NO20011627D0 - Drift av likeströms lysbueovn - Google Patents

Drift av likeströms lysbueovn

Info

Publication number
NO20011627D0
NO20011627D0 NO20011627A NO20011627A NO20011627D0 NO 20011627 D0 NO20011627 D0 NO 20011627D0 NO 20011627 A NO20011627 A NO 20011627A NO 20011627 A NO20011627 A NO 20011627A NO 20011627 D0 NO20011627 D0 NO 20011627D0
Authority
NO
Norway
Prior art keywords
direct current
arc furnace
current arc
furnace
direct
Prior art date
Application number
NO20011627A
Other languages
English (en)
Other versions
NO20011627L (no
Inventor
Jan Abraham Ferreira
Anthony Wayne Wewege
Original Assignee
Anglo Operations Ltd
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 Anglo Operations Ltd filed Critical Anglo Operations Ltd
Publication of NO20011627L publication Critical patent/NO20011627L/no
Publication of NO20011627D0 publication Critical patent/NO20011627D0/no

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Heating (AREA)
  • Furnace Details (AREA)
NO20011627A 1998-10-28 2001-03-30 Drift av likeströms lysbueovn NO20011627D0 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA989803 1998-10-28
PCT/ZA1999/000111 WO2000025553A1 (en) 1998-10-28 1999-10-28 Dc arc furnace operation

Publications (2)

Publication Number Publication Date
NO20011627L NO20011627L (no) 2001-03-30
NO20011627D0 true NO20011627D0 (no) 2001-03-30

Family

ID=25587360

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20011627A NO20011627D0 (no) 1998-10-28 2001-03-30 Drift av likeströms lysbueovn

Country Status (7)

Country Link
US (1) US6192065B1 (no)
AU (1) AU757828B2 (no)
BR (1) BR9914576A (no)
CA (1) CA2346139A1 (no)
FI (1) FI20010899A (no)
NO (1) NO20011627D0 (no)
WO (1) WO2000025553A1 (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101358609A (zh) * 2007-08-03 2009-02-04 富准精密工业(深圳)有限公司 风扇转子

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385920A (en) 1965-10-01 1968-05-28 Allegheny Ludlum Steel Control system for consumable electrode furnace
US3929456A (en) 1972-05-05 1975-12-30 Reynolds Metals Co Carbothermic production of aluminum
US3937869A (en) 1974-10-08 1976-02-10 Republic Steel Corporation Force sensing control apparatus and method for electric arc furnaces
US4063028A (en) 1976-06-14 1977-12-13 Longenecker Levi S Suspended roof for electric arc furnace
US4273949A (en) 1979-04-17 1981-06-16 Fried. Krupp Huttenwerke Aktiengesellschaft Arc furnace roof
SE452542B (sv) * 1983-04-21 1987-11-30 Asea Ab Likstroms-ljusbagsugn
US4677643A (en) 1984-03-09 1987-06-30 Licentia Patent-Verwaltungs-Gmbh Device for feeding one or a plurality of electrodes in an electrothermal furnace
US4881239A (en) 1987-07-14 1989-11-14 Leybold Aktiengesellschaft Fault detection during remelt of electrodes into blocks
IT1236363B (it) * 1989-11-30 1993-02-25 Danieli Off Mecc Forno elettrico ad arco diretto a corrente controllata e procedimento di alimentazione a corrente controllata di un forno ad arco diretto
US5009703A (en) 1990-08-13 1991-04-23 Dow Corning Corporation Silicon smelting process in direct current furnace
GB9018441D0 (en) 1990-08-22 1990-10-03 Tetronics Res & Dev Co Ltd Treatment of oxide containing dusts
CA2060006A1 (en) * 1991-02-08 1992-08-09 Eduard Strebel Process for electrode control of a dc arc furnace, and an electrode control device
DE4309640A1 (de) * 1993-03-25 1994-09-29 Abb Management Ag Gleichstrom-Lichtbogenofenanlage
FR2704710B1 (fr) * 1993-04-30 1995-06-23 Cegelec Metals Systems Dispositif convertisseur de puissance perfectionné pour l'alimentation en courant continu d'un four électrique à arc.
DE4343899A1 (de) * 1993-12-22 1995-06-29 Abb Management Ag Regelungsverfahren für einen Gleichstromlichtbogenofen
DE4344854A1 (de) * 1993-12-29 1995-07-06 Abb Management Ag Verfahren zur Elektrodenregelung eines Gleichstrom-Lichtbogenofens und Elektrodenregeleinrichtung
DE4436353C2 (de) * 1994-10-12 1997-02-06 Abb Management Ag Verfahren zur Stabilisierung eines Wechselstromnetzes gegen Blindlastschwankungen und Blindleistungskompensationseinrichtung
US5737355A (en) * 1995-09-21 1998-04-07 Sandia Corporation Directly induced swing for closed loop control of electroslag remelting furnace
EP0950164A1 (en) * 1996-12-10 1999-10-20 Namakwa Sands Limited Arc furnace protection

Also Published As

Publication number Publication date
AU757828B2 (en) 2003-03-06
WO2000025553A1 (en) 2000-05-04
BR9914576A (pt) 2001-07-03
US6192065B1 (en) 2001-02-20
CA2346139A1 (en) 2000-05-04
AU2059900A (en) 2000-05-15
FI20010899A (fi) 2001-04-30
NO20011627L (no) 2001-03-30

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application