SE444748B - Differentialskyddsanordning - Google Patents
DifferentialskyddsanordningInfo
- Publication number
- SE444748B SE444748B SE8001097A SE8001097A SE444748B SE 444748 B SE444748 B SE 444748B SE 8001097 A SE8001097 A SE 8001097A SE 8001097 A SE8001097 A SE 8001097A SE 444748 B SE444748 B SE 444748B
- Authority
- SE
- Sweden
- Prior art keywords
- current
- output
- signal
- input
- ugs
- Prior art date
Links
- 230000015654 memory Effects 0.000 claims description 48
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000001960 triggered effect Effects 0.000 claims description 6
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 6
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000011162 core material Substances 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- 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
- H02H7/045—Differential protection of transformers
- H02H7/0455—Differential protection of transformers taking into account saturation of current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Transformers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792905195 DE2905195C2 (de) | 1979-02-12 | 1979-02-12 | Differentialschutzeinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8001097L SE8001097L (sv) | 1980-08-13 |
| SE444748B true SE444748B (sv) | 1986-04-28 |
Family
ID=6062692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8001097A SE444748B (sv) | 1979-02-12 | 1980-02-12 | Differentialskyddsanordning |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT385865B (de) |
| CH (1) | CH649421A5 (de) |
| DE (1) | DE2905195C2 (de) |
| SE (1) | SE444748B (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0045105B1 (de) * | 1980-07-28 | 1984-11-28 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Verfahren und Einrichtung für den Differentialschutz von elektrischen Anlagen |
| JPS596715A (ja) * | 1982-07-01 | 1984-01-13 | 三菱電機株式会社 | 差動保護継電装置 |
| JPS5996824A (ja) * | 1982-11-19 | 1984-06-04 | 三菱電機株式会社 | 母線保護継電器 |
| JPS60180421A (ja) * | 1984-02-27 | 1985-09-14 | 三菱電機株式会社 | 差動保護継電装置 |
| US5627712A (en) * | 1990-04-19 | 1997-05-06 | General Electric Company | Transformer differential relay |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1956527C3 (de) * | 1969-11-11 | 1973-01-04 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Differentialschutzeinrichtung |
| US3832600A (en) * | 1973-05-17 | 1974-08-27 | Westinghouse Electric Corp | Transformer internal fault detector |
-
1979
- 1979-02-12 DE DE19792905195 patent/DE2905195C2/de not_active Expired
-
1980
- 1980-02-01 CH CH85380A patent/CH649421A5/de not_active IP Right Cessation
- 1980-02-11 AT AT71980A patent/AT385865B/de not_active IP Right Cessation
- 1980-02-12 SE SE8001097A patent/SE444748B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2905195C2 (de) | 1985-04-04 |
| AT385865B (de) | 1988-05-25 |
| DE2905195A1 (de) | 1980-08-21 |
| SE8001097L (sv) | 1980-08-13 |
| ATA71980A (de) | 1987-10-15 |
| CH649421A5 (en) | 1985-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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