NZ305974A - Reducing magnetic field around multiphase power line: transformer-coupled compensation device added to loop formed by splitting one phase line into two branches - Google Patents

Reducing magnetic field around multiphase power line: transformer-coupled compensation device added to loop formed by splitting one phase line into two branches

Info

Publication number
NZ305974A
NZ305974A NZ305974A NZ30597496A NZ305974A NZ 305974 A NZ305974 A NZ 305974A NZ 305974 A NZ305974 A NZ 305974A NZ 30597496 A NZ30597496 A NZ 30597496A NZ 305974 A NZ305974 A NZ 305974A
Authority
NZ
New Zealand
Prior art keywords
circuitry
compensation device
transformer
closed loop
phase
Prior art date
Application number
NZ305974A
Other languages
English (en)
Inventor
Jan-Olov Sjodin
Original Assignee
Vattenfall Ab Publ
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 Vattenfall Ab Publ filed Critical Vattenfall Ab Publ
Publication of NZ305974A publication Critical patent/NZ305974A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers

Landscapes

  • Power Conversion In General (AREA)
  • Control Of Electrical Variables (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Magnetic Treatment Devices (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters And Equalizers (AREA)
  • Ac-Ac Conversion (AREA)
  • Inverter Devices (AREA)
NZ305974A 1995-04-21 1996-04-17 Reducing magnetic field around multiphase power line: transformer-coupled compensation device added to loop formed by splitting one phase line into two branches NZ305974A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9501473A SE507231C2 (sv) 1995-04-21 1995-04-21 Kopplingsanordning för reduktion av magnetfält kring flerfasiga kraftledningar
PCT/SE1996/000493 WO1996033541A1 (en) 1995-04-21 1996-04-17 Circuitry for reduction of the magnetic field in the vicinity of multiphase power lines

Publications (1)

Publication Number Publication Date
NZ305974A true NZ305974A (en) 1997-11-24

Family

ID=20398032

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ305974A NZ305974A (en) 1995-04-21 1996-04-17 Reducing magnetic field around multiphase power line: transformer-coupled compensation device added to loop formed by splitting one phase line into two branches

Country Status (9)

Country Link
US (1) US5777401A ( )
JP (1) JPH10502520A ( )
AU (1) AU692385B2 ( )
CA (1) CA2192174A1 ( )
DE (1) DE19680397C2 ( )
GB (1) GB2303260B ( )
NZ (1) NZ305974A ( )
SE (1) SE507231C2 ( )
WO (1) WO1996033541A1 ( )

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19645001A1 (de) * 1996-10-30 1998-05-07 Abb Research Ltd Freileitung zur Elektroenergieübertragung
DE19645002A1 (de) * 1996-10-30 1998-05-07 Abb Research Ltd Freileitung zur Elektroenergieübertragung
DE19701729A1 (de) * 1997-01-20 1998-07-23 Abb Research Ltd Drehstrom-Freileitung zur Elektroenergieübertragung mit mindestens einem gesplitteten Phasenleiter
DE19746593A1 (de) * 1997-10-22 1999-04-29 Abb Research Ltd Freileitung mit Kompensationsschleifen
DE19831178A1 (de) * 1998-07-11 2000-01-13 Abb Research Ltd Drehstrom-Freileitung mit mindestens einer Kompensationsschleife
DE19937661A1 (de) * 1999-12-10 2001-02-22 Nkt Cables Gmbh Schaltungsanordnung für ein Drehstromübertragungssystem
EP1076394A3 (de) * 1999-08-10 2003-06-18 NKT Cables GmbH Schaltungsanordnung für ein Drehstromübertragungssystem
CA2632414A1 (en) 2005-12-07 2007-06-14 Siemens Aktiengesellschaft Electrical energy transmission device
EP2561591B1 (en) * 2010-04-23 2014-06-11 Prysmian S.p.A. Shielding of high voltage cables
RU2690518C1 (ru) * 2018-07-11 2019-06-04 Дмитрий Иванович Панфилов Управляемое устройство продольной компенсации для линий электропередачи

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1872575A (en) * 1931-03-14 1932-08-16 Halperin Herman Transformer
US2075965A (en) * 1936-04-25 1937-04-06 Western Electric Co Shielding system
US2280950A (en) * 1941-05-13 1942-04-28 Westinghouse Electric & Mfg Co Pilot wire system with means for neutralizing induced voltages
AT293483B (de) * 1968-11-07 1971-10-11 Baum Elektrophysik Gmbh Schaltungsanordnung zur Verminderung der zwischen der Seele eines durch Starkstromkreise gestörten Fernmeldekabels und dessen Mantel liegenden Spannungsdifferenz
US3963975A (en) * 1975-03-05 1976-06-15 General Electric Company Electromagnetically shielded electrical power supply with reduced common mode electromagnetic interference output
US5218507A (en) * 1990-09-06 1993-06-08 Ashley James R Overhead three-phase power line eliminating fringing electric and magnetic fields
US5515230A (en) * 1990-09-06 1996-05-07 Ashley; James R. Poly-phase coaxial power line efficiency enhancements
US5175442A (en) * 1990-10-05 1992-12-29 Ashley James R Six-phase power line geometry for reduced electric and magnetic fields
US5068543A (en) * 1990-11-14 1991-11-26 General Atomics Low hazard extremely low frequency power transmission line
SE501657C2 (sv) * 1994-01-31 1995-04-10 Vattenfall Ab Förfarande för åstadkommande av låga magnetfält från trefasiga elektriska ledningsarrangemang, samt arrangemang och användning
US5536978A (en) * 1994-11-01 1996-07-16 Electric Power Research Institute, Inc. Net current control device
US5616969A (en) * 1995-07-11 1997-04-01 Morava; Irena Power distribution system having substantially zero electromagnetic field radiation

Also Published As

Publication number Publication date
CA2192174A1 (en) 1996-10-24
SE9501473L (sv) 1996-10-22
AU692385B2 (en) 1998-06-04
US5777401A (en) 1998-07-07
GB9623907D0 (en) 1997-01-08
AU5411696A (en) 1996-11-07
GB2303260B (en) 1999-10-20
SE507231C2 (sv) 1998-04-27
SE9501473D0 (sv) 1995-04-21
DE19680397C2 (de) 1998-08-06
JPH10502520A (ja) 1998-03-03
GB2303260A (en) 1997-02-12
DE19680397T1 (de) 1997-06-19
WO1996033541A1 (en) 1996-10-24

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