CN102928639A - Electronic capacitive voltage divider - Google Patents
Electronic capacitive voltage divider Download PDFInfo
- Publication number
- CN102928639A CN102928639A CN2011102242336A CN201110224233A CN102928639A CN 102928639 A CN102928639 A CN 102928639A CN 2011102242336 A CN2011102242336 A CN 2011102242336A CN 201110224233 A CN201110224233 A CN 201110224233A CN 102928639 A CN102928639 A CN 102928639A
- Authority
- CN
- China
- Prior art keywords
- voltage
- potential drop
- dividing potential
- low
- voltage capacitance
- 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.)
- Granted
Links
Images
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention relates to an electronic capacitive voltage divider for the power industry. The electronic capacitive voltage divider consists of a sleeve, an upper flange, an expander, a high-voltage capacitive voltage division part, a low-voltage capacitive voltage division part, a winding fixing part, a lower flange, a base, a medium-voltage terminal and an upper cover plate, wherein the winding fixing part is fixed on the base; the high-voltage capacitive voltage division part and the low-voltage capacitive voltage division part are fixed on the winding fixing part respectively; and the sleeve is fixedly arranged on the lower flange on the periphery of the winding fixing part. The high-voltage capacitive voltage division part and the low-voltage capacitive voltage division part are integrally and fixedly wound on the winding fixing part, so that inner components are stable, and quality instability phenomena caused by bumping are reduced; the low-voltage capacitive voltage division part is designed into a capacitor series connection part and a capacitor parallel connection part, so that measurement accuracy is remarkably improved; and the sleeve is arranged outside the winding fixing part to form an enclosed sleeve cavity, so that the product is high in universality.
Description
?
Technical field
The present invention relates to a kind of capacitive divider that power industry is used, specifically the capacitive divider used of a kind of electronic type.
Background technology
Through retrieving relevant patent documentation, not yet retrieve the electronic type capacitive divider identical with structure of the present invention at present.Capacitive divider is as the voltage test device that is used for telling off from tested voltage different electric pressures, in the power industry widespread use.Existing capacitive divider is owing to the reason of its structure, high-voltage capacitance dividing potential drop part reaches the purpose that reduces voltage with the mode that low-voltage capacitance dividing potential drop part is generally taked to connect, this is so that the precision of testing is relatively low, then be difficult to reach the requirement of high precision measurement for the high product of test request, so be necessary existing capacitive divider is improved, to satisfy actual needs.
Summary of the invention
The objective of the invention is to provide a kind of improvement on existing capacitive divider basis, have measuring accuracy high, and a kind of electronic capacitive voltage divider of highly versatile, compact conformation, good stability.
Technical characterictic of the present invention is: considering that measuring accuracy is high, on the basis of highly versatile, be designed to the electronic capacitive voltage divider that formed by sleeve pipe, upper flange, expander, high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part, the parts that are fastened, lower flange, base, intermediate voltage terminal, upper cover plate, be fixed with the parts that are fastened at base; On the parts that are fastened, be fixed with respectively high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part; Parts are provided with expander being fastened; Peripheral lower flange at the parts that are fastened is fixed with sleeve pipe; Be fixed with upper flange at sleeve pipe, be provided with upper cover plate at upper flange; Lower flange links to each other with base; Intermediate voltage terminal is packed on the base; In the annular seal space that sleeve pipe, upper cover plate, base form, be provided with insulating oil.
Described sleeve pipe is the hollow body that the glass fiber yarn wound and solidified of epoxy resin is made.
Described high-voltage capacitance dividing potential drop partly is a mutually high-voltage capacitance interface unit of series connection.
Described low-voltage capacitance dividing potential drop part partly is comprised of capacitances in series part, Capacitance parallel connection, and described capacitances in series partly refers to take between its low-voltage capacitance body the form of mutually series connection to connect; Described Capacitance parallel connection partly refers to take between the low-voltage capacitance body form parallel with one another to connect.
The described parts that are fastened, it is grouped into by fixed mount, wound portion, and fixed mount is one and is used for the fixedly fixing bracket body of high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part; Twine part and be wrapped in respectively high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop periphery partly, make it become a sturdy fixed body.
Produce when installing, at first respectively high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop are partly designed according to designing requirement, and according to designing requirement each capacity cell of high-voltage capacitance dividing potential drop part is connected, partly link to each other with the low-voltage capacitance dividing potential drop again, low-voltage capacitance dividing potential drop part is partly formed, and two parts is connected by capacitances in series part, Capacitance parallel connection; Prick solid, binding in the periphery of high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part by insulated tier again, make it become stable, a fixing integral body, again integral body is packed on the fixed mount of the parts that are fastened, and be fixed on the base by the parts that are fastened, make whole internal works firm; In the annular seal space that sleeve pipe, upper cover plate, base form, inject insulating oil again.
Advantage of the present invention is: because high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part integral body are fastened on the parts that are fastened, so that internal component is firm, the quality wild effect because jolting and occuring when having reduced transportation; Owing to low-voltage capacitance dividing potential drop partial design is become capacitances in series part and two kinds of forms of Capacitance parallel connection part, so that the measuring accuracy of complete machine is significantly improved; Owing to outside the parts that are fastened, being provided with sleeve pipe, make whole capacitive divider form an airtight sleeve pipe cavity, thereby can determine whether outside sleeve pipe, to install full skirt according to the requirement different and design of product, make the versatility of product stronger; Because compact conformation, rationally, measuring accuracy is high, so very large practical and popularizing value is arranged.
Description of drawings
Below with reference to accompanying drawing the present invention is conducted further description:
Accompanying drawing 1 is the structural representation of electronic capacitive voltage divider of the present invention;
Accompanying drawing 2 is partial structurtes schematic diagram of electronic capacitive voltage divider.
Embodiment
With reference to accompanying drawing 1, accompanying drawing 2, electronic capacitive voltage divider of the present invention is comprised of sleeve pipe 1, upper flange 2, expander 3, high-voltage capacitance dividing potential drop part 4, low-voltage capacitance dividing potential drop part 5, the parts 6 that are fastened, lower flange 7, base 8, intermediate voltage terminal 9, upper cover plate 10, is fixed with the parts 6 that are fastened at base 8; Be fixed with respectively high-voltage capacitance dividing potential drop part 4, low-voltage capacitance dividing potential drop part 5 on the parts 6 that are fastened, described high-voltage capacitance dividing potential drop part 4 is a mutually high-voltage capacitance interface unit of series connection; Described low-voltage capacitance dividing potential drop part 5 is comprised of capacitances in series part 51, Capacitance parallel connection part 52, and described capacitances in series part 51 refers to take between its low-voltage capacitance body the form of mutually series connection to connect; Described Capacitance parallel connection part 52 refers to take between the low-voltage capacitance body form parallel with one another to connect; Be provided with expander 3 at the parts 6 that are fastened, the described parts 6 that are fastened, it is comprised of fixed mount 61, winding part 62, and fixed mount 61 is one and is used for the fixedly fixing bracket body of high-voltage capacitance dividing potential drop part 4, low-voltage capacitance dividing potential drop part 5; Winding part 62 is wrapped in respectively the periphery of high-voltage capacitance dividing potential drop part 4, low-voltage capacitance dividing potential drop part 5, makes it become a sturdy fixed body; Peripheral lower flange 7 at the parts 6 that are fastened is fixed with sleeve pipe 1, the hollow body that described sleeve pipe 1 is made for the glass fiber yarn wound and solidified that is impregnated with epoxy resin; Be fixed with upper flange 2 at sleeve pipe 1; Be provided with upper cover plate 10 at upper flange 2, lower flange 7 links to each other with base 8; Intermediate voltage terminal 9 is packed on the base 8; In the annular seal space that sleeve pipe 1, upper cover plate 10, base 8 form, be provided with insulating oil.
Claims (5)
1. electronic capacitive voltage divider is comprised of sleeve pipe (1), upper flange (2), expander (3), high-voltage capacitance dividing potential drop part (4), low-voltage capacitance dividing potential drop part (5), the parts that are fastened (6), lower flange (7), base (8), intermediate voltage terminal (9), upper cover plate (10), it is characterized in that: be fixed with the parts that are fastened (6) at base (8); On the parts that are fastened (6), be fixed with respectively high-voltage capacitance dividing potential drop part (4), low-voltage capacitance dividing potential drop part (5); Be provided with expander (3) at the parts that are fastened (6); Peripheral lower flange (7) at the parts that are fastened (6) is fixed with sleeve pipe (1); Be fixed with upper flange (2) at sleeve pipe (1), be provided with upper cover plate (10) at upper flange (2); Lower flange (7) links to each other with base (8); Intermediate voltage terminal (9) is packed on the base (8); In the annular seal space that sleeve pipe (1), upper cover plate (10), base (8) form, be provided with insulating oil.
2. electronic capacitive voltage divider according to claim 1 is characterized in that: the hollow body that described sleeve pipe (1) is made for the glass fiber yarn wound and solidified of epoxy resin.
3. electronic capacitive voltage divider according to claim 1 is characterized in that: described high-voltage capacitance dividing potential drop part (4) is a mutually high-voltage capacitance interface unit of series connection.
4. electronic capacitive voltage divider according to claim 1, it is characterized in that: described low-voltage capacitance dividing potential drop part (5) is comprised of capacitances in series part (51), Capacitance parallel connection part (52), and described capacitances in series part (51) refers to take between its low-voltage capacitance body the form of mutually series connection to connect; Described Capacitance parallel connection part (52) refers to take between the low-voltage capacitance body form parallel with one another to connect.
5. electronic capacitive voltage divider according to claim 1, it is characterized in that: the described parts that are fastened (6), it is comprised of fixed mount (61), winding part (62), and fixed mount (61) is one and is used for the fixedly fixing bracket body of high-voltage capacitance dividing potential drop part (4), low-voltage capacitance dividing potential drop part (5); Twine part (62) and be wrapped in respectively the partly periphery of (5) of high-voltage capacitance dividing potential drop part (4), low-voltage capacitance dividing potential drop, make it become a sturdy fixed body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224233.6A CN102928639B (en) | 2011-08-07 | 2011-08-07 | Electronic capacitive voltage divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224233.6A CN102928639B (en) | 2011-08-07 | 2011-08-07 | Electronic capacitive voltage divider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102928639A true CN102928639A (en) | 2013-02-13 |
| CN102928639B CN102928639B (en) | 2016-03-02 |
Family
ID=47643485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110224233.6A Active CN102928639B (en) | 2011-08-07 | 2011-08-07 | Electronic capacitive voltage divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102928639B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543311A (en) * | 2013-10-22 | 2014-01-29 | 江苏靖江互感器厂有限公司 | High-precision capacitance-resistance divider |
| CN105527478A (en) * | 2014-10-24 | 2016-04-27 | 北京自动化控制设备研究所 | Passive electronic voltage transformer |
| CN105629018A (en) * | 2015-12-25 | 2016-06-01 | 国家电网公司 | Small modularized resistance-capacitance divider |
| CN108918945A (en) * | 2018-05-22 | 2018-11-30 | 上海置信电气股份有限公司 | One secondary deep of one kind fusion voltage sensor and its design technology method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0767472A1 (en) * | 1995-10-04 | 1997-04-09 | Schneider Electric Sa | Process for manufacturing an insulator and insulator manufactured with this process |
| JP2000277363A (en) * | 1999-01-22 | 2000-10-06 | Meidensha Corp | Capacitance divider voltage transformer |
| CN2498721Y (en) * | 2001-09-27 | 2002-07-03 | 苏仲衡 | Dry capacitor style voltage mutual inductor |
| US20030146815A1 (en) * | 2002-02-05 | 2003-08-07 | Youdong Zhou | Capacitive voltage transformer |
| CN201072701Y (en) * | 2007-08-15 | 2008-06-11 | 无锡市锡容电力电器厂 | Capacitive potential divider |
| CN201335857Y (en) * | 2008-12-26 | 2009-10-28 | 中国西电电气股份有限公司 | Voltage sensor for high-voltage DC transmission |
| CN202204861U (en) * | 2011-08-07 | 2012-04-25 | 江苏思源赫兹互感器有限公司 | Electronic capacitive voltage divider |
-
2011
- 2011-08-07 CN CN201110224233.6A patent/CN102928639B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0767472A1 (en) * | 1995-10-04 | 1997-04-09 | Schneider Electric Sa | Process for manufacturing an insulator and insulator manufactured with this process |
| JP2000277363A (en) * | 1999-01-22 | 2000-10-06 | Meidensha Corp | Capacitance divider voltage transformer |
| CN2498721Y (en) * | 2001-09-27 | 2002-07-03 | 苏仲衡 | Dry capacitor style voltage mutual inductor |
| US20030146815A1 (en) * | 2002-02-05 | 2003-08-07 | Youdong Zhou | Capacitive voltage transformer |
| CN201072701Y (en) * | 2007-08-15 | 2008-06-11 | 无锡市锡容电力电器厂 | Capacitive potential divider |
| CN201335857Y (en) * | 2008-12-26 | 2009-10-28 | 中国西电电气股份有限公司 | Voltage sensor for high-voltage DC transmission |
| CN202204861U (en) * | 2011-08-07 | 2012-04-25 | 江苏思源赫兹互感器有限公司 | Electronic capacitive voltage divider |
Non-Patent Citations (2)
| Title |
|---|
| 时德钢等: "一种基于电容分压的电子式电压互感器", 《电力电容器》 * |
| 王化冰等: "基于电容分压器的电子式电压互感器的研究", 《继电器》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543311A (en) * | 2013-10-22 | 2014-01-29 | 江苏靖江互感器厂有限公司 | High-precision capacitance-resistance divider |
| CN103543311B (en) * | 2013-10-22 | 2017-01-04 | 江苏靖江互感器厂有限公司 | A kind of High-precision capacitance-resistandivider divider |
| CN105527478A (en) * | 2014-10-24 | 2016-04-27 | 北京自动化控制设备研究所 | Passive electronic voltage transformer |
| CN105629018A (en) * | 2015-12-25 | 2016-06-01 | 国家电网公司 | Small modularized resistance-capacitance divider |
| CN105629018B (en) * | 2015-12-25 | 2018-07-13 | 国家电网公司 | A kind of small modular RC divider |
| CN108918945A (en) * | 2018-05-22 | 2018-11-30 | 上海置信电气股份有限公司 | One secondary deep of one kind fusion voltage sensor and its design technology method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102928639B (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202204861U (en) | Electronic capacitive voltage divider | |
| CN102928639A (en) | Electronic capacitive voltage divider | |
| CN105629018B (en) | A kind of small modular RC divider | |
| CN201654173U (en) | Resistor core bar withstand voltage test device for 800KV grade GIS | |
| CN103201635A (en) | Partial discharge sensor for a high voltage insulation monitoring device | |
| CN102608388B (en) | VFTO (very fast transient overvoltage) measurement method and system | |
| WO2017101530A1 (en) | Capacitive voltage transformer | |
| CN203519773U (en) | Portable dry-type air-core reactor turn-to-turn insulation pulse vibration test device | |
| CN203572859U (en) | Novel high-voltage impact resistor voltage divider device | |
| CN105526835A (en) | Simulated test platform for radial winding deformation of transformer | |
| CN202258772U (en) | Epoxy pouring totally-closed support type electronic combined transformer for centrally installed switchgear | |
| CN103235275A (en) | Low-inductance annular magnetic core inductance sorting tool | |
| CN201853571U (en) | Voltage transformer based on capacitance-resistance voltage division principle | |
| CN104237593A (en) | Voltage divider, voltage division circuit thereof and voltage division control method | |
| CN204154354U (en) | A kind of intelligent capacitor level meter with automatic Calibration and automatic calibration | |
| CN202502242U (en) | Error measurement device for voltage transformer | |
| AU2013100725A4 (en) | Axial Movement Tester for Motor | |
| CN202548312U (en) | Portable calibration standard device of dielectric loss tester | |
| CN201828658U (en) | Integrated on-site check-out equipment for power and voltage transformer | |
| CN202282237U (en) | Double-capacitive ring capacitive voltage division type electronic voltage transformer | |
| CN103353324A (en) | Self-calibrated capacitive liquid level sensor | |
| CN205810488U (en) | Extra-high voltage direct current composite post insulator anti-seismic test sample | |
| CN205789242U (en) | A kind of power cable semi-conductive layer resistivity test device | |
| CN203396459U (en) | Self-correction capacitance liquid level sensor | |
| CN103077802B (en) | Oscillatory wave system inductance and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |