IT1179805B - Sistema di controllo per forni ad arco in corrente continua - Google Patents

Sistema di controllo per forni ad arco in corrente continua

Info

Publication number
IT1179805B
IT1179805B IT6808084A IT6808084A IT1179805B IT 1179805 B IT1179805 B IT 1179805B IT 6808084 A IT6808084 A IT 6808084A IT 6808084 A IT6808084 A IT 6808084A IT 1179805 B IT1179805 B IT 1179805B
Authority
IT
Italy
Prior art keywords
control system
current arc
arc ovens
ovens
current
Prior art date
Application number
IT6808084A
Other languages
English (en)
Other versions
IT8468080A1 (it
IT8468080A0 (it
Inventor
Kjell Bergman
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Publication of IT8468080A0 publication Critical patent/IT8468080A0/it
Publication of IT8468080A1 publication Critical patent/IT8468080A1/it
Application granted granted Critical
Publication of IT1179805B publication Critical patent/IT1179805B/it

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
    • H05B7/02—Details
    • H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • H05B7/148—Automatic control of power
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Discharge Heating (AREA)
  • Furnace Details (AREA)
IT6808084A 1983-10-31 1984-10-30 Sistema di controllo per forni ad arco in corrente continua IT1179805B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8305966A SE452840B (sv) 1983-10-31 1983-10-31 Reglersystem for likstroms-ljusbagsugnar

Publications (3)

Publication Number Publication Date
IT8468080A0 IT8468080A0 (it) 1984-10-30
IT8468080A1 IT8468080A1 (it) 1986-04-30
IT1179805B true IT1179805B (it) 1987-09-16

Family

ID=20353118

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6808084A IT1179805B (it) 1983-10-31 1984-10-30 Sistema di controllo per forni ad arco in corrente continua

Country Status (6)

Country Link
US (1) US4607373A (it)
JP (1) JPS60112289A (it)
DE (1) DE3439097A1 (it)
GB (1) GB2150718B (it)
IT (1) IT1179805B (it)
SE (1) SE452840B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2577702B1 (fr) * 1985-02-21 1987-04-17 Jeumont Schneider Dispositif de regulation d'un four a arc a courant continu
JPS61271004A (ja) * 1985-05-27 1986-12-01 Agency Of Ind Science & Technol 選択透過膜
JPH01232693A (ja) * 1988-03-11 1989-09-18 Nkk Corp アーク炉の電極高さ自動調整方法
JP2683374B2 (ja) * 1988-08-26 1997-11-26 日本鋼管株式会社 直流アーク炉のアーク切れ防止方法
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
US5155740A (en) * 1990-10-22 1992-10-13 Nkk Corporation Flicker compensating apparatus for DC arc furnace
CA2060006A1 (en) * 1991-02-08 1992-08-09 Eduard Strebel Process for electrode control of a dc arc furnace, and an electrode control device
US5204872A (en) * 1991-04-15 1993-04-20 Milltech-Hoh, Inc. Control system for electric arc furnace
DE4309640A1 (de) * 1993-03-25 1994-09-29 Abb Management Ag Gleichstrom-Lichtbogenofenanlage
JP3424259B2 (ja) * 1993-04-15 2003-07-07 石川島播磨重工業株式会社 直流アーク炉
DE4344854A1 (de) * 1993-12-29 1995-07-06 Abb Management Ag Verfahren zur Elektrodenregelung eines Gleichstrom-Lichtbogenofens und Elektrodenregeleinrichtung
US6411643B1 (en) 1999-09-30 2002-06-25 Sms Demag, Inc Automatic electrode regulator based on direct power factor regulation and method
FR2825566B1 (fr) * 2001-06-01 2003-07-18 Ansaldo Loire Automation Regulation four a arc continu

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096344A (en) * 1976-09-30 1978-06-20 Westinghouse Electric Corp. Electric arc furnace control system
US4099254A (en) * 1976-10-04 1978-07-04 International Business Machines Corporation Method and apparatus for electronic collation
GB2001461B (en) * 1977-07-21 1982-01-13 Leybold Heraeus Gmbh & Co Kg Arrangement for controlling the depth of immersion of self-consuming electrodes in electro-slag remelting furnaces
FR2462079A1 (fr) * 1979-07-19 1981-02-06 Cem Comp Electro Mec Procede et dispositif de regulation d'arc sur les fours a arc
DE3123297A1 (de) * 1981-06-12 1983-01-05 Brown, Boveri & Cie Ag, 6800 Mannheim Regeleinrichtung fuer einen gleichstrom-lichtbogenofen
US4461010A (en) * 1982-07-29 1984-07-17 Electro-Petroleum, Inc. Power supply circuit for a direct current arc furnace

Also Published As

Publication number Publication date
GB2150718B (en) 1987-05-07
GB8427441D0 (en) 1984-12-05
SE8305966D0 (sv) 1983-10-31
US4607373A (en) 1986-08-19
IT8468080A1 (it) 1986-04-30
JPS60112289A (ja) 1985-06-18
IT8468080A0 (it) 1984-10-30
SE8305966L (sv) 1985-05-01
GB2150718A (en) 1985-07-03
SE452840B (sv) 1987-12-14
DE3439097A1 (de) 1985-05-09

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