ES2328415T3 - Toroide y dispositivo de deteccion diferencial. - Google Patents
Toroide y dispositivo de deteccion diferencial. Download PDFInfo
- Publication number
- ES2328415T3 ES2328415T3 ES07354051T ES07354051T ES2328415T3 ES 2328415 T3 ES2328415 T3 ES 2328415T3 ES 07354051 T ES07354051 T ES 07354051T ES 07354051 T ES07354051 T ES 07354051T ES 2328415 T3 ES2328415 T3 ES 2328415T3
- Authority
- ES
- Spain
- Prior art keywords
- toroid
- tape
- detection
- limb
- magnetic
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims description 30
- 238000000265 homogenisation Methods 0.000 claims abstract description 25
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 239000000696 magnetic material Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 230000007423 decrease Effects 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 244000045947 parasite Species 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- 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
- H01F27/24—Magnetic cores
- H01F27/25—Magnetic cores made from strips or ribbons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
- H01H2083/146—Provisions for avoiding disadvantages of having asymetrical primaries, e.g. induction of a magnetic field even by zero difference current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measuring Magnetic Variables (AREA)
- Retarders (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0610827 | 2006-12-12 | ||
| FR0610827A FR2909800B1 (fr) | 2006-12-12 | 2006-12-12 | Tore et dispositif de detection differentielle. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2328415T3 true ES2328415T3 (es) | 2009-11-12 |
Family
ID=38325440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES07354051T Active ES2328415T3 (es) | 2006-12-12 | 2007-10-03 | Toroide y dispositivo de deteccion diferencial. |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1933342B1 (de) |
| CN (1) | CN101226822B (de) |
| AT (1) | ATE438190T1 (de) |
| DE (1) | DE602007001769D1 (de) |
| ES (1) | ES2328415T3 (de) |
| FR (1) | FR2909800B1 (de) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2759128A (en) * | 1952-07-31 | 1956-08-14 | I T E Circnit Breaker Company | Reactors |
| US4366520A (en) * | 1981-03-25 | 1982-12-28 | Magnetic Metals Corporation | Differential transformer core for pulse currents |
| DE3140866A1 (de) * | 1981-10-14 | 1983-04-21 | Siemens AG, 1000 Berlin und 8000 München | Anordnung zur vermeidung von fehlimpulsen eines summenstromwandlers |
| FR2749987B1 (fr) * | 1996-06-14 | 1998-08-07 | Schneider Electric Sa | Dispositif de protection differentielle immunise contre les declenchements intempestifs |
| DE19710742C2 (de) * | 1997-03-14 | 1999-07-01 | Siemens Ag | Summenstrom-Wandleranordnung |
| US6023216A (en) * | 1998-07-20 | 2000-02-08 | Ohio Transformer | Transformer coil and method |
| FR2799840B1 (fr) * | 1999-10-15 | 2001-12-21 | Rs Isolsec | Capteur de courant differentiel |
| DE10237255C5 (de) * | 2002-08-14 | 2009-05-20 | Deutsch-Französisches Forschungsinstitut Saint-Louis, Saint-Louis | Transformatorspule |
| CN100576376C (zh) * | 2004-03-29 | 2009-12-30 | 达特默斯大学托管会 | 有隙铁芯上的磁性线圈的低交流电阻箔式绕组 |
| FR2870040B1 (fr) * | 2004-05-10 | 2006-06-09 | Areva T & D Sa | Transformateur de courant a bobinages de type rogowski comportant des circuits partiels associes pour former un circuit complet |
-
2006
- 2006-12-12 FR FR0610827A patent/FR2909800B1/fr not_active Expired - Fee Related
-
2007
- 2007-10-03 ES ES07354051T patent/ES2328415T3/es active Active
- 2007-10-03 DE DE602007001769T patent/DE602007001769D1/de active Active
- 2007-10-03 EP EP07354051A patent/EP1933342B1/de not_active Not-in-force
- 2007-10-03 AT AT07354051T patent/ATE438190T1/de not_active IP Right Cessation
- 2007-12-12 CN CN2007101997366A patent/CN101226822B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1933342A1 (de) | 2008-06-18 |
| ATE438190T1 (de) | 2009-08-15 |
| EP1933342B1 (de) | 2009-07-29 |
| DE602007001769D1 (de) | 2009-09-10 |
| CN101226822B (zh) | 2011-09-28 |
| CN101226822A (zh) | 2008-07-23 |
| FR2909800A1 (fr) | 2008-06-13 |
| FR2909800B1 (fr) | 2009-01-09 |
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