AU2001293270A1 - Reduction of capacitance effects in potential transformers - Google Patents

Reduction of capacitance effects in potential transformers

Info

Publication number
AU2001293270A1
AU2001293270A1 AU2001293270A AU9327001A AU2001293270A1 AU 2001293270 A1 AU2001293270 A1 AU 2001293270A1 AU 2001293270 A AU2001293270 A AU 2001293270A AU 9327001 A AU9327001 A AU 9327001A AU 2001293270 A1 AU2001293270 A1 AU 2001293270A1
Authority
AU
Australia
Prior art keywords
reduction
potential transformers
capacitance effects
capacitance
effects
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.)
Abandoned
Application number
AU2001293270A
Inventor
Glenn A. Mayfield
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RADIAN RESEARCH Inc
Original Assignee
Radian Res Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Radian Res Inc filed Critical Radian Res Inc
Publication of AU2001293270A1 publication Critical patent/AU2001293270A1/en
Abandoned legal-status Critical Current

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
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • 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
    • H01F27/425—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for voltage transformers
    • 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
    • H01F38/24—Voltage transformers
AU2001293270A 2000-09-15 2001-09-11 Reduction of capacitance effects in potential transformers Abandoned AU2001293270A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23318300P 2000-09-15 2000-09-15
US60233183 2000-09-15
PCT/US2001/042115 WO2002023707A1 (en) 2000-09-15 2001-09-11 Reduction of capacitance effects in potential transformers

Publications (1)

Publication Number Publication Date
AU2001293270A1 true AU2001293270A1 (en) 2002-03-26

Family

ID=22876232

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001293270A Abandoned AU2001293270A1 (en) 2000-09-15 2001-09-11 Reduction of capacitance effects in potential transformers

Country Status (4)

Country Link
US (1) US6963262B2 (en)
EP (1) EP1323228A4 (en)
AU (1) AU2001293270A1 (en)
WO (1) WO2002023707A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5434370B2 (en) * 2009-08-26 2014-03-05 サンケン電気株式会社 Resonant switching power supply
JP5990887B2 (en) * 2011-09-28 2016-09-14 サンケン電気株式会社 Gate drive circuit
US9576725B2 (en) 2012-12-28 2017-02-21 General Electric Company Method for reducing interwinding capacitance current in an isolation transformer
CN106991263A (en) * 2017-05-25 2017-07-28 清华大学 A kind of modeling method of mesolow distribution transformer winding thunder and lightning wideband model
DE102018120181A1 (en) * 2018-08-20 2020-03-05 Ebm-Papst Mulfingen Gmbh & Co. Kg Device for reducing high-frequency interference in a transformer
CN113241241B (en) * 2021-05-07 2023-05-12 湖南银河电气有限公司 Active electric shielding device for coil winding

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE735367C (en) 1939-02-05 1943-05-13 Siemens Ag Winding arrangement for high voltage transformers
US2878441A (en) 1956-07-17 1959-03-17 Gen Dynamics Corp Shielded transformer
US3028569A (en) 1959-08-31 1962-04-03 Gen Electric Open core potential transformer
US3153758A (en) 1961-12-26 1964-10-20 Ca Nat Research Council Current comparator device having plural magnetic cores and multiple windings
US3500171A (en) 1967-01-06 1970-03-10 Canadian Patents Dev Self-balancing current comparator for precise voltage levels and potentiometer usage
US3534247A (en) 1968-05-15 1970-10-13 Canadian Patents Dev Current transformer with internal error compensation
US3651760A (en) * 1968-10-26 1972-03-28 Messerschmitt Boelkow Blohm Ignition system for warhead
US3699488A (en) * 1972-02-28 1972-10-17 Allis Chalmers Distribution transformer having static shield
US4333900A (en) * 1977-12-02 1982-06-08 Chloride Electro Networks, Division Of Chloride, Inc., N. American Operation Process for manufacture of high voltage transformers and the like
DE3243595C2 (en) * 1982-11-25 1985-10-17 Smit Transformatoren B.V., Nijmegen Winding arrangement for a gas-cooled transformer
JPS63158822A (en) * 1986-12-23 1988-07-01 Nissin Electric Co Ltd Instrument transformer
US4841236A (en) 1988-03-22 1989-06-20 Canadian Patents And Development Limited-Societe Canadienne Des Brevets Et D'exploitation Limitee Current ratio device
US4888545A (en) * 1988-06-01 1989-12-19 International Business Machines Corp. Improved tap switching power supply
US5216364A (en) * 1989-01-11 1993-06-01 Nartron Corporation Variable transformer position sensor
US4916599A (en) * 1989-03-29 1990-04-10 Hyperpower, Inc. Switching power supply
US5235217A (en) * 1991-07-24 1993-08-10 Isb Ltd. Capacitive press control actuation system
US5307008A (en) 1991-11-04 1994-04-26 National Research Council Of Canada Current ratio device and toroidal core assembly therefor
US5276394A (en) 1992-06-26 1994-01-04 Radian Research, Inc. Compensated transformers
US5875103A (en) * 1995-12-22 1999-02-23 Electronic Measurements, Inc. Full range soft-switching DC-DC converter

Also Published As

Publication number Publication date
WO2002023707A1 (en) 2002-03-21
US6963262B2 (en) 2005-11-08
EP1323228A1 (en) 2003-07-02
EP1323228A4 (en) 2008-03-05
US20040004524A1 (en) 2004-01-08

Similar Documents

Publication Publication Date Title
AU2001234846A1 (en) Integrated resuscitation
AU2001287898A1 (en) Pyrazolopyridines and pyrazolopyridazines as antidiabetics
AU2002225954A1 (en) Dipeptidylpeptidases and methods of use
AU2001244355A1 (en) Heterobiarylsulphonamides and their use as pde 7 inhibitors
AU2001281140A1 (en) Anti-plasmodium compositions and methods of use
AU2002361060A1 (en) Use of apple core extracts in cosmetic or pharmaceutical compositions
AU2001271031A1 (en) Cosmetic compositions for reducing and method of using the same
AU2001258381A1 (en) Use of parp inhibitors in cosmetic preparations
AU2002215863A1 (en) Capacitor
AU2001292936A1 (en) Octahydro-indolizines and quinolizines and hexahydro-pyrrolizines
EP1197760A3 (en) Suppression of the effect of residual magnetization in MRI
AU2001295185A1 (en) Multiplexing-interleaving and demultiplexing-deinterleaving
AU2001293270A1 (en) Reduction of capacitance effects in potential transformers
AU2002223544A1 (en) Distribution of content
AU2001264863A1 (en) Preparation of fagopyritols and uses therefor
AU2001236755A1 (en) Structures and methods for improved capacitor cells
AU2002220830A1 (en) Metal-chelating adsorbents and their use
AU2001261496A1 (en) Luxo-sigma54 interactions and methods of use
AU2297201A (en) Uses of antileukoprotease in carcinoma
AU2000243264A1 (en) Human nim1 kinase
AU2001252159A1 (en) Electronic transformer
AU2001258330A1 (en) New uses of imidazolylmethyl-pyridines
HK1054306A1 (en) Application of cosmetics
AU2001269267A1 (en) Kerb
AU2001281470A1 (en) Capacitor and manufacturing method of capacitor