CN204832380U - Novel voltage transformer error checking equipment - Google Patents
Novel voltage transformer error checking equipment Download PDFInfo
- Publication number
- CN204832380U CN204832380U CN201520527998.0U CN201520527998U CN204832380U CN 204832380 U CN204832380 U CN 204832380U CN 201520527998 U CN201520527998 U CN 201520527998U CN 204832380 U CN204832380 U CN 204832380U
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- reactor
- standard
- voltage transformer
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- iron core
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Abstract
The utility model relates to a novel voltage transformer error checking equipment belongs to a voltage transformer for the power station is on -the -spot, exerts power frequency voltage and carries out the error -detecting, category voltage transformer testing equipment field voltage transformer. Mainly by once connecing line method orchid, conducting rod, wire, silicon rubber sleeve pipe, standard casing, standard coil, standard iron core, shield cover, reactor coil, reactor iron core, reactor casing, inflation valve and secondary terminal box to form, the utility model provides a reactor and the inconvenient transportation of standard voltage mutual -inductor in the past to and need adopt the difficult problem that the crane sticked up at the scene. The device integration degree is high, and the transportation is convenient, improves testing personnel's work efficiency and security, can satisfy the test requirement who applys power frequency voltage and error -detecting to voltage transformer in the power station scene.
Description
(1) technical field
The utility model voltage transformer error calibration equipment, relates to a kind of voltage transformer error checkout equipment, is mainly used in scene, power station, carries out applying power-frequency voltage and carry out error-detecting to voltage transformer (VT), belongs to voltage transformer test apparatus field.
(2) background technology
Traditional voltage transformer error checkout equipment, general two joints or the two above oil immersed types of joint or dry reactor of adopting carry out resonance step-up, then coordinate independent standard potential transformer equipment to carry out error-detecting, and equipment set volume is comparatively large, and transport is also inconvenient.Also need high-altitude wiring to scene, power station, add the danger of testing crew work high above the ground.Burning, easily appear puncturing in using in oil immersed type or dry reactor non-uniform electric.Reactor whole height is higher, is inconvenient to bridge, culvert etc. in transportation, and as adopted split means of transportation, also need to scene, power station to be installed to together by often saving reactor by instruments such as cranes, add the working strength of testing crew, test efficiency is lower.
(3) summary of the invention
The object of the design is a kind of novel voltage mutual inductor error checking equipment of research and development, adopts series resonance principal, by regulating reactor inductance value to make test loop reach resonant condition, realizes requirement voltage transformer (VT) being applied to power-frequency voltage.Standard potential transformer and voltage transformer (VT) are connected in parallel at high-pressure side, and both draw measuring error by secondary voltage comparison.Testing crew need not arrive eminence and carry out wiring, improves work efficiency and the security of testing crew.
The utility model solves the technical scheme that its technical matters adopts: a kind of novel voltage mutual inductor error checking equipment, primarily of primary connection flange, conducting rod, wire, silicone rubber sleeve, standard housings, standard coil, standard iron core, radome, reactor winding, core of reactor, reactor housing, gas filling valve, secondary terminal box forms, it is characterized in that: primary connection flange to be arranged on silicone rubber sleeve on section, conducting rod is fixed on primary connection flange, wire one end is connected with primary connection flange lower surface, wire one end is connected with standard coil, standard coil is enclosed within standard iron core, silicone rubber sleeve is connected with standard housings upper flange surface, standard iron core is fixed on standard housings inwall, and radome one end is connected with standard coil, and radome one end is connected with reactor winding, reactor winding is enclosed within core of reactor, core of reactor is fixed in reactor inner walls, and reactor housing installs gas filling valve outward, and standard housings installs secondary terminal box outward.
The beneficial effect of the design is that inside is placed with guarded electrode, improves apparatus insulated intensity, and adopt insulating gas and insulation film as major insulation, insulating gas is SF
6gas, insulation film is high temperature resistant by force, dielectric strength is high, the stable insulation of insulating gas is reliable, without aging sorrow, and there is insulation self-reparability, exempt from operation maintenance, non-oil ultra high vacuum system, without fire hazard, free from environmental pollution, device integration is high, convenient transportation, improves work efficiency and the security of testing crew, through theory calculate, quality factor of reactor Q>=80, standard potential transformer accuracy class reaches 0.005-0.1 level.
(4) accompanying drawing explanation
Fig. 1 is the cross section view of voltage transformer error calibration equipment.
1. primary connection flange, 2. conducting rod, 3. wire, 4. silicone rubber sleeve, 5. standard housings, 6. standard coils, 7. standard iron core, 8. radome, 9. reactor winding, 10. core of reactor in figure, 11. reactor housings, 12. gas filling valves, 13. secondary terminal boxes.
(5) embodiment
Realize the utility model below in conjunction with accompanying drawing to elaborate.
In FIG, primary connection flange (1) is arranged on the upper section of silicone rubber sleeve (4), conducting rod (2) is fixed on primary connection flange (1), wire (3) one end is connected with primary connection flange (1) lower surface, wire (3) one end is connected with standard coil (6), standard coil (6) is enclosed within standard iron core (7), silicone rubber sleeve (4) is connected with standard housings (5) upper flange surface, standard iron core (7) is fixed on standard housings (5) inwall, radome (8) one end is connected with standard coil (6), radome (8) one end is connected with reactor winding (9), reactor winding (9) is enclosed within core of reactor (10), core of reactor (10) is fixed on reactor housing (11) inwall, reactor housing (11) installs gas filling valve (12) outward, standard housings (5) installs secondary terminal box (13) outward.
Wherein, core of reactor adopts single-stage laminated core, and iron core shape is " shape of the mouth as one speaks ".Standard coil and reactor winding are arranged on same air chamber.
In the utility model, primary connection flange, conducting rod material are steel/Q235A or aluminium/5A02, and radome material is aluminium/5A02, and standard housings and reactor case material are steel/Q235A or aluminium/5A02.
The present invention passes through experimental test, complete equipment overall quality factor Q >=80, standard potential transformer accuracy class reaches 0.005-0.1 level, there is insulation self-reparability, exempt from operation maintenance, non-oil ultra high vacuum system, without fire hazard, free from environmental pollution, device integration is high, convenient transportation, improves work efficiency and the security of testing crew.On-the-spot testing requirements voltage transformer (VT) being applied to power-frequency voltage and error-detecting in power station can be met.
Claims (3)
1. a novel voltage mutual inductor error checking equipment, primarily of primary connection flange, conducting rod, wire, silicone rubber sleeve, standard housings, standard coil, standard iron core, radome, reactor winding, core of reactor, reactor housing, gas filling valve, secondary terminal box forms, it is characterized in that: primary connection flange to be arranged on silicone rubber sleeve on section, conducting rod is fixed on primary connection flange, wire one end is connected with primary connection flange lower surface, wire one end is connected with standard coil, standard coil is enclosed within standard iron core, silicone rubber sleeve is connected with standard housings upper flange surface, standard iron core is fixed on standard housings inwall, radome one end is connected with standard coil, radome one end is connected with reactor winding, reactor winding is enclosed within core of reactor, core of reactor is fixed in reactor inner walls, reactor housing installs gas filling valve outward, standard housings installs secondary terminal box outward.
2. a kind of novel voltage mutual inductor error checking equipment according to claim 1, is characterized in that: core of reactor adopts single-stage laminated core, and iron core shape is " shape of the mouth as one speaks ".
3. a kind of novel voltage mutual inductor error checking equipment according to claim 1, is characterized in that: standard coil and reactor winding are at same air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527998.0U CN204832380U (en) | 2015-07-20 | 2015-07-20 | Novel voltage transformer error checking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527998.0U CN204832380U (en) | 2015-07-20 | 2015-07-20 | Novel voltage transformer error checking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204832380U true CN204832380U (en) | 2015-12-02 |
Family
ID=54689965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520527998.0U Expired - Fee Related CN204832380U (en) | 2015-07-20 | 2015-07-20 | Novel voltage transformer error checking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204832380U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742044A (en) * | 2016-05-11 | 2016-07-06 | 山东泰开互感器有限公司 | 500kV wide-transformation-ratio standard voltage transformer |
| CN106054101A (en) * | 2016-07-29 | 2016-10-26 | 全球能源互联网研究院 | Live verification method of current transformer |
| CN107369544A (en) * | 2017-09-04 | 2017-11-21 | 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 |
-
2015
- 2015-07-20 CN CN201520527998.0U patent/CN204832380U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742044A (en) * | 2016-05-11 | 2016-07-06 | 山东泰开互感器有限公司 | 500kV wide-transformation-ratio standard voltage transformer |
| CN106054101A (en) * | 2016-07-29 | 2016-10-26 | 全球能源互联网研究院 | Live verification method of current transformer |
| CN107369544A (en) * | 2017-09-04 | 2017-11-21 | 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 |
| CN107369544B (en) * | 2017-09-04 | 2023-09-15 | 云南电网有限责任公司电力科学研究院 | GIS type self-boosting standard voltage transformer with electromagnetic shielding |
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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: 20151202 Termination date: 20190720 |