Drawn by insulating sleeve.Because transformer and transformer are in parallel, both have independent iron core, operationally will not be mutual
Influence, while respective performance requirement is met, the repertoire with power supply function of supplying power and voltage transformer.
Claims (4)
1. a kind of modular power supply type voltage transformer, including pressure vessel（12）, it is characterized in that：In the pressure vessel（12）
Upper setting insulating sleeve（3）, in pressure vessel（12）And insulating sleeve（3）Middle use SF6Gas（5）It is used as dielectric；
The pressure vessel（12）Middle installation transformer portion（A）With transformer part（B）；
The transformer portion（A）Including iron core（8）, high-tension coil（9）, low-voltage coil（10）With low pressure radome（11）, it is low
Press radome（11）It is arranged at low-voltage coil（10）And iron core（8）Between；The transformer part（B）Including transformer iron core
（14）, transformer low pressure radome（15）With transformer high-tension coil（16）, transformer low pressure radome（15）Located at transformer
Iron core（14）On；The transformer portion（A）High-tension coil（9）With transformer part（B）Transformer high-tension coil（16）
By first winding（17）It is connected in parallel；
The high-tension coil（9）Pass through high-pressure conductor（2）Connect primary connection row（1）, high-pressure conductor（2）It is arranged at insulating sleeve
（3）In, primary connection row（1）Stretch out insulating sleeve（3）It is outside.
2. modular power supply type voltage transformer as claimed in claim 1, it is characterized in that：In the pressure vessel（12）Bottom
Portion is installed by explosion-protection equipment（13）.
3. modular power supply type voltage transformer as claimed in claim 1, it is characterized in that：In the pressure vessel（12）Outside
Secondary terminals case is installed（7）, secondary terminals case（7）Middle packing density relay（6）.
4. modular power supply type voltage transformer as claimed in claim 1, it is characterized in that：In the insulating sleeve（3）Under
Portion sets and presses shielding cylinder（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510906519.0A CN105374536B (en) | 2015-12-09 | 2015-12-09 | Modular power supply type voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510906519.0A CN105374536B (en) | 2015-12-09 | 2015-12-09 | Modular power supply type voltage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105374536A CN105374536A (en) | 2016-03-02 |
| CN105374536B true CN105374536B (en) | 2017-09-29 |
Family
ID=55376640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510906519.0A Active CN105374536B (en) | 2015-12-09 | 2015-12-09 | Modular power supply type voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105374536B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502383Y (en) * | 2001-11-02 | 2002-07-24 | 北京电研华源电力技术有限公司 | Dry three-phase combined voltage exchanger |
| CN2743950Y (en) * | 2004-11-24 | 2005-11-30 | 江苏精科互感器有限公司 | Voltage transformer with resonance resisting capacity |
| CN201804697U (en) * | 2010-05-20 | 2011-04-20 | 周干国 | Dry-type electromagnetic unit of capacitor voltage transformer |
| CN102543410A (en) * | 2012-02-16 | 2012-07-04 | 广东电网公司佛山供电局 | Cascade high-potential energy supply device |
| CN202585045U (en) * | 2012-05-09 | 2012-12-05 | 广东四会互感器厂有限公司 | Electrical transformer with voltage measurement and protection function |
| CN103035393A (en) * | 2012-12-27 | 2013-04-10 | 中国西电电气股份有限公司 | Electromagnetic unit and capacitor voltage transformer including electromagnetic unit |
| CN205211581U (en) * | 2015-12-09 | 2016-05-04 | 日新（无锡）机电有限公司 | Modular power type voltage transformer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55121621A (en) * | 1979-03-15 | 1980-09-18 | Nissin Electric Co Ltd | Transformer for condenser-type instrument |
-
2015
- 2015-12-09 CN CN201510906519.0A patent/CN105374536B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502383Y (en) * | 2001-11-02 | 2002-07-24 | 北京电研华源电力技术有限公司 | Dry three-phase combined voltage exchanger |
| CN2743950Y (en) * | 2004-11-24 | 2005-11-30 | 江苏精科互感器有限公司 | Voltage transformer with resonance resisting capacity |
| CN201804697U (en) * | 2010-05-20 | 2011-04-20 | 周干国 | Dry-type electromagnetic unit of capacitor voltage transformer |
| CN102543410A (en) * | 2012-02-16 | 2012-07-04 | 广东电网公司佛山供电局 | Cascade high-potential energy supply device |
| CN202585045U (en) * | 2012-05-09 | 2012-12-05 | 广东四会互感器厂有限公司 | Electrical transformer with voltage measurement and protection function |
| CN103035393A (en) * | 2012-12-27 | 2013-04-10 | 中国西电电气股份有限公司 | Electromagnetic unit and capacitor voltage transformer including electromagnetic unit |
| CN205211581U (en) * | 2015-12-09 | 2016-05-04 | 日新（无锡）机电有限公司 | Modular power type voltage transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105374536A (en) | 2016-03-02 |
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