SE8002037L - Sett och anordning for felriktningsdetektering - Google Patents
Sett och anordning for felriktningsdetekteringInfo
- Publication number
- SE8002037L SE8002037L SE8002037A SE8002037A SE8002037L SE 8002037 L SE8002037 L SE 8002037L SE 8002037 A SE8002037 A SE 8002037A SE 8002037 A SE8002037 A SE 8002037A SE 8002037 L SE8002037 L SE 8002037L
- Authority
- SE
- Sweden
- Prior art keywords
- measuring
- phase
- fault
- measuring voltage
- errors
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
- H02H3/382—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
- Measuring Phase Differences (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH259779A CH655621B (sv) | 1979-03-20 | 1979-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8002037L true SE8002037L (sv) | 1980-09-21 |
| SE446143B SE446143B (sv) | 1986-08-11 |
Family
ID=4237347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8002037A SE446143B (sv) | 1979-03-20 | 1980-03-14 | Sett och anordning for felriktningsdetektering i ett elektriskt flerfasnet |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH655621B (sv) |
| DE (1) | DE2914900C2 (sv) |
| FR (1) | FR2452114A1 (sv) |
| GB (1) | GB2046039B (sv) |
| NL (1) | NL8001554A (sv) |
| SE (1) | SE446143B (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2689507B1 (de) * | 2011-03-24 | 2017-07-19 | Siemens Aktiengesellschaft | Richtungsbestimmung von intermittierenden erdfehlern in energieversorgungsnetzen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE302638B (sv) * | 1964-06-26 | 1968-07-29 | Siemens Ag | |
| CH560477A5 (sv) * | 1973-05-30 | 1975-03-27 | Bbc Brown Boveri & Cie |
-
1979
- 1979-03-20 CH CH259779A patent/CH655621B/de unknown
- 1979-04-12 DE DE2914900A patent/DE2914900C2/de not_active Expired
-
1980
- 1980-03-14 SE SE8002037A patent/SE446143B/sv not_active IP Right Cessation
- 1980-03-16 NL NL8001554A patent/NL8001554A/nl not_active Application Discontinuation
- 1980-03-18 GB GB8009071A patent/GB2046039B/en not_active Expired
- 1980-03-18 FR FR8006022A patent/FR2452114A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB2046039A (en) | 1980-11-05 |
| SE446143B (sv) | 1986-08-11 |
| DE2914900C2 (de) | 1985-01-31 |
| GB2046039B (en) | 1982-11-10 |
| CH655621B (sv) | 1986-04-30 |
| FR2452114A1 (fr) | 1980-10-17 |
| NL8001554A (nl) | 1980-09-23 |
| DE2914900A1 (de) | 1980-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE7901478L (sv) | Distansreleskydd | |
| FR2448724B1 (sv) | ||
| JPS5323506A (en) | Reading system | |
| SE8603594L (sv) | Informationsomvandlingsanordning med extra adressledningar for att oka tillverkningsutbytet | |
| US2079485A (en) | Protective arrangement for electrical instruments | |
| ATE35319T1 (de) | Digitale elektrische laengen- oder winkelmesseinrichtung. | |
| FR2366577A1 (fr) | Procede permettant d'aligner correctement des sondes lors de contacts multiples | |
| IT8021438A0 (it) | Trasformatore di misura utile per misurare, senza vincolo di potenziale, correnti o tensioni elettriche. | |
| SE7606658L (sv) | Sett och anordning for detektering av kortslutningar pa ledningar | |
| SE8002037L (sv) | Sett och anordning for felriktningsdetektering | |
| SE7907088L (sv) | Forfarande och anordning for fel- och/eller felriktningsdetektering | |
| IT8021471A0 (it) | Generatore di tensione costante per circuiti integrati. | |
| FR2670295B1 (fr) | Dispositif de mesure electrique a double configuration de branchement. | |
| SU964493A2 (ru) | Устройство дл осуществлени передачи измерительной информации с вращающихс деталей | |
| JPS5333154A (en) | Developing and cleaning device for copier | |
| JPS5523638A (en) | Failure detection unit for transmission control unit | |
| JPS51121780A (en) | Testing lead cable | |
| JPS53133067A (en) | Potential difference measuring device | |
| JPS54155082A (en) | Insulating faulty point location detecting circuit of wire and cable | |
| JPS53123786A (en) | Level detection circuit | |
| SU645098A1 (ru) | Способ измерени емкости | |
| SE7707024L (sv) | Kretsanordning for detektering av en elektrisk stroms nollpunkt | |
| JPS5371241A (en) | Device for determining trouble point | |
| JPS5333644A (en) | Simple type voltage indicating system using light emitting diodes | |
| JPS5352901A (en) | Detection and detector for fault point in motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8002037-3 Effective date: 19910117 Format of ref document f/p: F |