CN105742044A - 500kV wide-transformation-ratio standard voltage transformer - Google Patents
500kV wide-transformation-ratio standard voltage transformer Download PDFInfo
- Publication number
- CN105742044A CN105742044A CN201610311173.4A CN201610311173A CN105742044A CN 105742044 A CN105742044 A CN 105742044A CN 201610311173 A CN201610311173 A CN 201610311173A CN 105742044 A CN105742044 A CN 105742044A
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- CN
- China
- Prior art keywords
- connection plate
- voltage transformer
- transformation
- ratio standard
- wide
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- 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.)
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Classifications
-
- 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
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- 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
- H01F27/288—Shielding
- H01F27/2885—Shielding with shields or electrodes
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- 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
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
Abstract
The invention relates to a 500kV wide-transformation-ratio standard voltage transformer and belongs to the field of error measurement equipment of voltage transformers. The 500kV wide-transformation-ratio standard voltage transformer is mainly composed of a voltage equalization cover, a primary wiring board, an insulating sleeve, a conductive rod, a lead wire, a shell body, a high-voltage shielding cover, a primary coil, a secondary coil, an iron core assembly, an inflation valve, a connection flange and a secondary wiring board. Through testing and verification, the 500kV wide-transformation-ratio standard voltage transformer is high in insulation level, small in iron core magnetic density and good in error linear degree; compared with a traditional 500kV standard voltage transformer, the size is reduced by 50 percent and the weight is reduced by 60 percent; the requirements that the size and the weight are smaller and smaller, and that 66kV to 500kV voltage graded full coverage and high accuracy grade are realized can be met.
Description
(1) technical field
500kV width no-load voltage ratio standard potential transformer of the present invention, relates to error measuring device when a kind of voltage transformer delivery test or on-the-spot commissioning test, belongs to voltage transformer error measurement device field.
(2) background technology
Currently, the volume and weight of standard potential transformer is required more and more less by increasing user, require that 1 equipment can meet all standing of 500kV to 66kV electric pressure simultaneously, product class of accuracy is high, and traditional standard voltage transformer, the shortcoming such as have that volume is big, weight big, electric pressure can not meet all standing and product class of accuracy is low, therefore it is badly in need of research and development 500kV width no-load voltage ratio standard potential transformer.
(3) summary of the invention
The purpose of the present invention is to propose to a kind of 500kV width no-load voltage ratio standard potential transformer, the shortcoming such as solve that traditional standard voltage transformer volume is big, weight big, electric pressure can not meet all standing and product class of accuracy is low.
nullThis invention address that the concrete technical scheme that its technical problem adopts is: a kind of 500kV width no-load voltage ratio standard potential transformer，Main by grading shield、Primary connection plate、Insulated sleeve、Conducting rod、Wire、Housing、High-tension shielding cover、Primary winding、Secondary coil、Magnetic conductor assembles、Charge valve、Adpting flange、Secondary connection plate forms，It is characterized in that: grading shield is arranged on primary connection plate upper surface，Primary connection plate lower surface is connected with insulated sleeve upper surface，Conducting rod is arranged on the lower surface of primary connection plate，Insulated sleeve is arranged on housing upper surface，Conducting rod is connected with high-tension shielding cover by wire one end，The high-tension shielding enclosure is on primary winding，Primary winding is enclosed within secondary coil，Secondary coil is enclosed within magnetic conductor fit on，Magnetic conductor assembling is connected with adpting flange，Adpting flange is connected with housing lower surface，Charge valve is installed outside housing、Secondary connection plate，Primary winding adopts full-automatic technique for coiling，Air gap is had in the middle of magnetic conductor assembling，Air gap is filled with non-magnetic class material.
The invention has the beneficial effects as follows, 1 equipment can meet 500kV, 330kV, 220kV, 110kV, all standing and the product class of accuracy of 66kV electric pressure reach 0.01 grade, adopt insulating gas and insulation film as major insulation, the stable insulation of insulating gas is reliable, without aging melancholy, and there is insulation self-reparability, exempt from operation maintenance, non-oil ultra high vacuum system, without fire hazard, free from environmental pollution, insulation film is high temperature resistant by force, dielectric strength is high, inside is placed with bucking electrode, improves apparatus insulated intensity.
(4) accompanying drawing explanation
The cross section view of Fig. 1 500kV of the present invention width no-load voltage ratio standard potential transformer.
1. grading shield in figure, 2. primary connection plate, 3. insulated sleeve, 4. conducting rod, 5. wire, 6. housing, 7. high-tension shielding cover, 8. primary winding, 9. secondary coil, 10. magnetic conductor assembling, 11. adpting flanges, 12. charge valves, 13. secondary connection plates.
Five) detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is elaborated.
In FIG, grading shield (1) is arranged on primary connection plate (2) upper surface, primary connection plate (2) lower surface is connected with insulated sleeve (3) upper surface, conducting rod (4) is arranged on the lower surface of primary connection plate (2), insulated sleeve (3) is arranged on housing (6) upper surface, conducting rod (4) is connected with high-tension shielding cover (7) by wire (5) one end, high-tension shielding cover (7) is enclosed within primary winding (8), primary winding (8) is enclosed within secondary coil (9), secondary coil (9) is enclosed within magnetic conductor assembling (10), magnetic conductor assembling (10) is connected with adpting flange (11), adpting flange (11) is connected with housing (6) lower surface, housing (6) installs outward charge valve (12), secondary connection plate (13).
In the present invention, magnetic conductor material is silicon steel/30Q110, grading shield material is aluminum/5A02, housing and adpting flange material are steel/Q235A or aluminum/5A02, and non-magnetizer material is laminated epoxy glass-cloth board/EPGC1 or phenolic aldehyde glass cloth laminated sheet/PFGC1, and insulating gas is sulfur hexafluoride gas/SF6Or carbon tetrafluoride/CF4。
The present invention has passed through verification experimental verification, and dielectric level is high, and magnetic unshakable in one's determination is close little, error linear is excellent, reduces 50% than traditional 500kV standard potential transformer equipment volume, and weight reduces 60%, volume and weight can be met more and more less, electric pressure all standing and the high requirement of class of accuracy.
Claims (2)
1. a 500kV width no-load voltage ratio standard potential transformer, main by grading shield, primary connection plate, insulated sleeve, conducting rod, wire, housing, high-tension shielding cover, primary winding, secondary coil, magnetic conductor assembles, charge valve, adpting flange, secondary connection plate forms, it is characterized in that: grading shield is arranged on primary connection plate upper surface, primary connection plate lower surface is connected with insulated sleeve upper surface, conducting rod is arranged on the lower surface of primary connection plate, insulated sleeve is arranged on housing upper surface, conducting rod is connected with high-tension shielding cover by wire one end, the high-tension shielding enclosure is on primary winding, primary winding is enclosed within secondary coil, secondary coil is enclosed within magnetic conductor fit on, magnetic conductor assembling is connected with adpting flange, adpting flange is connected with housing lower surface, charge valve is installed outside housing, secondary connection plate.
2. a kind of 500kV width no-load voltage ratio standard potential transformer according to claim 1, is characterized in that: having air gap in the middle of magnetic conductor assembling, air gap is filled with non-magnetic class material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610311173.4A CN105742044A (en) | 2016-05-11 | 2016-05-11 | 500kV wide-transformation-ratio standard voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610311173.4A CN105742044A (en) | 2016-05-11 | 2016-05-11 | 500kV wide-transformation-ratio standard voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105742044A true CN105742044A (en) | 2016-07-06 |
Family
ID=56288438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610311173.4A Pending CN105742044A (en) | 2016-05-11 | 2016-05-11 | 500kV wide-transformation-ratio standard voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105742044A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107256761A (en) * | 2017-07-31 | 2017-10-17 | 云南电网有限责任公司电力科学研究院 | 500kV standard potential transformers |
| CN107275064A (en) * | 2017-07-31 | 2017-10-20 | 武汉磐电科技股份有限公司 | 500kV standard potential transformers |
| WO2018041506A1 (en) * | 2016-09-01 | 2018-03-08 | Siemens Aktiengesellschaft | Active part housing and voltage converter unit with an active part housing |
| CN111989754A (en) * | 2018-04-16 | 2020-11-24 | 西门子股份公司 | Measuring method and high-voltage measuring transformer with clean air |
| WO2021047857A1 (en) * | 2019-09-13 | 2021-03-18 | Siemens Energy Global GmbH & Co. KG | Cover unit for a converter head of a high-voltage converter device, converter head and high-voltage converter device |
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| CN2754195Y (en) * | 2004-09-23 | 2006-01-25 | 山东泰开互感器有限公司 | Outdoor high-voltage combined mutual inductor |
| CN202189142U (en) * | 2011-08-12 | 2012-04-11 | 山东泰开互感器有限公司 | Complete set of error checking device for super/extra-high voltage CVT |
| CN203552920U (en) * | 2013-10-12 | 2014-04-16 | 江苏思源赫兹互感器有限公司 | Voltage transformer with compact structure |
| CN203721469U (en) * | 2013-12-30 | 2014-07-16 | 山东泰开互感器有限公司 | 1000 kV electromagnetic voltage transformer |
| CN203746640U (en) * | 2013-12-30 | 2014-07-30 | 山东泰开互感器有限公司 | Partial-discharge-free gas insulation resonant reactor |
| 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 |
| RU158557U1 (en) * | 2014-10-07 | 2016-01-10 | Закрытое акционерное общество "Завод электротехнического оборудования" (ЗАО "ЗЭТО") | HIGH VOLTAGE GAS-FILLED MEASURING CURRENT TRANSFORMER |
| CN205139351U (en) * | 2015-09-15 | 2016-04-06 | 国家电网公司 | On --spot error -detecting integration test device of 750kV capacitance type potential transformer |
| CN205751841U (en) * | 2016-05-11 | 2016-11-30 | 山东泰开互感器有限公司 | 500kV width no-load voltage ratio standard potential transformer |
-
2016
- 2016-05-11 CN CN201610311173.4A patent/CN105742044A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754195Y (en) * | 2004-09-23 | 2006-01-25 | 山东泰开互感器有限公司 | Outdoor high-voltage combined mutual inductor |
| CN202189142U (en) * | 2011-08-12 | 2012-04-11 | 山东泰开互感器有限公司 | Complete set of error checking device for super/extra-high voltage CVT |
| CN203552920U (en) * | 2013-10-12 | 2014-04-16 | 江苏思源赫兹互感器有限公司 | Voltage transformer with compact structure |
| CN203721469U (en) * | 2013-12-30 | 2014-07-16 | 山东泰开互感器有限公司 | 1000 kV electromagnetic voltage transformer |
| CN203746640U (en) * | 2013-12-30 | 2014-07-30 | 山东泰开互感器有限公司 | Partial-discharge-free gas insulation resonant reactor |
| RU158557U1 (en) * | 2014-10-07 | 2016-01-10 | Закрытое акционерное общество "Завод электротехнического оборудования" (ЗАО "ЗЭТО") | HIGH VOLTAGE GAS-FILLED MEASURING CURRENT TRANSFORMER |
| 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 |
| CN205139351U (en) * | 2015-09-15 | 2016-04-06 | 国家电网公司 | On --spot error -detecting integration test device of 750kV capacitance type potential transformer |
| CN205751841U (en) * | 2016-05-11 | 2016-11-30 | 山东泰开互感器有限公司 | 500kV width no-load voltage ratio standard potential transformer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018041506A1 (en) * | 2016-09-01 | 2018-03-08 | Siemens Aktiengesellschaft | Active part housing and voltage converter unit with an active part housing |
| CN107256761A (en) * | 2017-07-31 | 2017-10-17 | 云南电网有限责任公司电力科学研究院 | 500kV standard potential transformers |
| CN107275064A (en) * | 2017-07-31 | 2017-10-20 | 武汉磐电科技股份有限公司 | 500kV standard potential transformers |
| CN107275064B (en) * | 2017-07-31 | 2019-05-03 | 武汉磐电科技股份有限公司 | 500kV standard potential transformer |
| CN111989754A (en) * | 2018-04-16 | 2020-11-24 | 西门子股份公司 | Measuring method and high-voltage measuring transformer with clean air |
| WO2021047857A1 (en) * | 2019-09-13 | 2021-03-18 | Siemens Energy Global GmbH & Co. KG | Cover unit for a converter head of a high-voltage converter device, converter head and high-voltage converter device |
| US20220375674A1 (en) * | 2019-09-13 | 2022-11-24 | Siemens Energy Global GmbH & Co. KG | Cover unit for a converter head of a high-voltage converter device, converter head and high-voltage converter device |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160706 |