SE9602283L - Anordning för övervakning av elektrisk ström - Google Patents
Anordning för övervakning av elektrisk strömInfo
- Publication number
- SE9602283L SE9602283L SE9602283A SE9602283A SE9602283L SE 9602283 L SE9602283 L SE 9602283L SE 9602283 A SE9602283 A SE 9602283A SE 9602283 A SE9602283 A SE 9602283A SE 9602283 L SE9602283 L SE 9602283L
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- conductor
- electric current
- monitoring electric
- transformer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- 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
- H01F38/28—Current transformers
- H01F38/32—Circuit arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H02H7/055—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for tapped transformers or tap-changing means thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Coils Or Transformers For Communication (AREA)
- Measurement Of Current Or Voltage (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1995123352 DE19523352C1 (de) | 1995-06-27 | 1995-06-27 | Anordnung zur Stromüberwachung |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9602283D0 SE9602283D0 (sv) | 1996-06-10 |
SE9602283L true SE9602283L (sv) | 1996-12-28 |
SE513812C2 SE513812C2 (sv) | 2000-11-06 |
Family
ID=7765370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9602283A SE513812C2 (sv) | 1995-06-27 | 1996-06-10 | Anordning för övervakning av en elektrisk ledning i en lindningskopplare |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH0917661A (sv) |
AT (1) | AT405982B (sv) |
DE (1) | DE19523352C1 (sv) |
SE (1) | SE513812C2 (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19715632A1 (de) * | 1997-04-15 | 1998-10-22 | Broeder Marie Luise | Meßwertübertragung elektrischer Größen durch Funksignal |
CN104237785B (zh) * | 2014-10-14 | 2017-05-03 | 广州市德百顺电气科技有限公司 | 干式变压器有载分接开关测试仪及其方法 |
CN105547463A (zh) * | 2014-11-03 | 2016-05-04 | 国网新疆电力公司电力科学研究院 | 一种电力变压器有载分接开关振动信号监测系统及方法 |
CN108445384B (zh) * | 2018-05-10 | 2020-11-24 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | 一种换流变有载分接开关运行状态的在线监测与评估方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4009038A1 (de) * | 1990-03-21 | 1991-09-26 | Reinhausen Maschf Scheubeck | Verfahren und anordnung fuer ein ueberwachungssystem fuer stufenschalter von stufentransformatoren |
DE4236923A1 (de) * | 1992-10-31 | 1994-05-05 | Bosch Gmbh Robert | Vorrichtung zur Übertragung von Meßwerten über eine Hochfrequenz-Funkverbindung |
-
1995
- 1995-06-27 DE DE1995123352 patent/DE19523352C1/de not_active Expired - Fee Related
-
1996
- 1996-06-10 SE SE9602283A patent/SE513812C2/sv not_active IP Right Cessation
- 1996-06-25 AT AT112596A patent/AT405982B/de active
- 1996-06-26 JP JP16611496A patent/JPH0917661A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AT405982B (de) | 2000-01-25 |
DE19523352C1 (de) | 1996-10-10 |
JPH0917661A (ja) | 1997-01-17 |
ATA112596A (de) | 1999-05-15 |
SE9602283D0 (sv) | 1996-06-10 |
SE513812C2 (sv) | 2000-11-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |