BE864930A - AMMETER - Google Patents
AMMETERInfo
- Publication number
- BE864930A BE864930A BE185963A BE185963A BE864930A BE 864930 A BE864930 A BE 864930A BE 185963 A BE185963 A BE 185963A BE 185963 A BE185963 A BE 185963A BE 864930 A BE864930 A BE 864930A
- Authority
- BE
- Belgium
- Prior art keywords
- ammeter
- 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 (en) | 1977-03-15 | 1977-03-15 | Current measuring device |
Publications (1)
Publication Number | Publication Date |
---|---|
BE864930A true BE864930A (en) | 1978-07-03 |
Family
ID=6004057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE185963A BE864930A (en) | 1977-03-15 | 1978-03-15 | AMMETER |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS53116184A (en) |
BE (1) | BE864930A (en) |
CH (1) | CH619542A5 (en) |
DE (1) | DE2712064C3 (en) |
FR (1) | FR2384265A1 (en) |
IT (1) | IT1094273B (en) |
NL (1) | NL7712578A (en) |
SE (1) | SE421837B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2854415C2 (en) * | 1978-12-16 | 1989-04-06 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 7000 Stuttgart | Device for emitting an optical signal as a function of an electrical operating variable of an insulated cable of a power supply network |
SE8200838L (en) * | 1982-02-12 | 1983-08-13 | Intab Interface Teknik Ab | DEVICE FOR TEMPERATURE SEATING BY POWER LINE |
FR2539878A1 (en) * | 1983-01-24 | 1984-07-27 | Jeumont Schneider | Device for checking the functioning of power semiconductors |
CA1182537A (en) * | 1983-02-08 | 1985-02-12 | Hubert P. Mercure | Dynamic current sensor |
US4796148A (en) * | 1985-10-25 | 1989-01-03 | S&C Electric Company | Current-sensing arrangement utilizing two current-sensing signals |
DE3707707A1 (en) * | 1987-03-11 | 1988-09-29 | Pfisterer Elektrotech Karl | Measuring transducer |
DE3712190A1 (en) * | 1987-04-10 | 1988-10-27 | Bbc Brown Boveri & Cie | Electrical transformer |
US4831327A (en) * | 1987-05-01 | 1989-05-16 | Hydro-Quebec | Self-powered electrical measuring system isolated from electrical perturbances |
JPH02236459A (en) * | 1989-03-10 | 1990-09-19 | Sumitomo Electric Ind Ltd | Current detector for overhead transmission line |
DE19905118B4 (en) * | 1999-02-09 | 2010-04-08 | Michael Heilmann | Flow divider for transducers |
DE19941169A1 (en) * | 1999-08-30 | 2001-03-01 | Abb Research Ltd | Arrangement for detecting and evaluating current in conductor has core that contains sensor of current-induced magnetic field so as to act as screen for sensor against external magnetic fields |
WO2016166050A1 (en) * | 2015-04-14 | 2016-10-20 | Omicron Electronics Gmbh | Transformer, testing apparatus, and method for testing a test object of an item of energy equipment |
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/en not_active Expired
- 1977-11-10 CH CH1369877A patent/CH619542A5/en not_active IP Right Cessation
- 1977-11-15 NL NL7712578A patent/NL7712578A/en not_active Application Discontinuation
-
1978
- 1978-01-24 SE SE7800844A patent/SE421837B/en unknown
- 1978-02-22 FR FR7805050A patent/FR2384265A1/en active Granted
- 1978-03-10 IT IT21082/78A patent/IT1094273B/en active
- 1978-03-10 JP JP2757578A patent/JPS53116184A/en active Pending
- 1978-03-15 BE BE185963A patent/BE864930A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE7800844L (en) | 1978-09-16 |
JPS53116184A (en) | 1978-10-11 |
NL7712578A (en) | 1978-09-19 |
FR2384265B1 (en) | 1982-03-19 |
DE2712064B2 (en) | 1979-12-13 |
CH619542A5 (en) | 1980-09-30 |
DE2712064A1 (en) | 1978-09-21 |
IT7821082A0 (en) | 1978-03-10 |
FR2384265A1 (en) | 1978-10-13 |
SE421837B (en) | 1982-02-01 |
DE2712064C3 (en) | 1980-08-14 |
IT1094273B (en) | 1985-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SIEMENS A.G. Effective date: 19840315 |