SE436814B - Forfarande och anordning for fel- och/eller felriktningsdetektering - Google Patents
Forfarande och anordning for fel- och/eller felriktningsdetekteringInfo
- Publication number
- SE436814B SE436814B SE7907088A SE7907088A SE436814B SE 436814 B SE436814 B SE 436814B SE 7907088 A SE7907088 A SE 7907088A SE 7907088 A SE7907088 A SE 7907088A SE 436814 B SE436814 B SE 436814B
- Authority
- SE
- Sweden
- Prior art keywords
- current
- voltage
- signal
- limit value
- overlay
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 10
- 230000006870 function Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 4
- 238000012892 rational function Methods 0.000 claims description 2
- 230000002123 temporal effect Effects 0.000 claims 2
- 238000009527 percussion Methods 0.000 claims 1
- 230000036962 time dependent Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001052 transient 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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/265—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured making use of travelling wave theory
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Emergency Protection Circuit Devices (AREA)
- Locating Faults (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH910578A CH642491A5 (de) | 1978-08-29 | 1978-08-29 | Verfahren und einrichtung zur fehlerdetektion an elektrischen leitungen. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7907088L SE7907088L (sv) | 1980-03-01 |
| SE436814B true SE436814B (sv) | 1985-01-21 |
Family
ID=4348373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7907088A SE436814B (sv) | 1978-08-29 | 1979-08-24 | Forfarande och anordning for fel- och/eller felriktningsdetektering |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4287547A (fr) |
| CA (1) | CA1134912A (fr) |
| CH (1) | CH642491A5 (fr) |
| DE (1) | DE2841009C3 (fr) |
| FR (1) | FR2435143A1 (fr) |
| NL (1) | NL7906439A (fr) |
| SE (1) | SE436814B (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371907A (en) * | 1981-08-11 | 1983-02-01 | Westinghouse Canada Inc. | Protective relay apparatus and methods for protecting electrical power transmission lines |
| DE3271054D1 (en) * | 1982-01-15 | 1986-06-12 | Bbc Brown Boveri & Cie | Method of fault detection in a conductor of an interconnection network |
| EP0098624B1 (fr) * | 1982-06-23 | 1986-01-22 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Procédé pour détecter des défauts ou la direction des défauts dans des lignes électriques et moyens pour sa mise en oeuvre |
| US4450497A (en) * | 1982-10-22 | 1984-05-22 | Westinghouse Canada | Ultra-high-speed relay |
| DE3433616A1 (de) * | 1984-08-08 | 1986-02-20 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Schutzeinrichtung fuer ein elektrisches netz |
| SE452533B (sv) * | 1986-04-08 | 1987-11-30 | Asea Ab | Forfarande for riktningsdetektering av fel pa en kraftledning samt anordning for genomforande av det nemnda forfarandet |
| DE3642136A1 (de) * | 1986-12-10 | 1988-06-23 | Licentia Gmbh | Elektronischer ausloeser fuer kurzschlussstrombegrenzende schalter |
| US5111149A (en) * | 1989-02-28 | 1992-05-05 | Baker Electrical Instrument Company | Method and apparatus for automatically calculating the integrity of an electrical coil |
| US5796258A (en) * | 1997-01-30 | 1998-08-18 | Abb Power T&D Company, Inc. | Adaptive quadrilateral characteristic distance relay |
| US7969155B2 (en) * | 2007-07-03 | 2011-06-28 | Thomas & Betts International, Inc. | Directional fault current indicator |
| DE102011113472B4 (de) * | 2011-09-09 | 2017-05-11 | Audi Ag | Verfahren zum Erkennen einer Verbindungsstörung |
| CN117574114B (zh) * | 2024-01-15 | 2024-04-19 | 安徽农业大学 | 一种旋转机械运行数据远程重建与跳变扰动检测方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1096413A (en) * | 1964-04-28 | 1967-12-29 | English Electric Co Ltd | Electrical protective relays |
| US3731152A (en) * | 1972-05-25 | 1973-05-01 | Westinghouse Electric Corp | Impedance distance relay |
| SE368092B (fr) * | 1972-11-06 | 1974-06-17 | Asea Ab | |
| CH613570A5 (fr) * | 1976-03-25 | 1979-09-28 | Bbc Brown Boveri & Cie | |
| JPS53141442A (en) * | 1977-05-16 | 1978-12-09 | Tokyo Electric Power Co Inc:The | Distance relay |
| SE410925B (sv) * | 1978-04-06 | 1979-11-12 | Asea Ab | Riktad vagdetektor |
-
1978
- 1978-08-29 CH CH910578A patent/CH642491A5/de not_active IP Right Cessation
- 1978-09-21 DE DE2841009A patent/DE2841009C3/de not_active Expired
-
1979
- 1979-08-15 US US06/066,783 patent/US4287547A/en not_active Expired - Lifetime
- 1979-08-20 CA CA000334125A patent/CA1134912A/fr not_active Expired
- 1979-08-24 SE SE7907088A patent/SE436814B/sv not_active IP Right Cessation
- 1979-08-27 FR FR7921432A patent/FR2435143A1/fr not_active Withdrawn
- 1979-08-27 NL NL7906439A patent/NL7906439A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7906439A (nl) | 1980-03-04 |
| CH642491A5 (de) | 1984-04-13 |
| FR2435143A1 (fr) | 1980-03-28 |
| CA1134912A (fr) | 1982-11-02 |
| SE7907088L (sv) | 1980-03-01 |
| DE2841009C3 (de) | 1989-02-23 |
| DE2841009B2 (de) | 1980-10-16 |
| DE2841009A1 (de) | 1980-03-06 |
| US4287547A (en) | 1981-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE436814B (sv) | Forfarande och anordning for fel- och/eller felriktningsdetektering | |
| SE451102B (sv) | Forfarande for detektering av hogresistivt jordfel pa en kraftledning belegen mellan tva stationer samt anordning for genomforande av det nemnda forfarandet | |
| KR950034958A (ko) | 지락전류 억제장치 및 지락전류 억제방법 | |
| JP4150398B2 (ja) | 単独運転の検知方法 | |
| WO2016089910A1 (fr) | Détection de défaut et détermination de direction | |
| US3048744A (en) | Electrical protective relay systems | |
| CA1183935A (fr) | Relais et methode de protection pour lignes de transmission electriques | |
| AU583868B2 (en) | Power systems | |
| US4723189A (en) | Negative sequence detector for a continuous wave frequency transducer | |
| SE441138B (sv) | Digitalt impedansrele | |
| US2449739A (en) | Apparatus for detecting variations in load impedances | |
| JPH04355628A (ja) | 直流送電線路短絡検出装置 | |
| SE461001B (sv) | Koppling foer kompensering av reaktiv effekt i ett vaexelspaenningsnaet | |
| RU2688210C1 (ru) | Устройство защиты от однофазных замыканий на землю в сетях с изолированной нейтралью и с компенсацией емкостных токов | |
| CA1106917A (fr) | Systemes de telerelais | |
| Jackson et al. | Distance protection: optimum dynamic design of static relay comparators | |
| RU168498U1 (ru) | Устройство защиты электрических сетей среднего класса напряжения от однофазных замыканий на землю | |
| US3792313A (en) | Timing control circuit for solid state protective relays for providing novel control of the pickup and timing circuits provided therein | |
| EP0237765A2 (fr) | Dispositif pour générer un signal de rotation | |
| US2457278A (en) | Frequency responsive system | |
| CA1143008A (fr) | Dispositif de mesure d'impedance, et de protection contre les impedances | |
| RU2578123C1 (ru) | Устройство защиты электрических сетей от однофазных замыканий на землю | |
| CN110261720B (zh) | 配电网接地故障的单相接地判别方法及装置 | |
| US3104390A (en) | Course director | |
| CA1232013A (fr) | Relais protecteur pour generateur |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 7907088-4 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |
Ref document number: 7907088-4 Format of ref document f/p: F |