IT1094273B - Apparecchio per la misurazione di correnti elettriche - Google Patents
Apparecchio per la misurazione di correnti elettricheInfo
- Publication number
- IT1094273B IT1094273B IT21082/78A IT2108278A IT1094273B IT 1094273 B IT1094273 B IT 1094273B IT 21082/78 A IT21082/78 A IT 21082/78A IT 2108278 A IT2108278 A IT 2108278A IT 1094273 B IT1094273 B IT 1094273B
- Authority
- IT
- Italy
- Prior art keywords
- electric currents
- measuring electric
- measuring
- currents
- electric
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/188—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers comprising rotatable parts, e.g. moving coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
- Transformers For Measuring Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2712064A DE2712064C3 (de) | 1977-03-15 | 1977-03-15 | Strommeßeinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7821082A0 IT7821082A0 (it) | 1978-03-10 |
IT1094273B true IT1094273B (it) | 1985-07-26 |
Family
ID=6004057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21082/78A IT1094273B (it) | 1977-03-15 | 1978-03-10 | Apparecchio per la misurazione di correnti elettriche |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS53116184A (it) |
BE (1) | BE864930A (it) |
CH (1) | CH619542A5 (it) |
DE (1) | DE2712064C3 (it) |
FR (1) | FR2384265A1 (it) |
IT (1) | IT1094273B (it) |
NL (1) | NL7712578A (it) |
SE (1) | SE421837B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2854415C2 (de) * | 1978-12-16 | 1989-04-06 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 7000 Stuttgart | Vorrichtung zur Abgabe eines optischen Signals abhängig von einer elektrischen Betriebsgröße eines isolierten Kabels eines Energieversorgungsnetzes |
SE8200838L (sv) * | 1982-02-12 | 1983-08-13 | Intab Interface Teknik Ab | Anordning for temperaturmetning vid kraftledningslinor |
FR2539878A1 (fr) * | 1983-01-24 | 1984-07-27 | Jeumont Schneider | Dispositif de controle du fonctionnement de semi-conducteurs de puissance |
CA1182537A (fr) * | 1983-02-08 | 1985-02-12 | Hubert P. Mercure | Capteur dynamique de courant |
US4796148A (en) * | 1985-10-25 | 1989-01-03 | S&C Electric Company | Current-sensing arrangement utilizing two current-sensing signals |
DE3707707A1 (de) * | 1987-03-11 | 1988-09-29 | Pfisterer Elektrotech Karl | Messwandler |
DE3712190A1 (de) * | 1987-04-10 | 1988-10-27 | Bbc Brown Boveri & Cie | Elektrischer wandler |
US4831327A (en) * | 1987-05-01 | 1989-05-16 | Hydro-Quebec | Self-powered electrical measuring system isolated from electrical perturbances |
JPH02236459A (ja) * | 1989-03-10 | 1990-09-19 | Sumitomo Electric Ind Ltd | 架空送電線の電流検出装置 |
DE19905118B4 (de) * | 1999-02-09 | 2010-04-08 | Michael Heilmann | Stromteiler für Meßwandler |
DE19941169A1 (de) * | 1999-08-30 | 2001-03-01 | Abb Research Ltd | Stromsensor |
WO2016166050A1 (de) * | 2015-04-14 | 2016-10-20 | Omicron Electronics Gmbh | Transformator, prüfvorrichtung und verfahren zum prüfen eines prüflings einer energietechnischen anlage |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3969671A (en) * | 1972-07-14 | 1976-07-13 | Smith David A | Charging current voltmeter |
-
1977
- 1977-03-15 DE DE2712064A patent/DE2712064C3/de not_active Expired
- 1977-11-10 CH CH1369877A patent/CH619542A5/de not_active IP Right Cessation
- 1977-11-15 NL NL7712578A patent/NL7712578A/xx not_active Application Discontinuation
-
1978
- 1978-01-24 SE SE7800844A patent/SE421837B/sv unknown
- 1978-02-22 FR FR7805050A patent/FR2384265A1/fr active Granted
- 1978-03-10 IT IT21082/78A patent/IT1094273B/it active
- 1978-03-10 JP JP2757578A patent/JPS53116184A/ja active Pending
- 1978-03-15 BE BE185963A patent/BE864930A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2712064C3 (de) | 1980-08-14 |
JPS53116184A (en) | 1978-10-11 |
SE421837B (sv) | 1982-02-01 |
FR2384265B1 (it) | 1982-03-19 |
DE2712064B2 (de) | 1979-12-13 |
FR2384265A1 (fr) | 1978-10-13 |
DE2712064A1 (de) | 1978-09-21 |
IT7821082A0 (it) | 1978-03-10 |
SE7800844L (sv) | 1978-09-16 |
CH619542A5 (en) | 1980-09-30 |
BE864930A (fr) | 1978-07-03 |
NL7712578A (nl) | 1978-09-19 |
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