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IT1236363B - Forno elettrico ad arco diretto a corrente controllata e procedimento di alimentazione a corrente controllata di un forno ad arco diretto - Google Patents

Forno elettrico ad arco diretto a corrente controllata e procedimento di alimentazione a corrente controllata di un forno ad arco diretto

Info

Publication number
IT1236363B
IT1236363B IT08352089A IT8352089A IT1236363B IT 1236363 B IT1236363 B IT 1236363B IT 08352089 A IT08352089 A IT 08352089A IT 8352089 A IT8352089 A IT 8352089A IT 1236363 B IT1236363 B IT 1236363B
Authority
IT
Italy
Prior art keywords
arc
direct
oven
supply procedure
current supply
Prior art date
Application number
IT08352089A
Other languages
English (en)
Other versions
IT8983520A1 (it
IT8983520A0 (it
Inventor
Gianni Gensini
Giovanni Coassin
Original Assignee
Danieli Off Mecc
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 Danieli Off Mecc filed Critical Danieli Off Mecc
Publication of IT8983520A0 publication Critical patent/IT8983520A0/it
Priority to IT08352089A priority Critical patent/IT1236363B/it
Priority to EP90116833A priority patent/EP0429774A1/en
Priority to TW079109426A priority patent/TW203160B/zh
Priority to ZA909055A priority patent/ZA909055B/xx
Priority to US07/612,981 priority patent/US5239554A/en
Priority to CA002030686A priority patent/CA2030686C/en
Priority to AU66965/90A priority patent/AU641195B2/en
Priority to JP2326203A priority patent/JPH04177085A/ja
Priority to CN90109552A priority patent/CN1057658C/zh
Priority to BR909006066A priority patent/BR9006066A/pt
Publication of IT8983520A1 publication Critical patent/IT8983520A1/it
Application granted granted Critical
Publication of IT1236363B publication Critical patent/IT1236363B/it
Priority to CN00101646A priority patent/CN1290118A/zh

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
    • H05B7/156—Automatic control of power by hydraulic or pneumatic means for positioning of electrodes
    • 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)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
IT08352089A 1989-11-30 1989-11-30 Forno elettrico ad arco diretto a corrente controllata e procedimento di alimentazione a corrente controllata di un forno ad arco diretto IT1236363B (it)

Priority Applications (11)

Application Number Priority Date Filing Date Title
IT08352089A IT1236363B (it) 1989-11-30 1989-11-30 Forno elettrico ad arco diretto a corrente controllata e procedimento di alimentazione a corrente controllata di un forno ad arco diretto
EP90116833A EP0429774A1 (en) 1989-11-30 1990-09-03 Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
TW079109426A TW203160B (it) 1989-11-30 1990-11-08
ZA909055A ZA909055B (en) 1989-11-30 1990-11-12 Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
US07/612,981 US5239554A (en) 1989-11-30 1990-11-15 Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
CA002030686A CA2030686C (en) 1989-11-30 1990-11-23 Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
AU66965/90A AU641195B2 (en) 1989-11-30 1990-11-26 Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
JP2326203A JPH04177085A (ja) 1989-11-30 1990-11-29 制御された電流を供給される直接アーク電気炉及び直接アーク炉に制御された電流を供給する方法
CN90109552A CN1057658C (zh) 1989-11-30 1990-11-29 由可控电流馈电的直接电弧炉及对直接电弧炉供给可控电流的方法
BR909006066A BR9006066A (pt) 1989-11-30 1990-11-29 Metodo para alimentar com corrente controlada um forno eletrico a arco direto e forno eletrico a arco direto
CN00101646A CN1290118A (zh) 1989-11-30 2000-01-25 由可控电流供电的直接电弧炉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT08352089A IT1236363B (it) 1989-11-30 1989-11-30 Forno elettrico ad arco diretto a corrente controllata e procedimento di alimentazione a corrente controllata di un forno ad arco diretto

Publications (3)

Publication Number Publication Date
IT8983520A0 IT8983520A0 (it) 1989-11-30
IT8983520A1 IT8983520A1 (it) 1991-05-30
IT1236363B true IT1236363B (it) 1993-02-25

Family

ID=11322799

Family Applications (1)

Application Number Title Priority Date Filing Date
IT08352089A IT1236363B (it) 1989-11-30 1989-11-30 Forno elettrico ad arco diretto a corrente controllata e procedimento di alimentazione a corrente controllata di un forno ad arco diretto

Country Status (6)

Country Link
US (1) US5239554A (it)
EP (1) EP0429774A1 (it)
JP (1) JPH04177085A (it)
IT (1) IT1236363B (it)
TW (1) TW203160B (it)
ZA (1) ZA909055B (it)

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US5991327A (en) * 1995-10-26 1999-11-23 Inverpower Controls Ltd. Smart predictive line controller for AC and DC electric arc furnaces
ITUD980133A1 (it) * 1998-07-24 2000-01-24 Automation Spa Centro Dispositivo di alimentazione a corrente controllata per forno elettrico ad arco
AU757828B2 (en) * 1998-10-28 2003-03-06 Anglo Operations Limited DC arc furnace operation
DE19920049C2 (de) * 1999-04-23 2001-10-11 Sms Demag Ag Verfahren und Vorrichtung zur Stromversorgung eines über einen Lichtbogen betriebenen Schmelzaggregates
US6274851B1 (en) 1999-08-31 2001-08-14 Inverpower Controls Ltd. Electric arc furnace controller
US6411643B1 (en) 1999-09-30 2002-06-25 Sms Demag, Inc Automatic electrode regulator based on direct power factor regulation and method
US6603795B2 (en) * 2001-02-08 2003-08-05 Hatch Associates Ltd. Power control system for AC electric arc furnace
US6573691B2 (en) 2001-10-17 2003-06-03 Hatch Associates Ltd. Control system and method for voltage stabilization in electric power system
US7295593B2 (en) * 2004-09-01 2007-11-13 Hatch Ltd. System and method of minimizing loss of electrical conduction during input of feed material to a furnace
US20060186585A1 (en) 2005-02-22 2006-08-24 Afshin Sadri Systems, methods and apparatus for non-disruptive and non-destructive inspection of metallurgical furnaces and similar vessels
DE102005038702A1 (de) 2005-08-15 2007-02-22 Sms Demag Ag Elektronischer Schaltkreis und Verfahren zum Einspeisen von elektrischer Energie in einen Wechselstrom-Elektroofen
US20080056327A1 (en) * 2006-08-30 2008-03-06 Hatch Ltd. Method and system for predictive electrode lowering in a furnace
DE102006050624A1 (de) 2006-10-26 2008-04-30 Siemens Ag Reaktanzvorschalteinrichtung
US7706157B2 (en) * 2007-12-05 2010-04-27 General Electric Company Systems and methods involving balancing currents for thyristors
US7916508B2 (en) * 2007-12-05 2011-03-29 General Electric Company Systems and methods involving thyristors
JPWO2011055650A1 (ja) * 2009-11-06 2013-03-28 三菱化学株式会社 シリコンの製造方法及び製造装置
RU2448165C2 (ru) * 2009-11-26 2012-04-20 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н.Ельцина" (ФГАОУ ВПО "УрФУ имени первого Президента России Б.Н.Ельцина") Регулятор мощности дуговой сталеплавильной печи
WO2011128730A1 (en) * 2010-04-15 2011-10-20 Hendrik Willem Greyling Dynamic var compensation system and method for ac furnace
US20120314728A1 (en) * 2011-06-08 2012-12-13 Warner Power Llc System and method to deliver and control power to an arc furnace
CN105205192B (zh) * 2014-06-19 2019-02-12 国网山西省电力公司电力科学研究院 一种三相交流电弧炉自适应建模装置及其仿真算法
CN104486859B (zh) * 2014-12-19 2016-02-03 成都高威节能科技有限公司 矿热炉电极做功点自动跟踪熔池液面轨迹的方法
ITUB20152674A1 (it) 2015-07-30 2017-01-30 Danieli Automation Spa Apparato e metodo di alimentazione elettrica di un forno elettrico ad arco
EP3758446A1 (en) * 2019-06-27 2020-12-30 ABB Schweiz AG Arc furnace power supply with converter circuit
EP3758211A1 (en) * 2019-06-27 2020-12-30 ABB Schweiz AG Arc furnace power supply with resonant circuit
RU2758063C1 (ru) * 2019-12-24 2021-10-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Магнитогорский государственный технический университет им. Г.И. Носова" (ФГБОУ ВО "МГТУ им. Г.И. Носова") Система управления для дуговой сталеплавильной печи

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DE22117C (de) * O. LAMPE in Hamburg Neuerungen an Hufeisen
US2632862A (en) * 1950-05-02 1953-03-24 Westinghouse Electric Corp Regulating system
US3650311A (en) * 1969-05-14 1972-03-21 Sandel Ind Inc Method for homogeneous refining and continuously casting metals and alloys
US3617595A (en) * 1970-09-17 1971-11-02 Lake Ontario Steel Co Ltd Electric furnace control
DE2238006C3 (de) * 1972-07-28 1982-04-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Regeleinrichtung für die Elektrodenregelung von Lichtbogenöfen
FR2266347B1 (it) * 1974-03-27 1982-07-02 Siemens Ag
JPS5414745B2 (it) * 1974-05-02 1979-06-09
FR2457029A1 (fr) * 1979-05-18 1980-12-12 Jeumont Schneider Circuit de commande d'un compensateur statique a thyristors de la puissance reactive due a une charge perturbatrice
US4461010A (en) * 1982-07-29 1984-07-17 Electro-Petroleum, Inc. Power supply circuit for a direct current arc furnace
DE3242934A1 (de) * 1982-11-20 1984-05-24 Mannesmann Rexroth GmbH, 8770 Lohr Regeleinrichtung fuer die hoehenverstellung der elektrode eines lichtbogenofens
IT1175070B (it) * 1983-03-10 1987-07-01 Ferriere Nord Spa Procedimento per il controllo del tipo d'arco in un forno elettrico e forno ad arco adottante tale procedimento
SE452840B (sv) * 1983-10-31 1987-12-14 Asea Ab Reglersystem for likstroms-ljusbagsugnar
JPS60138384A (ja) * 1983-12-23 1985-07-23 大同特殊鋼株式会社 ア−ク炉の制御方法
DE3508323A1 (de) * 1984-03-09 1985-09-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur speisung einer oder mehrerer elektroden eines ein- oder mehrphasigen elektrothermischen ofens
DE3512177C2 (de) * 1985-04-03 1997-01-16 Mannesmann Ag Verfahren zur Symmetrierung elektrischer Größen in Drehstrom-Lichtbogenöfen und Vorrichtung zur Durchführung des Verfahrens
JPS643891A (en) * 1987-06-24 1989-01-09 Hitachi Ltd Semiconductor storage device
DE3733077A1 (de) * 1987-09-30 1989-04-13 Siemens Ag Wechselstrom-lichtbogenofen
US4991941A (en) * 1988-06-13 1991-02-12 Kaiser Aerospace & Electronics Corporation Method and apparatus for multi-color display
JPH0232693A (ja) * 1988-07-22 1990-02-02 Hitachi Ltd デジタルコンバーゼンス補正装置

Also Published As

Publication number Publication date
IT8983520A1 (it) 1991-05-30
JPH04177085A (ja) 1992-06-24
IT8983520A0 (it) 1989-11-30
ZA909055B (en) 1991-09-25
EP0429774A1 (en) 1991-06-05
TW203160B (it) 1993-04-01
US5239554A (en) 1993-08-24

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971126