CH574111A5 - - Google Patents
Info
- Publication number
- CH574111A5 CH574111A5 CH1819572A CH1819572A CH574111A5 CH 574111 A5 CH574111 A5 CH 574111A5 CH 1819572 A CH1819572 A CH 1819572A CH 1819572 A CH1819572 A CH 1819572A CH 574111 A5 CH574111 A5 CH 574111A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
- G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR727201226A FR2167392B1 (xx) | 1972-01-14 | 1972-01-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH574111A5 true CH574111A5 (xx) | 1976-03-31 |
Family
ID=9091919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1819572A CH574111A5 (xx) | 1972-01-14 | 1972-12-14 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3885213A (xx) |
CA (1) | CA969620A (xx) |
CH (1) | CH574111A5 (xx) |
DE (1) | DE2300131A1 (xx) |
FR (1) | FR2167392B1 (xx) |
SE (1) | SE394837B (xx) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3996513A (en) * | 1975-04-24 | 1976-12-07 | Butler Fred C | Differential microampere current sensor |
US4471309A (en) * | 1982-02-09 | 1984-09-11 | Westinghouse Electric Corp. | Vacuum detector |
GB8613789D0 (en) * | 1986-06-06 | 1986-07-09 | Bonar Bray Ltd | Magnetic field sensor coil |
US4719414A (en) * | 1986-07-14 | 1988-01-12 | Miller John S | Current detection device having an extended frequency range of response |
US4897600A (en) * | 1987-11-13 | 1990-01-30 | Florida International University | High frequency ammeter |
EP0346428A4 (en) * | 1987-11-13 | 1991-06-05 | Univ Florida Int | High frequency ammeter and personal dosimeter |
US4913153A (en) * | 1987-11-13 | 1990-04-03 | Florida International University | Personal dosimeter |
US5057769A (en) * | 1989-07-27 | 1991-10-15 | Sensorlink Corporation | AC current sensor |
FR2682188B1 (fr) * | 1991-10-04 | 1995-08-11 | Serthel | Capteur electrique d'intensite de courant, notamment pour des circuits a courants alternatifs importants et a frequence elevee . |
US5339061A (en) * | 1993-06-01 | 1994-08-16 | Michael Ebert | Iron-free transformer |
DE19640981A1 (de) * | 1996-10-04 | 1998-04-16 | Asea Brown Boveri | Rogowskispule |
EP0990160B1 (de) * | 1997-06-16 | 2001-11-28 | Trench Switzerland AG | Ringkern-stromwandler mit integriertem messshunt |
US6566854B1 (en) | 1998-03-13 | 2003-05-20 | Florida International University | Apparatus for measuring high frequency currents |
WO2006089443A1 (de) * | 2005-02-22 | 2006-08-31 | Trench Switzerland Ag | Ringkern-stromwandler mit phasenkompensationsschaltung |
US7613578B2 (en) * | 2007-05-01 | 2009-11-03 | Hagmann Mark J | Method for noninvasive determination of a distribution of electrical current and apparatus for the same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1589812A (en) * | 1925-10-05 | 1926-06-22 | Jewell Electrical Instr Compan | Alternating-current voltammeter |
US2494206A (en) * | 1946-04-23 | 1950-01-10 | Wayne M Ross | Electrical measuring instrument |
FR992516A (fr) * | 1949-05-30 | 1951-10-19 | Soc Indep Telegraphie Sans Fil | Perfectionnements aux transformateurs d'intensité |
US3168698A (en) * | 1960-06-27 | 1965-02-02 | Fed Pacific Electric Co | Electrical clamp-on meter with swivel connected tongs |
FR1478330A (fr) * | 1965-04-23 | 1967-04-28 | Telemecanique Electrique | Perfectionnement à la mesure des courants industriels jusqu' à des fréquences élevées |
-
1972
- 1972-01-14 FR FR727201226A patent/FR2167392B1/fr not_active Expired
- 1972-12-13 SE SE7216305A patent/SE394837B/xx unknown
- 1972-12-14 CA CA158,861A patent/CA969620A/en not_active Expired
- 1972-12-14 CH CH1819572A patent/CH574111A5/xx not_active IP Right Cessation
-
1973
- 1973-01-03 DE DE2300131A patent/DE2300131A1/de active Pending
- 1973-01-09 US US322177A patent/US3885213A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2167392A1 (xx) | 1973-08-24 |
CA969620A (en) | 1975-06-17 |
SE394837B (sv) | 1977-07-11 |
FR2167392B1 (xx) | 1974-06-21 |
US3885213A (en) | 1975-05-20 |
DE2300131A1 (de) | 1973-07-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |