CH655621B - - Google Patents
Info
- Publication number
- CH655621B CH655621B CH259779A CH259779A CH655621B CH 655621 B CH655621 B CH 655621B CH 259779 A CH259779 A CH 259779A CH 259779 A CH259779 A CH 259779A CH 655621 B CH655621 B CH 655621B
- Authority
- CH
- Switzerland
Links
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
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- 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)
- Measuring Phase Differences (AREA)
- Locating Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH259779A CH655621B (US07968547-20110628-C00004.png) | 1979-03-20 | 1979-03-20 | |
| DE2914900A DE2914900C2 (de) | 1979-03-20 | 1979-04-12 | Verfahren und Einrichtung zur Fehlerrichtungsdetektion in einem elektrischen Mehrphasennetz |
| SE8002037A SE446143B (sv) | 1979-03-20 | 1980-03-14 | Sett och anordning for felriktningsdetektering i ett elektriskt flerfasnet |
| NL8001554A NL8001554A (nl) | 1979-03-20 | 1980-03-16 | Werkwijze en inrichting voor de foutrichtingsdetectie in een elektrisch meerfase-net. |
| GB8009071A GB2046039B (en) | 1979-03-20 | 1980-03-18 | Method and apparatus for detecting the direction of a fault on an electrical transmission line |
| FR8006022A FR2452114A1 (fr) | 1979-03-20 | 1980-03-18 | Procede et dispositif de detection de l'orientation d'un defaut d'un reseau electrique polyphase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH259779A CH655621B (US07968547-20110628-C00004.png) | 1979-03-20 | 1979-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH655621B true CH655621B (US07968547-20110628-C00004.png) | 1986-04-30 |
Family
ID=4237347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH259779A CH655621B (US07968547-20110628-C00004.png) | 1979-03-20 | 1979-03-20 |
Country Status (6)
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 (US07968547-20110628-C00004.png) * | 1964-06-26 | 1968-07-29 | Siemens Ag | |
| CH560477A5 (US07968547-20110628-C00004.png) * | 1973-05-30 | 1975-03-27 | Bbc Brown Boveri & Cie |
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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 FR FR8006022A patent/FR2452114A1/fr active Pending
- 1980-03-18 GB GB8009071A patent/GB2046039B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE8002037L (sv) | 1980-09-21 |
| FR2452114A1 (fr) | 1980-10-17 |
| NL8001554A (nl) | 1980-09-23 |
| GB2046039B (en) | 1982-11-10 |
| DE2914900C2 (de) | 1985-01-31 |
| DE2914900A1 (de) | 1980-10-02 |
| SE446143B (sv) | 1986-08-11 |
| GB2046039A (en) | 1980-11-05 |
