SE397221B - Stromtransformator med elektronisk felkompensation, i synnerhet for elektroniska kwh-metare - Google Patents
Stromtransformator med elektronisk felkompensation, i synnerhet for elektroniska kwh-metareInfo
- Publication number
- SE397221B SE397221B SE7407020A SE7407020A SE397221B SE 397221 B SE397221 B SE 397221B SE 7407020 A SE7407020 A SE 7407020A SE 7407020 A SE7407020 A SE 7407020A SE 397221 B SE397221 B SE 397221B
- Authority
- SE
- Sweden
- Prior art keywords
- electronic
- power transformer
- error compensation
- kwh meters
- meters
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
- H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Transformers For Measuring Instruments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732328587 DE2328587A1 (de) | 1973-06-05 | 1973-06-05 | Anordnung zur messung elektrischer wechselstromgroessen mit hilfe eines elektronischen messgeraetes |
DE19732330048 DE2330048A1 (de) | 1973-06-13 | 1973-06-13 | Anordnung zur erfassung des laststromes fuer elektronische kwh-zaehler |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7407020L SE7407020L (ja) | 1974-12-06 |
SE397221B true SE397221B (sv) | 1977-10-24 |
Family
ID=25765255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7407020A SE397221B (sv) | 1973-06-05 | 1974-05-28 | Stromtransformator med elektronisk felkompensation, i synnerhet for elektroniska kwh-metare |
Country Status (8)
Country | Link |
---|---|
US (1) | US3916310A (ja) |
JP (1) | JPS5027922A (ja) |
DK (1) | DK293674A (ja) |
ES (1) | ES426959A1 (ja) |
FR (1) | FR2232761B1 (ja) |
IT (1) | IT1014728B (ja) |
NL (1) | NL7407374A (ja) |
SE (1) | SE397221B (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5421925B2 (ja) * | 1974-07-12 | 1979-08-03 | ||
DE2625354C3 (de) * | 1976-06-04 | 1981-06-04 | Siemens AG, 1000 Berlin und 8000 München | Übertrager für Gleich- und Wechselstromsignale mit einem ferromagnetischen Kern, der mindestens zwei voneinander unabhängige Magnetflüsse zuläßt |
DE2641581C3 (de) * | 1976-09-13 | 1985-05-09 | Siemens AG, 1000 Berlin und 8000 München | Spannungsmeßeinrichtung für Hochspannungen |
JPS5342411A (en) * | 1976-09-28 | 1978-04-17 | Raito Kougiyou Kk | Driving method of pipe body |
US4182982A (en) * | 1978-07-11 | 1980-01-08 | Westinghouse Electric Corp. | Current sensing transducer for power line current measurements |
FR2437627A1 (fr) * | 1978-09-29 | 1980-04-25 | Kostal Fa Leopold | Montage electrique de controle d'appareil |
GB2045952B (en) * | 1979-03-15 | 1983-01-12 | Tokyo Shibaura Electric Co | Current transforming circuits |
US4243931A (en) * | 1979-03-28 | 1981-01-06 | Rosemount Inc. | Current isolator |
JPS5740696U (ja) * | 1980-08-19 | 1982-03-04 | ||
DE3140544A1 (de) * | 1981-10-13 | 1983-04-21 | Richard Dr.-Ing. 3300 Braunschweig Friedl | Aktiver stromsensor mit primaerer reduzierwicklung |
DE3318749C2 (de) * | 1983-05-24 | 1985-03-28 | Richard Dr.-Ing. 3300 Braunschweig Friedl | Aktiver Stromwandler |
CH661814A5 (de) * | 1983-06-01 | 1987-08-14 | Landis & Gyr Ag | Messspannungswandler hoher genauigkeit. |
DE3323905A1 (de) * | 1983-07-02 | 1985-01-10 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Schaltungsanordnung zum erfassen eines stromes in stromversorgungsgeraeten |
US4761605A (en) * | 1986-12-22 | 1988-08-02 | General Electric Company | Input switching in electronic watthour meter |
US4887028A (en) * | 1987-09-21 | 1989-12-12 | Landis & Gyr Metering, Inc. | Watthour meter with isolation transformers having a feedback loop |
FR2624617B1 (fr) * | 1987-12-11 | 1990-05-11 | Europ Agence Spatiale | Appareil de mesure de courants electriques a couplage magnetique |
FR2690993A1 (fr) * | 1992-05-06 | 1993-11-12 | Europ Agence Spatiale | Détecteur d'intensité de courant unidirectionnel à isolement galvanique, dispositif de mesure d'intensité, convertisseur de courant continu-continu et radar mettant en Óoeuvre un tel détecteur. |
DE19649304A1 (de) * | 1996-11-28 | 1998-06-04 | Alsthom Cge Alcatel | Schaltanordnung zur potentialgetrennten Spannungs- und/oder Strommessung |
DE10311441B4 (de) * | 2003-03-15 | 2005-03-10 | Emh Elek Zitaetszaehler Gmbh & | Elektronischer Elektrizitätszähler |
CN100403037C (zh) * | 2004-12-02 | 2008-07-16 | 华为技术有限公司 | 测量交流电的方法和装置 |
US20080024265A1 (en) * | 2006-07-11 | 2008-01-31 | Jones Richard K | Wrist-wearable electrical detection device |
US7622910B2 (en) * | 2006-10-06 | 2009-11-24 | Honeywell International Inc. | Method and apparatus for AC integrated current sensor |
EP2378295B1 (en) * | 2010-04-14 | 2012-07-11 | ABB Technology AG | Method and arrangement for voltage measurement |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428613A (en) * | 1943-10-18 | 1947-10-07 | Gen Electric | Transformer |
US2889519A (en) * | 1958-04-23 | 1959-06-02 | Montgomery George Franklin | Clamp-type current transducer |
-
1974
- 1974-05-28 SE SE7407020A patent/SE397221B/xx unknown
- 1974-05-28 US US473700A patent/US3916310A/en not_active Expired - Lifetime
- 1974-05-31 NL NL7407374A patent/NL7407374A/xx unknown
- 1974-05-31 DK DK293674*A patent/DK293674A/da unknown
- 1974-06-03 JP JP49062783A patent/JPS5027922A/ja active Pending
- 1974-06-04 ES ES426959A patent/ES426959A1/es not_active Expired
- 1974-06-04 FR FR7419255A patent/FR2232761B1/fr not_active Expired
- 1974-06-04 IT IT23543/74A patent/IT1014728B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS5027922A (ja) | 1975-03-22 |
FR2232761B1 (ja) | 1979-05-25 |
NL7407374A (ja) | 1974-12-09 |
FR2232761A1 (ja) | 1975-01-03 |
SE7407020L (ja) | 1974-12-06 |
US3916310A (en) | 1975-10-28 |
DK293674A (ja) | 1975-01-20 |
IT1014728B (it) | 1977-04-30 |
ES426959A1 (es) | 1976-09-01 |
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