CS255502B1 - Electric currents measuring device - Google Patents
Electric currents measuring device Download PDFInfo
- Publication number
- CS255502B1 CS255502B1 CS807420A CS742080A CS255502B1 CS 255502 B1 CS255502 B1 CS 255502B1 CS 807420 A CS807420 A CS 807420A CS 742080 A CS742080 A CS 742080A CS 255502 B1 CS255502 B1 CS 255502B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- transformer
- measuring device
- primary winding
- current
- transformers
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims abstract 19
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract 1
- 101150096418 Mepe gene Proteins 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 101100397240 Arabidopsis thaliana ISPD gene Proteins 0.000 description 2
- 101100066898 Mus musculus Flna gene Proteins 0.000 description 2
- DWPVVZZGGGCRRM-UHFFFAOYSA-N (4-methoxyphenyl)-(4-methylpiperazin-1-yl)methanone Chemical compound C1=CC(OC)=CC=C1C(=O)N1CCN(C)CC1 DWPVVZZGGGCRRM-UHFFFAOYSA-N 0.000 description 1
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- 241001505523 Gekko gecko Species 0.000 description 1
- 101100083037 Streptococcus mutans serotype c (strain ATCC 700610 / UA159) act gene Proteins 0.000 description 1
- 241001648319 Toronia toru Species 0.000 description 1
- ZAKOWWREFLAJOT-ADUHFSDSSA-N [2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-yl] acetate Chemical group CC(=O)OC1=C(C)C(C)=C2OC(CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C ZAKOWWREFLAJOT-ADUHFSDSSA-N 0.000 description 1
- 101150049339 pflA gene Proteins 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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
- G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
- G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
- G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
- G01R17/06—Automatic balancing arrangements
-
- 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
- H01F38/28—Current transformers
- H01F38/32—Circuit arrangements
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)
- Control Of Motors That Do Not Use Commutators (AREA)
- Transformers For Measuring Instruments (AREA)
- Control Of Eletrric Generators (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Electroluminescent Light Sources (AREA)
- Percussion Or Vibration Massage (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD79217290A DD157981A3 (de) | 1979-11-30 | 1979-11-30 | Messanordnung fuer elektrische stroeme |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS742080A1 CS742080A1 (en) | 1987-08-13 |
| CS255502B1 true CS255502B1 (en) | 1988-03-15 |
Family
ID=5521351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS807420A CS255502B1 (en) | 1979-11-30 | 1980-11-03 | Electric currents measuring device |
Country Status (12)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3435267C2 (de) * | 1984-09-26 | 1986-10-30 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Strommeßeinrichtung |
| GB8805245D0 (en) * | 1988-03-04 | 1988-04-07 | Cambridge Consultants | Active current transformer |
| GB2282893A (en) * | 1993-10-13 | 1995-04-19 | Qifeng Xu | External simulator of current transformers |
| EP1930735A1 (de) * | 2006-12-08 | 2008-06-11 | HÜTTINGER Elektronik GmbH + Co. KG | Vorrichtung und Verfahren zum Messen von Wechselströmen |
| CN114578120A (zh) * | 2022-03-30 | 2022-06-03 | 山东泰开互感器有限公司 | 一种具有调压器的零序电压传感器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE603514C (de) * | 1927-06-01 | 1934-10-02 | Siemens & Halske Akt Ges | Trockenplattengleichrichteranordnung mit vorgeschaltetem Verstaerker, insbesondere fuer Messzwecke |
| US2358480A (en) * | 1942-02-12 | 1944-09-19 | Int Standard Electric Corp | Current measuring device |
| DE1076260B (de) * | 1958-06-06 | 1960-02-25 | Hans Ritz Dr Ing | Stromwandler mit zwei Kernen und Fehlerkompensation durch einen elektronischen Verstaerker |
| DE2632377A1 (de) * | 1976-07-19 | 1978-01-26 | Friedl Richard | Stromkomparator mit digitaler stromregelung |
| DE2812303C2 (de) * | 1978-03-21 | 1983-12-29 | Deutsche Zähler-Gesellschaft Nachf. A. Stepper & Co (GmbH & Co), 2000 Hamburg | Stromwandleranordnung mit elektronischer Fehlerkompensation |
-
1979
- 1979-11-30 DD DD79217290A patent/DD157981A3/de not_active IP Right Cessation
-
1980
- 1980-10-15 AT AT80106273T patent/ATE6699T1/de active
- 1980-10-15 EP EP80106273A patent/EP0029903B1/de not_active Expired
- 1980-10-15 DE DE8080106273T patent/DE3067017D1/de not_active Expired
- 1980-10-29 SU SU807771460A patent/SU1394153A1/ru active
- 1980-10-31 BG BG8049523A patent/BG34868A1/xx unknown
- 1980-11-03 CS CS807420A patent/CS255502B1/cs unknown
- 1980-11-04 YU YU02817/80A patent/YU281780A/xx unknown
- 1980-11-09 HU HU802681A patent/HU190346B/hu unknown
- 1980-11-27 PL PL1980228112A patent/PL133866B1/pl unknown
- 1980-11-28 JP JP16682780A patent/JPS5722567A/ja active Granted
- 1980-11-28 RO RO80102711A patent/RO79828A/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3067017D1 (en) | 1984-04-19 |
| RO79828A (ro) | 1982-09-09 |
| PL228112A1 (enrdf_load_stackoverflow) | 1981-09-18 |
| BG34868A1 (en) | 1983-12-15 |
| SU1394153A1 (ru) | 1988-05-07 |
| JPS5722567A (en) | 1982-02-05 |
| PL133866B1 (en) | 1985-07-31 |
| ATE6699T1 (de) | 1984-03-15 |
| YU281780A (en) | 1983-10-31 |
| EP0029903B1 (de) | 1984-03-14 |
| HU190346B (en) | 1986-08-28 |
| JPS6411914B2 (enrdf_load_stackoverflow) | 1989-02-27 |
| EP0029903A1 (de) | 1981-06-10 |
| DD157981A3 (de) | 1982-12-22 |
| CS742080A1 (en) | 1987-08-13 |
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