WO2003100797A3 - Method and device for installing and removing a current transformer - Google Patents
Method and device for installing and removing a current transformer Download PDFInfo
- Publication number
- WO2003100797A3 WO2003100797A3 PCT/IB2003/001798 IB0301798W WO03100797A3 WO 2003100797 A3 WO2003100797 A3 WO 2003100797A3 IB 0301798 W IB0301798 W IB 0301798W WO 03100797 A3 WO03100797 A3 WO 03100797A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transformer
- winding
- current
- core
- split
- Prior art date
Links
- 239000004020 conductor Substances 0.000 abstract 4
- 238000004804 winding Methods 0.000 abstract 4
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
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03722903A EP1508146A2 (en) | 2002-05-28 | 2003-05-08 | Method and device for installing and removing a current transformer on and from a current-carrying power line |
AU2003230061A AU2003230061A1 (en) | 2002-05-28 | 2003-05-08 | Method and device for installing and removing a current transformer |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38383302P | 2002-05-28 | 2002-05-28 | |
US60/383,833 | 2002-05-28 | ||
US10/293,729 US6756776B2 (en) | 2002-05-28 | 2002-11-12 | Method and device for installing and removing a current transformer on and from a current-carrying power line |
US10/293,729 | 2002-11-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003100797A2 WO2003100797A2 (en) | 2003-12-04 |
WO2003100797A3 true WO2003100797A3 (en) | 2004-03-04 |
Family
ID=29586507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2003/001798 WO2003100797A2 (en) | 2002-05-28 | 2003-05-08 | Method and device for installing and removing a current transformer |
Country Status (4)
Country | Link |
---|---|
US (1) | US6756776B2 (en) |
EP (1) | EP1508146A2 (en) |
AU (1) | AU2003230061A1 (en) |
WO (1) | WO2003100797A2 (en) |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4263549A (en) * | 1979-10-12 | 1981-04-21 | Corcom, Inc. | Apparatus for determining differential mode and common mode noise |
US4309655A (en) * | 1978-06-23 | 1982-01-05 | Lgz Landis & Gyr Zug Ag | Measuring transformer |
US4378525A (en) * | 1980-09-18 | 1983-03-29 | Burdick Neal M | Method and apparatus for measuring a DC current in a wire without making a direct connection to the wire |
US4390813A (en) * | 1981-06-29 | 1983-06-28 | Litek International Inc. | Transformer for driving Class D amplifier |
US4559496A (en) * | 1981-07-24 | 1985-12-17 | General Electric Company | LCD Hook-on digital ammeter |
US4707619A (en) * | 1985-02-13 | 1987-11-17 | Maxwell Laboratories, Inc. | Saturable inductor switch and pulse compression power supply employing the switch |
US5793196A (en) * | 1996-07-03 | 1998-08-11 | Sundstrand Corporation | Current transformer for measuring differential-mode and common-mode current |
US6426632B1 (en) * | 1999-03-29 | 2002-07-30 | George A. Spencer | Method and apparatus for testing an AFCI/GFCI circuit breaker |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048605A (en) * | 1976-04-05 | 1977-09-13 | Sangamo Electric Company | Split core current transformer having an interleaved joint and hinge structure |
US4851803A (en) * | 1988-07-25 | 1989-07-25 | E-Mon Corporation | Split core insulator and locking device |
US5426360A (en) * | 1994-02-17 | 1995-06-20 | Niagara Mohawk Power Corporation | Secondary electrical power line parameter monitoring apparatus and system |
-
2002
- 2002-11-12 US US10/293,729 patent/US6756776B2/en not_active Expired - Fee Related
-
2003
- 2003-05-08 EP EP03722903A patent/EP1508146A2/en not_active Withdrawn
- 2003-05-08 WO PCT/IB2003/001798 patent/WO2003100797A2/en not_active Application Discontinuation
- 2003-05-08 AU AU2003230061A patent/AU2003230061A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309655A (en) * | 1978-06-23 | 1982-01-05 | Lgz Landis & Gyr Zug Ag | Measuring transformer |
US4263549A (en) * | 1979-10-12 | 1981-04-21 | Corcom, Inc. | Apparatus for determining differential mode and common mode noise |
US4378525A (en) * | 1980-09-18 | 1983-03-29 | Burdick Neal M | Method and apparatus for measuring a DC current in a wire without making a direct connection to the wire |
US4390813A (en) * | 1981-06-29 | 1983-06-28 | Litek International Inc. | Transformer for driving Class D amplifier |
US4559496A (en) * | 1981-07-24 | 1985-12-17 | General Electric Company | LCD Hook-on digital ammeter |
US4707619A (en) * | 1985-02-13 | 1987-11-17 | Maxwell Laboratories, Inc. | Saturable inductor switch and pulse compression power supply employing the switch |
US5793196A (en) * | 1996-07-03 | 1998-08-11 | Sundstrand Corporation | Current transformer for measuring differential-mode and common-mode current |
US6426632B1 (en) * | 1999-03-29 | 2002-07-30 | George A. Spencer | Method and apparatus for testing an AFCI/GFCI circuit breaker |
Also Published As
Publication number | Publication date |
---|---|
WO2003100797A2 (en) | 2003-12-04 |
US6756776B2 (en) | 2004-06-29 |
AU2003230061A8 (en) | 2003-12-12 |
AU2003230061A1 (en) | 2003-12-12 |
EP1508146A2 (en) | 2005-02-23 |
US20030222747A1 (en) | 2003-12-04 |
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