CN102866274A - Electronic-type voltage transformer supporting high-voltage frequency conversion cabinet - Google Patents
Electronic-type voltage transformer supporting high-voltage frequency conversion cabinet Download PDFInfo
- Publication number
- CN102866274A CN102866274A CN2012103424389A CN201210342438A CN102866274A CN 102866274 A CN102866274 A CN 102866274A CN 2012103424389 A CN2012103424389 A CN 2012103424389A CN 201210342438 A CN201210342438 A CN 201210342438A CN 102866274 A CN102866274 A CN 102866274A
- Authority
- CN
- China
- Prior art keywords
- voltage
- electronic
- shielding
- shielding cover
- conversion cabinet
- 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.)
- Pending
Links
Images
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The invention relates to an electronic-type voltage transformer supporting a high-voltage frequency conversion cabinet, and the electronic-type voltage transformer comprises a high-voltage end, a shielding structure, a copper net, a low-voltage end, epoxy resin and a conical shielding cover, wherein the upper end of the conical shielding cover is provided with the high-voltage end, the high-voltage end is directly connected with a shielding resistance, a resistance divider is arranged below the shielding resistance, and the low-voltage end is arranged below the voltage divider; and the copper net is arranged inside the conical shielding cover, and epoxy resin is poured inside the conical shielding cover. The electronic-type voltage transformer is very stable in performance, the specific error and the phase error are completely kept constant under the situation that the temperature, the frequency and the voltage are changed, and the accuracy of the frequency conversion cabinet product in the variable frequency can be effectively guaranteed.
Description
Technical field
The present invention relates to a kind of Novel intelligent electronic type voltage transformer, refer more particularly to the supporting electronic type voltage transformer of using of a kind of high-pressure inflating cabinet.
Background technology
Along with the develop rapidly of electronic technology, microcomputer type relay protection and intellectual ammeter have progressively occupied leading position, in relay protection and measuring, and the energy flow of control section and separate from information flow, thereby monitoring equipment no longer needs the mutual inductor of high-power output.Simultaneously because the application of fast development, the integrated automation of transformation stations and the power distribution automation of power industry, therefore, it is extremely urgent develop a kind of supporting usefulness of high-pressure frequency-conversion cabinet electronic type voltage transformer with measurement, protection and ability to communicate.
Summary of the invention
The object of the present invention is to provide the supporting electronic type voltage transformer of using of high-pressure frequency-conversion cabinet a kind of stable performance, compact conformation.
The object of the present invention is achieved like this, the supporting electronic type voltage transformer of using of a kind of high-pressure frequency-conversion cabinet, comprise high-pressure side, shielding construction, copper mesh, low pressure end, epoxy resin and conical shielding cover, it is characterized in that: the conical shielding cover upper end is provided with high-pressure side, described high-pressure side directly links to each other with shielding resistance, shielding is provided with resitstance voltage divider below the resistance, is low pressure end below the resitstance voltage divider; Be provided with copper mesh in the described conical shielding cover and be cast with epoxy resin.
Further, described resitstance voltage divider has adopted the high and low pressure arm resistance of thick-film resistor as voltage divider.
Performance of the present invention is highly stable, and in the situation of temperature, frequency and change in voltage, its ratio error and phase error remain unchanged fully, has guaranteed that effectively the accuracy of frequency conversion tank product in frequency constantly changes is constant.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure, 1, inserts 2, high-pressure side 3, shielding construction be installed, 4, resitstance voltage divider, 5, copper mesh, 6, low pressure end, 7, epoxy resin, 8, signal output, 9, conical shielding cover.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
The present invention adopts conical shielding cover 9, in order to obtain more uniform Potential distribution in the less situation of shield diameter, thereby makes resitstance voltage divider 4 axis part Potential distribution even; Adopt copper mesh 5 structures, epoxy resin 7 can permeate whole product, has guaranteed that the performance of product is more excellent, simultaneously resitstance voltage divider 4 is adopted the equivalent potential screen method, and high-pressure side 2 directly links to each other with shielding resistance 3, and low pressure end 6 directly links to each other with the bottom; Resitstance voltage divider 4 of the present invention has adopted the high and low pressure arm resistance of thick-film resistor as voltage divider; volume is little, measuring accuracy is high; can be used for the measurement of the voltage of nanosecond scope; moreover, what advantage of the present invention was more outstanding is not have saturation problem, does not have ferroresonance; it is interval to have very large dynamic and linear measurement; it is only from the electrical network collection signal, and consumed power can match with microcomputer control, automatic protection well hardly.
Claims (2)
1. supporting electronic type voltage transformer of using of high-pressure frequency-conversion cabinet, comprise high-pressure side (2), shielding construction (3), copper mesh (5), low pressure end (6), epoxy resin (7) and conical shielding cover (9), it is characterized in that: conical shielding cover (9) upper end is provided with high-pressure side (2), described high-pressure side (2) directly links to each other with shielding resistance (3), be provided with resitstance voltage divider (4) below the shielding resistance (3), resitstance voltage divider (4) is following to be low pressure end (6); Be provided with copper mesh (5) in the described conical shielding cover (9) and be cast with epoxy resin (7).
2. the supporting electronic type voltage transformer of using of a kind of high-pressure frequency-conversion cabinet according to claim 1, it is characterized in that: described resitstance voltage divider (4) has adopted the high and low pressure arm resistance of thick-film resistor as voltage divider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103424389A CN102866274A (en) | 2012-09-17 | 2012-09-17 | Electronic-type voltage transformer supporting high-voltage frequency conversion cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103424389A CN102866274A (en) | 2012-09-17 | 2012-09-17 | Electronic-type voltage transformer supporting high-voltage frequency conversion cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102866274A true CN102866274A (en) | 2013-01-09 |
Family
ID=47445265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103424389A Pending CN102866274A (en) | 2012-09-17 | 2012-09-17 | Electronic-type voltage transformer supporting high-voltage frequency conversion cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102866274A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024371A (en) * | 2015-07-22 | 2015-11-04 | 江苏靖江互感器厂有限公司 | Four-in-one intelligent sampling discharging device |
| CN107134355A (en) * | 2017-05-25 | 2017-09-05 | 浙江天际互感器有限公司 | A kind of electronic type voltage transformer of compound inslation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1097385B1 (en) * | 1998-07-23 | 2002-12-18 | Forschungszentrum Karlsruhe GmbH | Capacitative voltage divider for measuring high voltage pulses with a millisecond pulse duration |
| CN101074972A (en) * | 2006-05-15 | 2007-11-21 | 北京瑞恒超高压电器研究所 | Capacitance mask resistance sensor |
| CN101915860A (en) * | 2010-07-22 | 2010-12-15 | 无锡市锡容电力电器有限公司 | Integrated output terminal structure of capacitive voltage divider |
| CN201927469U (en) * | 2010-10-19 | 2011-08-10 | 北京赛德高科铁道电气科技有限责任公司 | Electronic type voltage transformer |
| CN202363232U (en) * | 2011-12-03 | 2012-08-01 | 南京南瑞继保电气有限公司 | Dry-type direct current voltage transformer |
| CN202815050U (en) * | 2012-09-17 | 2013-03-20 | 熊江咏 | Electronic voltage transformer matching high voltage frequency conversion cabinet |
-
2012
- 2012-09-17 CN CN2012103424389A patent/CN102866274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1097385B1 (en) * | 1998-07-23 | 2002-12-18 | Forschungszentrum Karlsruhe GmbH | Capacitative voltage divider for measuring high voltage pulses with a millisecond pulse duration |
| CN101074972A (en) * | 2006-05-15 | 2007-11-21 | 北京瑞恒超高压电器研究所 | Capacitance mask resistance sensor |
| CN101915860A (en) * | 2010-07-22 | 2010-12-15 | 无锡市锡容电力电器有限公司 | Integrated output terminal structure of capacitive voltage divider |
| CN201927469U (en) * | 2010-10-19 | 2011-08-10 | 北京赛德高科铁道电气科技有限责任公司 | Electronic type voltage transformer |
| CN202363232U (en) * | 2011-12-03 | 2012-08-01 | 南京南瑞继保电气有限公司 | Dry-type direct current voltage transformer |
| CN202815050U (en) * | 2012-09-17 | 2013-03-20 | 熊江咏 | Electronic voltage transformer matching high voltage frequency conversion cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024371A (en) * | 2015-07-22 | 2015-11-04 | 江苏靖江互感器厂有限公司 | Four-in-one intelligent sampling discharging device |
| CN107134355A (en) * | 2017-05-25 | 2017-09-05 | 浙江天际互感器有限公司 | A kind of electronic type voltage transformer of compound inslation |
| CN107134355B (en) * | 2017-05-25 | 2018-12-21 | 浙江天际互感器有限公司 | A kind of electronic type voltage transformer of compound inslation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103630871B (en) | Electronic electric energy meter dynamic characteristic test device | |
| CN202258772U (en) | Epoxy pouring totally-closed support type electronic combined transformer for centrally installed switchgear | |
| CN202916327U (en) | Pillar structure electronic voltage transformer | |
| CN105842529A (en) | Intelligent instrument transformer | |
| CN202534498U (en) | Three-phase-in-one-piece electronic type current voltage transformer | |
| CN201302592Y (en) | Electrical energy measuring cabinet | |
| CN101995502B (en) | Current-voltage integrated digital mutual inductor | |
| CN203642936U (en) | Digit delay and amplitude program control technology-based altitude simulation module | |
| CN102866274A (en) | Electronic-type voltage transformer supporting high-voltage frequency conversion cabinet | |
| CN202815050U (en) | Electronic voltage transformer matching high voltage frequency conversion cabinet | |
| CN109188042A (en) | A kind of distribution one or two times fusions three-phase thin-film capacitor divided voltage sensor | |
| CN202502242U (en) | Error measurement device for voltage transformer | |
| CN102881438B (en) | The supporting electronic current mutual inductor of low-voltage circuit breaker | |
| CN201663050U (en) | Electronic combined transformer | |
| CN105067851B (en) | A kind of signal generation apparatus for electric system live testing instrument verification | |
| CN201035079Y (en) | Luo coil great current integrated intelligent detector | |
| CN202282237U (en) | Double-capacitive ring capacitive voltage division type electronic voltage transformer | |
| CN201434883Y (en) | Rogowski coil electric quantity transducer | |
| CN201237616Y (en) | Electronic voltage transducer | |
| CN204558236U (en) | A kind of three-phase integrated zero sequence current mutual inductor | |
| CN205038242U (en) | A signal generating device for electric power system live test instrument check -up usefulness | |
| CN202453413U (en) | Electronic type combined sensor | |
| CN103529339B (en) | A kind of circuit interface and status monitoring IED | |
| CN107037355A (en) | Measurement apparatus for high-voltage switch gear | |
| CN110609192A (en) | Low-voltage primary power system parameter acquisition system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130109 |