FR691089A - Device for measuring alternating electrical quantities - Google Patents
Device for measuring alternating electrical quantitiesInfo
- Publication number
- FR691089A FR691089A FR691089DA FR691089A FR 691089 A FR691089 A FR 691089A FR 691089D A FR691089D A FR 691089DA FR 691089 A FR691089 A FR 691089A
- Authority
- FR
- France
- Prior art keywords
- alternating electrical
- electrical quantities
- measuring alternating
- measuring
- quantities
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
-
- 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
- G01R15/142—Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26
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)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE346926X | 1929-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR691089A true FR691089A (en) | 1930-10-01 |
Family
ID=6255666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR691089D Expired FR691089A (en) | 1929-03-06 | 1930-03-04 | Device for measuring alternating electrical quantities |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH148529A (en) |
FR (1) | FR691089A (en) |
GB (1) | GB346926A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2509815A (en) * | 1945-07-24 | 1950-05-30 | Ross W Elliott | Electric current and voltage indicator |
US3471784A (en) * | 1967-09-14 | 1969-10-07 | Gen Electric | Combination voltage and magnetic loop |
US3621392A (en) * | 1970-01-22 | 1971-11-16 | Thermal Ind Of Florida Inc | Connectionless electrical meter for measuring voltage or power factor |
CA1277371C (en) * | 1984-07-02 | 1990-12-04 | Graham J. Clarke | High voltage apparatus |
GB2294829A (en) * | 1994-11-01 | 1996-05-08 | Hawker Siddeley Switchgear Ltd | High voltage sensing unit |
US6529013B2 (en) | 2001-05-31 | 2003-03-04 | Mcgraw-Edison Company | Three-phase voltage sensor with active crosstalk cancellation |
US6717395B2 (en) | 2001-05-31 | 2004-04-06 | Mcgraw-Edison Company | Current transformer based high voltage measurement apparatus |
CN103632820B (en) * | 2013-12-14 | 2015-04-01 | 广东广特电气有限公司 | On-load adjustable capacity transformer low-voltage outgoing line structure |
-
1930
- 1930-02-25 CH CH148529D patent/CH148529A/en unknown
- 1930-03-04 GB GB7079/30A patent/GB346926A/en not_active Expired
- 1930-03-04 FR FR691089D patent/FR691089A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB346926A (en) | 1931-04-23 |
CH148529A (en) | 1931-07-31 |
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