CN107369544A - A kind of GIS formulas of band electromagnetic shielding are from the standard potential transformer that boosts - Google Patents
A kind of GIS formulas of band electromagnetic shielding are from the standard potential transformer that boosts Download PDFInfo
- Publication number
- CN107369544A CN107369544A CN201710786887.5A CN201710786887A CN107369544A CN 107369544 A CN107369544 A CN 107369544A CN 201710786887 A CN201710786887 A CN 201710786887A CN 107369544 A CN107369544 A CN 107369544A
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- Prior art keywords
- transformer
- standard potential
- potential transformer
- pressure build
- winding
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
Abstract
The embodiment of the present application discloses a kind of GIS formulas of band electromagnetic shielding from the standard potential transformer that boosts, including：Pressure build-up test transformer, standard potential transformer, three-way connection structure, outlet casing tube and grading ring, wherein：The tank body of pressure build-up test transformer and the tank body of standard potential transformer are connected with three-way connection structure respectively, and outlet casing tube connects three-way connection structure and grading ring respectively；Standard potential transformer is internally provided with standard potential transformer component, pressure build-up test inside transformer is provided with pressure build-up test transformer device, and standard potential transformer component and pressure build-up test transformer device are separately fixed in the tank body of pressure build-up test transformer and the tank body of standard potential transformer.By the way that standard potential transformer component and pressure build-up test transformer device are packaged into design, the stray field of pressure rise test transformer can be prevented to flow into standard potential transformer magnetic circuit, so as to ensure the accuracy from standard potential transformer error information of boosting.
Description
Technical field
The application is related to voltage transformer technical field, more particularly to a kind of band electromagnetic shielding GIS formulas from standard of boosting
Voltage transformer.
Background technology
From boosting standard potential transformer be that booster power and standard potential transformer are combined into one, be integrated into one it is whole
The particular criteria voltage transformer of body, equipment usage quantity and wiring quantity when reducing error measure, is readily transported carrying
And execute-in-place.In view of above advantage, the standard potential transformer that boosts certainly is more and more used in the school of voltage transformer
In standard/measurement.At present, voltage transformer calibrates for error/measured, and is substantially all using from boosting standard potential transformer conduct
Calibration/measurement standard, usage amount are very big.
With widely using from boosting standard potential transformer, equipment is also exposed certainly from the standard potential transformer that boosts
The problem of body is present.Because traditional magnetic field caused by booster from the standard potential transformer that boosts is to standard potential transformer
Error has a great influence, and causes to use from during boosting standard potential transformer progress error checking, in fact it could happen that verification data is forbidden
Phenomenon, reduce the accuracy of test data.
The content of the invention
This application provides a kind of GIS formulas of band electromagnetic shielding from boosting standard potential transformer, with solve it is traditional from
Magnetic field caused by booster influences the problem of excessive to standard potential transformer error information in boosting standard potential transformer.
A kind of GIS formulas of band electromagnetic shielding from the standard potential transformer that boosts, including：Pressure build-up test transformer, standard electric
Transformer, three-way connection structure, outlet casing tube and grading ring are pressed, wherein：The tank body and the mark of the pressure build-up test transformer
The tank body of quasi- voltage transformer is connected with the three-way connection structure respectively, and the outlet casing tube connects described three and led to respectively
Binding structure and grading ring；The standard potential transformer is internally provided with standard potential transformer component, and the pressure build-up test becomes
Depressor is internally provided with pressure build-up test transformer device, the standard potential transformer component and the pressure build-up test transformer group
Part is separately fixed in the tank body of the pressure build-up test transformer and the tank body of the standard potential transformer.
Alternatively, the standard potential transformer component includes R shaped iron cores, secondary winding and first winding, the R sections
Core, secondary winding, first winding form standard potential transformer line bag, and the secondary winding is wrapped in the R sections wicking surface,
The first winding is around in the surface of the secondary winding；The pressure build-up test transformer device include laminated core, input around
Group, output winding, compensative winding, the input winding, output winding, compensative winding and laminated core form pressure build-up test transformation
Device line bag, for the input winding technique on the laminated core, the compensative winding is wound on the input winding surface, institute
Output winding technique is stated on the compensative winding surface；It is equal that the standard potential transformer component and the pressure build-up test become component
Also include：Screened film, radome, pillar radome, iron core short brink magnetic shield panel and iron core long side magnetic shield panel, described one
Last circle of secondary winding is connected with the screened film, and last circle of the output winding is connected with the screened film, described
Screened film is copper foils for shielding film, and the pillar radome is arranged on the radome, the iron core short brink magnetic shield panel and
The iron core long side magnetic shield panel is respectively fixedly disposed on the inside of the short side of the R shaped iron cores and on the inside of long side.
Alternatively, the three-way connection structure is provided with pressure build-up test transformer adpting flange, standard potential transformer connects
Acting flange and outlet casing tube adpting flange, the tank body of the pressure build-up test transformer, the tank body of the standard potential transformer and
The outlet casing tube passes through the pressure build-up test transformer adpting flange, the standard potential transformer adpting flange and institute respectively
State outlet casing tube adpting flange with the three-way connection structure to be connected, the leading-out terminal phase of the grading ring and the outlet casing tube
Connection.
Alternatively, three port conducting rod connecting tubes are provided with the three-way connection structure, the three ports conducting rod connects
Adapter and the pillar radome of the corresponding pressure build-up test transformer, the pillar radome of the standard potential transformer and institute
The connection of outlet casing tube leading-out terminal is stated, it is high to be respectively arranged with step-up transformer high-voltage terminal end connection port, standard potential transformer
Extrude line end connection port and port is connected with outlet casing tube high-voltage output end, the three ports conducting rod connecting tube, which is integrally formed, to be set
Meter.
Alternatively, the pressure build-up test transformer and the standard potential transformer are connected with same air chamber, the gas
Interior is full of SF6Insulating gas, the air pressure in the air chamber is 0.3-0.4Mpa.
Alternatively, the standard potential transformer line bag and the pressure build-up test transformer wire bag inner winding layer and layer it
Between be provided with insulation film.
Alternatively, the iron core short brink magnetic shield panel and the iron core long side magnetic shield panel are alloy magnetic shield panel,
Thickness is 10-12mm.
Alternatively, the leading-out terminal of the output winding and the leading-out terminal of the first winding are high-voltage terminal end.
Alternatively, the width of the iron core short brink magnetic shield panel and winding is vertical to extension plane, the iron core long side
Magnetic shield panel is vertical with the Longitudinal extending plane of winding.
Alternatively, the shell of the pressure build-up test transformer device, the shell and three of the standard potential transformer component
The shell of logical attachment structure is the shell of Q235 materials.
From such scheme, the GIS formulas of band electromagnetic shielding that the embodiment of the present application provides a kind of are from boosting normal voltage
Transformer, including：Pressure build-up test transformer, standard potential transformer, three-way connection structure, outlet casing tube and grading ring, wherein：
The tank body of pressure build-up test transformer and the tank body of standard potential transformer are connected with three-way connection structure respectively, outlet casing tube point
Lian Jie not three-way connection structure and grading ring；Standard potential transformer is internally provided with standard potential transformer component, boosting examination
Test inside transformer and be provided with pressure build-up test transformer device, standard potential transformer component and pressure build-up test transformer device point
It is not fixed in the tank body of pressure build-up test transformer and the tank body of standard potential transformer.By by standard potential transformer component
Design is packaged with pressure build-up test transformer device, the stray field of pressure rise test transformer can be prevented to flow into normal voltage mutual inductance
Device magnetic circuit, so as to ensure the accuracy from standard potential transformer error information of boosting.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Knot of the GIS formulas for the band electromagnetic shielding that Fig. 1 provides for the application from standard potential transformer one embodiment of boosting
Structure schematic diagram；
Fig. 2 is the structural representation of the one embodiment for the standard potential transformer component that the application provides；
Fig. 3 is the structural representation of the one embodiment for the three-way connection structure that the application provides；
Fig. 4 is the structural representation of three port conducting rod connecting tube one embodiment that the application provides；
Fig. 5 is the structural representation of outlet casing tube one embodiment that the application provides；
In Fig. 1-5, symbol is expressed as：1- pressure build-up test transformers, 2- standard potential transformers, 3- three-way connection structures,
4- outlet casing tubes, 5- grading rings, 6-R shaped iron cores, 7- secondary windings, 8- first windings, 9- screened films, 10- radomes, 11- branch
Post radome, 12- iron core short brink magnetic shield panels, 13- iron core long side magnetic shield panels, 14- pressure build-up test transformer connection methods
Orchid, 15- standard potential transformer adpting flanges, 16- outlet casing tube adpting flanges, the connection of 17- step-up transformer high-voltage terminals end
Port, 18- standard potential transformer high-voltage terminals end connection port, 19- outlet casing tubes high voltage input terminal connection port, 20- go out
Thread casing high voltage input terminal, 21- outlet casing tube high-voltage output ends.
Embodiment
Referring to Fig. 1, the GIS formulas of the band electromagnetic shielding provided for the application are from standard potential transformer one embodiment of boosting
Structural representation, as shown in figure 1, the band electromagnetic shielding GIS formulas from boost standard potential transformer include：Pressure build-up test
Transformer 1, standard potential transformer 2, three-way connection structure 3, outlet casing tube 4 and grading ring 5, wherein：The pressure build-up test becomes
The tank body of the tank body of depressor 1 and the standard potential transformer 2 is connected with the three-way connection structure 3 respectively, the boosting
Testing transformer 1 and the standard potential transformer 2 are connected with same air chamber, are full of SF in the air chamber6Insulating gas, institute
It is 0.3-0.4Mpa to state the air pressure in air chamber.The outlet casing tube 4 connects the three-way connection structure 3 and grading ring 5 respectively, such as
Shown in Fig. 5, the outlet casing tube 4 includes outlet casing tube high voltage input terminal 20 and outlet casing tube high-voltage output end 21.The standard
Voltage transformer 2 is internally provided with standard potential transformer component, and the pressure build-up test transformer 1 is internally provided with pressure build-up test
Transformer device, the standard potential transformer component and the pressure build-up test transformer device are separately fixed at the boosting examination
Test in the tank body of transformer 1 and the tank body of the standard potential transformer 2.
As shown in Fig. 2 the standard potential transformer 2 is internally provided with standard potential transformer component, the standard electric
Press transformer component include R shaped iron cores 6, secondary winding 7, first winding 8, screened film 9, shielding cover plate 10, pillar radome 11,
Iron core short brink magnetic shield panel 12 and iron core long side magnetic shield panel 13.The secondary winding 7 is wrapped in the table of R shaped iron cores 6
Face, the first winding 8 are around in the surface of the secondary winding 7, and described last circle of first winding 8 is connected with screened film 9, institute
State radome 10 and be arranged at the outside of screened film 9, the pillar radome 11 is arranged on the radome 10, the iron core short side
Side magnetic shield panel 12 and the iron core long side magnetic shield panel 13 be respectively fixedly disposed on the inside of the short sides of the R shaped iron cores 6 and
On the inside of long side.The R shaped iron cores 6 include two short sides and two long sides, therefore the iron core short brink magnetic shield panel 12 and institute
Stating iron core long side magnetic shield panel 13 has two groups.The iron core short brink magnetic shield panel of the standard potential transformer component
12 is vertical to extension plane with the width of winding, and the iron core long side magnetic shield panel 13 is vertical with the Longitudinal extending plane of winding.
The iron core short brink magnetic shield panel 12 and the iron core long side magnetic shield panel 13 are alloy material, thickness 10-12mm, table
Face is smooth, and four sides are chamfered, and can effectively reduce influences caused by line bag leakage field.
The pressure build-up test transformer 1 is internally provided with pressure build-up test transformer device, the iron core of the transformer device
For laminated core, the pressure build-up test transformer device includes input winding, exports winding, compensative winding, the input winding,
Export winding, compensative winding and laminated core and form pressure build-up test transformer wire bag, the input winding technique is in the lamination
On iron core, the compensative winding is wound on the input winding surface, and the output winding technique is on the compensative winding surface.
The pressure build-up test transformer device is same with the standard potential transformer component to be included：Screened film, radome, pillar screen
Cover cover, iron core short brink magnetic shield panel and iron core long side magnetic shield panel, last circle of the output winding and the shielding
Film (9) connects, the screened film, radome, pillar radome, iron core short brink magnetic shield panel and iron core long side magnetic shield panel
Attachment structure it is identical with the structural union of the standard potential transformer component internal, will not be repeated here.
The standard potential transformer component and the pressure build-up test transformer fe component internal winding are set between layers
It is equipped with insulation film.The leading-out terminal of the output winding of the pressure build-up test transformer core component internal is high-voltage terminal end, institute
The leading-out terminal for stating the first winding 8 of standard potential transformer component internal is high-voltage terminal end.The pressure build-up test transformer group
The shell of part, the shell of the standard potential transformer component and three-way connection structure are Q235 materials, and the material has
Preferable magnetic property, it can effectively prevent pressure build-up test Magnetic Leakage Field of Transformer from penetrating shell and flow into standard potential transformer itself
Magnetic circuit, and then ensured the accuracy of standard potential transformer error information.The pressure build-up test transformer device and standard electric
The high-voltage terminal end of pressure transformer component is mounted on pillar radome, and the pillar radome is aluminum alloy material, in internal
Sky, surfaces externally and internally Glabrous thorn.
As shown in figure 3, to be provided with pressure build-up test transformer adpting flange 14, normal voltage mutual for the three-way connection structure 3
Sensor adpting flange 15 and outlet casing tube adpting flange 16, the leading-out terminal of the pressure build-up test transformer 1, the normal voltage are mutual
The end of incoming cables of the leading-out terminal of sensor 2 and the outlet casing tube 4 is respectively by the pressure build-up test transformer adpting flange 14, described
Standard potential transformer adpting flange 15 and the outlet casing tube adpting flange 16 are connected with the three-way connection structure 3, institute
The leading-out terminal that grading ring 5 is stated with the outlet casing tube 4 is connected.
As shown in figure 4, being provided with three port conducting rod connecting tubes in the three-way connection structure 3, three port is conductive
Bar connecting tube correspond to the pressure build-up test transformer adpting flange 14, the standard potential transformer adpting flange 15 and it is described go out
Thread casing adpting flange 16 is respectively arranged with step-up transformer high-voltage terminal end connection port 17, the high extrusion of standard potential transformer
Line end connection port 18 connects port 19 with outlet casing tube high-voltage output end, and the three ports conducting rod connecting tube, which is integrally formed, to be set
Meter.
The mark from above-described embodiment as can be seen that a kind of GIS formulas for band electromagnetic shielding that the embodiment of the present application provides are boosted certainly
Quasi- voltage transformer, including：The GIS formulas of the band electromagnetic shielding include from the standard potential transformer that boosts：Pressure build-up test transformation
Device 1, standard potential transformer 2, three-way connection structure 3, outlet casing tube 4 and grading ring 5, wherein：The pressure build-up test transformer 1
Tank body and the tank body of the standard potential transformer 2 be connected respectively with the three-way connection structure 3, the pressure build-up test becomes
Depressor 1 and the standard potential transformer 2 are connected with same air chamber, are full of SF in the air chamber6Insulating gas, the air chamber
Interior air pressure is 0.3-0.4Mpa.The outlet casing tube 4 connects the three-way connection structure 3 and grading ring 5, the standard respectively
Voltage transformer 2 is internally provided with standard potential transformer component, and the pressure build-up test transformer 1 is internally provided with pressure build-up test
Transformer device, the standard potential transformer component and the pressure build-up test transformer device are separately fixed at the boosting examination
Test in the tank body of transformer 1 and the tank body of the standard potential transformer 2.The pressure build-up test transformer device and normal voltage
The radome and magnetic shield panel set inside transformer component, radome and magnetic shield panel can uniform plenum interior electric field, change
Extremely uneven reactance and slightly uneven power plant are uniform electric field, can effectively prevent electric discharge phenomena, improve the safety of experiment
Property.Pressure build-up test transformer 1 and the shell of standard potential transformer 2 are that Q235 materials can effectively prevent pressure build-up test transformer
Stray field penetrates shell and flows into standard potential transformer itself magnetic circuit, and then has ensured the standard of standard potential transformer error information
True property.
Above-described the application embodiment does not form the restriction to the application protection domain.
Claims (10)
- The standard potential transformer 1. a kind of GIS formulas of band electromagnetic shielding are boosted certainly, it is characterised in that including：Pressure build-up test transformation Device (1), standard potential transformer (2), three-way connection structure (3), outlet casing tube (4) and grading ring (5), wherein：The boosting The tank body of testing transformer (1) and the tank body of the standard potential transformer (2) are connected with the three-way connection structure (3) respectively Connect, the outlet casing tube (4) connects the three-way connection structure (3) and grading ring (5) respectively；The standard potential transformer (2) is internally provided with standard potential transformer component, and the pressure build-up test transformer (1) is interior Portion is provided with pressure build-up test transformer device, the standard potential transformer component and pressure build-up test transformer device difference It is fixed in the tank body of the pressure build-up test transformer (1) and the tank body of the standard potential transformer (2).
- The standard potential transformer 2. the GIS formulas of band electromagnetic shielding according to claim 1 are boosted certainly, it is characterised in that institute Stating standard potential transformer component includes R shaped iron cores (6), secondary winding (7) and first winding (8), the R shaped iron cores (6), two Secondary winding (7), first winding (8) form standard potential transformer line bag, and the secondary winding (7) is wrapped in the R shaped iron cores (6) surface, the first winding (8) are around in the surface of the secondary winding (7)；The pressure build-up test transformer device include laminated core, input winding, output winding, compensative winding, it is described input around Group, output winding, compensative winding and laminated core form pressure build-up test transformer wire bag, and the input winding technique is described folded On piece iron core, the compensative winding is wound on the input winding surface, and the output winding technique is in the compensative winding table Face；The standard potential transformer component and the pressure build-up test, which become component, also to be included：Screened film (9), radome (10), Pillar radome (11), iron core short brink magnetic shield panel (12) and iron core long side magnetic shield panel (13), the first winding (8) Last circle be connected with the screened film (9), it is described output winding last circle be connected with the screened film (9), it is described Screened film (9) is copper foils for shielding film, and the pillar radome (11) is arranged on the radome (10), the iron core short brink Magnetic shield panel (12) and the iron core long side magnetic shield panel (13) are respectively fixedly disposed in the short side of the R shaped iron cores (6) On the inside of side and long side.
- The standard potential transformer 3. the GIS formulas of band electromagnetic shielding according to claim 2 are boosted certainly, it is characterised in that institute State three-way connection structure (3) and be provided with pressure build-up test transformer adpting flange (14), standard potential transformer adpting flange (15) With outlet casing tube adpting flange (16), tank body, the tank of the standard potential transformer (2) of the pressure build-up test transformer (1) Body and the outlet casing tube (4) pass through the pressure build-up test transformer adpting flange (14), the standard potential transformer respectively Adpting flange (15) and the outlet casing tube adpting flange (16) are connected with the three-way connection structure (3), the grading ring (5) leading-out terminal with the outlet casing tube (4) is connected.
- The standard potential transformer 4. the GIS formulas of band electromagnetic shielding according to claim 3 are boosted certainly, it is characterised in that institute State in three-way connection structure (3) and be provided with three port conducting rod connecting tubes, the three ports conducting rod connecting tube and corresponding institute State the pillar radome of pressure build-up test transformer, the pillar radome of the standard potential transformer and the outlet casing tube outlet End connection, it is respectively arranged with step-up transformer high-voltage terminal end connection port (17), standard potential transformer high-voltage terminal end connects Connect mouth (18) and port (19) is connected with outlet casing tube high-voltage output end, the three ports conducting rod connecting tube, which is integrally formed, to be set Meter.
- The standard potential transformer 5. the GIS formulas of the band electromagnetic shielding according to claim any one of 1-4 are boosted certainly, its feature It is, the pressure build-up test transformer (1) and the standard potential transformer (2) are connected with same air chamber, in the air chamber Full of SF6 insulating gas, the air pressure in the air chamber is 0.3-0.4Mpa.
- The standard potential transformer 6. the GIS formulas of band electromagnetic shielding according to claim 5 are boosted certainly, it is characterised in that institute State and be provided with insulation film between standard potential transformer line bag and the pressure build-up test transformer wire bag inner winding layer and layer.
- The standard potential transformer 7. the GIS formulas of band electromagnetic shielding according to claim 6 are boosted certainly, it is characterised in that institute State iron core short brink magnetic shield panel (12) and the iron core long side magnetic shield panel (13) is alloy magnetic shield panel, thickness 10- 12mm。
- The standard potential transformer 8. the GIS formulas of band electromagnetic shielding according to claim 2 are boosted certainly, it is characterised in that institute It is high-voltage terminal end to state the leading-out terminal of output winding and the leading-out terminal of the first winding (8).
- The standard potential transformer 9. the GIS formulas of band electromagnetic shielding according to claim 8 are boosted certainly, it is characterised in that institute It is vertical to extension plane to state the width of iron core short brink magnetic shield panel (12) and winding, the iron core long side magnetic shield panel (13) with The Longitudinal extending plane of winding is vertical.
- The standard potential transformer 10. the GIS formulas of band electromagnetic shielding according to claim 9 are boosted certainly, it is characterised in that institute The shell for stating the shell of pressure build-up test transformer device, the shell of the standard potential transformer component and three-way connection structure is equal For the shell of Q235 materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786887.5A CN107369544B (en) | 2017-09-04 | 2017-09-04 | GIS type self-boosting standard voltage transformer with electromagnetic shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786887.5A CN107369544B (en) | 2017-09-04 | 2017-09-04 | GIS type self-boosting standard voltage transformer with electromagnetic shielding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107369544A true CN107369544A (en) | 2017-11-21 |
| CN107369544B CN107369544B (en) | 2023-09-15 |
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| CN201710786887.5A Active CN107369544B (en) | 2017-09-04 | 2017-09-04 | GIS type self-boosting standard voltage transformer with electromagnetic shielding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506676A (en) * | 2021-06-16 | 2021-10-15 | 云南电网有限责任公司 | Partial discharge-free self-boosting multi-transformation-ratio standard voltage transformer and test method |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156221A (en) * | 1976-09-20 | 1979-05-22 | Messwandler-Bau Gmbh | Audio-frequency injection transformers for ripple control |
| US4705975A (en) * | 1985-07-30 | 1987-11-10 | Voest-Alpine Automotive Gesselschaft | Synchro-generator |
| CN2211646Y (en) * | 1994-12-23 | 1995-11-01 | 胡清亮 | Constant voltage regulator with dual compensation |
| CN2919481Y (en) * | 2006-06-15 | 2007-07-04 | 武汉高压研究所 | 765kV electromagnetic standard voltage mutual inductor with single stage structure |
| CN101188355A (en) * | 2007-11-29 | 2008-05-28 | 北京四方继保工程技术有限公司 | Method for converting the end electric screen current of mutual inductor into line voltage and insulation line monitoring device |
| US20080191815A1 (en) * | 2003-08-21 | 2008-08-14 | Hioki Denki Kabushiki Kaisha | Filter element |
| CN201251622Y (en) * | 2008-09-19 | 2009-06-03 | 陕西电力科学研究院 | Heavy current up-flow aggregate unit for field test of 750v current transformator |
| CN201828658U (en) * | 2010-10-25 | 2011-05-11 | 苏州华电电气股份有限公司 | Integrated on-site check-out equipment for power and voltage transformer |
| CN102253257A (en) * | 2011-04-27 | 2011-11-23 | 国网电力科学研究院 | Integrated standard device for field calibration of extra/ultra high voltage capacitor voltage transformer (CVT) |
| CN202110270U (en) * | 2011-04-27 | 2012-01-11 | 国网电力科学研究院 | Integrated standard device for on-site inspection of super/ extra high voltage constant-voltage transformer (CVT) |
| US20120081202A1 (en) * | 2010-09-30 | 2012-04-05 | Rockwell Automation Technologies, Inc. | High speed transformer |
| CN102455419A (en) * | 2010-10-25 | 2012-05-16 | 苏州华电电气股份有限公司 | On-site calibration equipment of integrated electric power voltage transformer |
| CN203277074U (en) * | 2013-04-07 | 2013-11-06 | 北京铁道工程机电技术研究所有限公司 | Voltage transformer |
| CN106134505B (en) * | 2011-06-09 | 2014-04-09 | 北京卫星制造厂 | A kind of many output two-stage DC/DC converter that adopts composite PCB type transformer |
| CN203658490U (en) * | 2013-11-21 | 2014-06-18 | 国家电网公司 | Vehicle-borne GIS type testing transformer and standard voltage transformer assembly |
| CN204009042U (en) * | 2014-07-31 | 2014-12-10 | 国家电网公司 | A kind of calibration equipment that boosts for industrial frequency resonance test |
| CN204832380U (en) * | 2015-07-20 | 2015-12-02 | 山东泰开互感器有限公司 | Novel voltage transformer error checking equipment |
| CN205176192U (en) * | 2015-11-27 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | Device of capacitance type potential transformer polarity is measured to self excitation method |
| CN105606951A (en) * | 2015-11-27 | 2016-05-25 | 云南电网有限责任公司电力科学研究院 | Method and device for measuring polarity of capacitor voltage transformer by using self-excitation method |
| US20160193475A1 (en) * | 2012-12-21 | 2016-07-07 | NorthCo Ventures GmbH & Co. KG | Apparatus and method for treatment of organic human tissue with a low pressure plasma |
| CN106842100A (en) * | 2017-04-13 | 2017-06-13 | 云南电网有限责任公司电力科学研究院 | Capacitance type potential transformer, fault simulation system and method for fault simulation |
| CN206387898U (en) * | 2016-12-13 | 2017-08-08 | 云南电网有限责任公司电力科学研究院 | A kind of DC voltage transformer transient response checked for characteristics device |
| CN207458746U (en) * | 2017-09-04 | 2018-06-05 | 云南电网有限责任公司电力科学研究院 | A kind of GIS formulas of band electromagnetic shielding are from the standard potential transformer that boosts |
-
2017
- 2017-09-04 CN CN201710786887.5A patent/CN107369544B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156221A (en) * | 1976-09-20 | 1979-05-22 | Messwandler-Bau Gmbh | Audio-frequency injection transformers for ripple control |
| US4705975A (en) * | 1985-07-30 | 1987-11-10 | Voest-Alpine Automotive Gesselschaft | Synchro-generator |
| CN2211646Y (en) * | 1994-12-23 | 1995-11-01 | 胡清亮 | Constant voltage regulator with dual compensation |
| US20080191815A1 (en) * | 2003-08-21 | 2008-08-14 | Hioki Denki Kabushiki Kaisha | Filter element |
| CN2919481Y (en) * | 2006-06-15 | 2007-07-04 | 武汉高压研究所 | 765kV electromagnetic standard voltage mutual inductor with single stage structure |
| CN101188355A (en) * | 2007-11-29 | 2008-05-28 | 北京四方继保工程技术有限公司 | Method for converting the end electric screen current of mutual inductor into line voltage and insulation line monitoring device |
| CN201251622Y (en) * | 2008-09-19 | 2009-06-03 | 陕西电力科学研究院 | Heavy current up-flow aggregate unit for field test of 750v current transformator |
| US20120081202A1 (en) * | 2010-09-30 | 2012-04-05 | Rockwell Automation Technologies, Inc. | High speed transformer |
| CN201828658U (en) * | 2010-10-25 | 2011-05-11 | 苏州华电电气股份有限公司 | Integrated on-site check-out equipment for power and voltage transformer |
| CN102455419A (en) * | 2010-10-25 | 2012-05-16 | 苏州华电电气股份有限公司 | On-site calibration equipment of integrated electric power voltage transformer |
| CN202110270U (en) * | 2011-04-27 | 2012-01-11 | 国网电力科学研究院 | Integrated standard device for on-site inspection of super/ extra high voltage constant-voltage transformer (CVT) |
| CN102253257A (en) * | 2011-04-27 | 2011-11-23 | 国网电力科学研究院 | Integrated standard device for field calibration of extra/ultra high voltage capacitor voltage transformer (CVT) |
| CN106134505B (en) * | 2011-06-09 | 2014-04-09 | 北京卫星制造厂 | A kind of many output two-stage DC/DC converter that adopts composite PCB type transformer |
| US20160193475A1 (en) * | 2012-12-21 | 2016-07-07 | NorthCo Ventures GmbH & Co. KG | Apparatus and method for treatment of organic human tissue with a low pressure plasma |
| CN203277074U (en) * | 2013-04-07 | 2013-11-06 | 北京铁道工程机电技术研究所有限公司 | Voltage transformer |
| CN203658490U (en) * | 2013-11-21 | 2014-06-18 | 国家电网公司 | Vehicle-borne GIS type testing transformer and standard voltage transformer assembly |
| CN204009042U (en) * | 2014-07-31 | 2014-12-10 | 国家电网公司 | A kind of calibration equipment that boosts for industrial frequency resonance test |
| CN204832380U (en) * | 2015-07-20 | 2015-12-02 | 山东泰开互感器有限公司 | Novel voltage transformer error checking equipment |
| CN205176192U (en) * | 2015-11-27 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | Device of capacitance type potential transformer polarity is measured to self excitation method |
| CN105606951A (en) * | 2015-11-27 | 2016-05-25 | 云南电网有限责任公司电力科学研究院 | Method and device for measuring polarity of capacitor voltage transformer by using self-excitation method |
| CN206387898U (en) * | 2016-12-13 | 2017-08-08 | 云南电网有限责任公司电力科学研究院 | A kind of DC voltage transformer transient response checked for characteristics device |
| CN106842100A (en) * | 2017-04-13 | 2017-06-13 | 云南电网有限责任公司电力科学研究院 | Capacitance type potential transformer, fault simulation system and method for fault simulation |
| CN207458746U (en) * | 2017-09-04 | 2018-06-05 | 云南电网有限责任公司电力科学研究院 | A kind of GIS formulas of band electromagnetic shielding are from the standard potential transformer that boosts |
Non-Patent Citations (1)
| Title |
|---|
| 王俊凯、梁仕斌、刘涛、普严冉: "变压器漏感特性分析", pages 82 - 85 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506676A (en) * | 2021-06-16 | 2021-10-15 | 云南电网有限责任公司 | Partial discharge-free self-boosting multi-transformation-ratio standard voltage transformer and test method |
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