ATE383061T1 - Intelligente vorausschauende leistungsregelung für einen lichtbogenofen - Google Patents

Intelligente vorausschauende leistungsregelung für einen lichtbogenofen

Info

Publication number
ATE383061T1
ATE383061T1 AT99300804T AT99300804T ATE383061T1 AT E383061 T1 ATE383061 T1 AT E383061T1 AT 99300804 T AT99300804 T AT 99300804T AT 99300804 T AT99300804 T AT 99300804T AT E383061 T1 ATE383061 T1 AT E383061T1
Authority
AT
Austria
Prior art keywords
electrode
arc furnace
voltage
switches
electric arc
Prior art date
Application number
AT99300804T
Other languages
English (en)
Inventor
Hassan Ali Kojori
Original Assignee
Hatch 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 Hatch Ltd filed Critical Hatch Ltd
Application granted granted Critical
Publication of ATE383061T1 publication Critical patent/ATE383061T1/de

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1807—Arrangements for adjusting, eliminating or compensating reactive power in networks using series compensators
    • 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
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
    • 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
    • H05B7/005—Electrical diagrams
    • 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
    • C21C2005/5288—Measuring or sampling devices
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/06—Modeling of the process, e.g. for control purposes; CII
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30—Reactive power compensation
    • 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
    • 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
    • Y02P10/32—Technologies related to metal processing using renewable energy sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
AT99300804T 1995-10-26 1999-02-03 Intelligente vorausschauende leistungsregelung für einen lichtbogenofen ATE383061T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/548,683 US5991327A (en) 1995-10-26 1995-10-26 Smart predictive line controller for AC and DC electric arc furnaces
CA002260516A CA2260516C (en) 1995-10-26 1999-01-28 Smart predictive line controller for ac and dc electric arc furnaces
EP99300804A EP1026921B1 (de) 1995-10-26 1999-02-03 Intelligente vorausschauende Leistungsregelung für einen Lichtbogenofen
JP03505599A JP4562216B2 (ja) 1995-10-26 1999-02-12 アーク電気炉用の予測式ラインコントローラ

Publications (1)

Publication Number Publication Date
ATE383061T1 true ATE383061T1 (de) 2008-01-15

Family

ID=64362267

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99300804T ATE383061T1 (de) 1995-10-26 1999-02-03 Intelligente vorausschauende leistungsregelung für einen lichtbogenofen

Country Status (6)

Country Link
US (1) US5991327A (de)
EP (1) EP1026921B1 (de)
JP (1) JP4562216B2 (de)
AT (1) ATE383061T1 (de)
CA (1) CA2260516C (de)
DE (1) DE69937873T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6603795B2 (en) 2001-02-08 2003-08-05 Hatch Associates Ltd. Power control system for AC electric arc furnace
JP4118531B2 (ja) * 2001-05-10 2008-07-16 株式会社東芝 電力調整装置
US6573691B2 (en) 2001-10-17 2003-06-03 Hatch Associates Ltd. Control system and method for voltage stabilization in electric power system
US6584137B1 (en) * 2002-07-22 2003-06-24 Nucor Corporation Method for making steel with electric arc furnace
US20050154611A1 (en) * 2004-01-13 2005-07-14 Sgl Carbon, Ag Product support method for industrial processes
WO2006024149A1 (en) * 2004-09-01 2006-03-09 Hatch Ltd. System and method for minimizing loss of electrical conduction during input of feed material to a furnace
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
DE102006044837A1 (de) * 2006-09-22 2008-04-03 Siemens Ag Vorrichtung zur Steuerung einer Lichtbogenofenanlage
US7834637B2 (en) * 2007-09-21 2010-11-16 Honeywell International Inc. Method and apparatus for generalized AC and DC arc fault detection and protection
US20120314728A1 (en) * 2011-06-08 2012-12-13 Warner Power Llc System and method to deliver and control power to an arc furnace
US9184584B2 (en) * 2011-12-29 2015-11-10 General Electric Company Device and system for reducing overvoltage damange
DE102012217232A1 (de) * 2012-09-25 2014-03-27 Siemens Aktiengesellschaft Flickerreduktion bei Elektrolichtbogenöfen durch Flickervorhersage aus der Zustandsbestimmung in der Anfangsphase des Schmelzprozesses
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
DE102014213744A1 (de) * 2014-07-15 2016-01-21 Primetals Technologies Germany Gmbh Elektrischer Lichtbogenofen mit einer Sicherheitsvorrichtung und Verfahren zur Sicherung von Peripheriegeräten an elektrischen Lichtbogenöfen
EP3303959B1 (de) * 2015-06-05 2020-10-14 Hatch Ltd. Flickersteuerung für elektrischen bogenofen
WO2019084674A1 (en) 2017-10-31 2019-05-09 Hatch Ltd. Line control circuit configuration
CN110260648B (zh) * 2019-06-20 2020-08-25 天恩璐(大连)智能船舶装备有限公司 一种基于dsp的智能电弧炉稳弧控制系统
CN113219330B (zh) * 2021-05-26 2022-08-16 广西电网有限责任公司电力科学研究院 一种隔离开关状态检测方法及系统
EP4110015A1 (de) 2021-06-22 2022-12-28 Primetals Technologies Germany GmbH Betriebsverfahren für einen lichtbogenofen
EP4224992A1 (de) 2022-02-07 2023-08-09 Primetals Technologies Germany GmbH Betriebsverfahren für einen lichtbogenofen
EP4227624A1 (de) 2022-02-15 2023-08-16 Primetals Technologies Germany GmbH Betriebsverfahren für einen lichtbogenofen
EP4227625A1 (de) 2022-02-15 2023-08-16 Primetals Technologies Germany GmbH Betriebsverfahren für einen lichtbogenofen

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DE2250711C3 (de) * 1972-10-16 1978-06-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Steuerbare Stromversorgungsanlage für einen Lichtbogen-Schmelzofen
US3936727A (en) * 1973-10-12 1976-02-03 General Electric Company High speed control of reactive power for voltage stabilization in electric power systems
US3989999A (en) * 1974-12-23 1976-11-02 Westinghouse Electric Corporation Load saving over current apparatus for shutdown in a reactive power generator
JPH0625949B2 (ja) * 1985-09-10 1994-04-06 株式会社東芝 無効電力補償装置
JPH0625951B2 (ja) * 1985-09-10 1994-04-06 株式会社東芝 無効電力補償装置
AU573101B2 (en) * 1985-09-10 1988-05-26 Toshiba, Kabushiki Kaisha Reactive power compensation apparatus
JPH02278317A (ja) * 1989-04-19 1990-11-14 Nkk Corp 直流アーク炉のフリッカ補償装置
JPH0624894Y2 (ja) * 1989-08-23 1994-06-29 大同特殊鋼株式会社 アーク炉のフリッカ抑制回路
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US5155740A (en) * 1990-10-22 1992-10-13 Nkk Corporation Flicker compensating apparatus for DC arc furnace
DE69022854T2 (de) * 1990-10-31 1996-05-02 Nippon Kokan Kk Einrichtung zur Flimmerkompensation für einen Gleichstromlichtbogenofen.
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JPH10294174A (ja) * 1997-04-21 1998-11-04 Mitsubishi Electric Corp 電源制御装置

Also Published As

Publication number Publication date
EP1026921A1 (de) 2000-08-09
EP1026921B1 (de) 2008-01-02
DE69937873D1 (de) 2008-02-14
JP4562216B2 (ja) 2010-10-13
US5991327A (en) 1999-11-23
JP2000234875A (ja) 2000-08-29
CA2260516C (en) 2008-04-01
DE69937873T2 (de) 2008-11-13
CA2260516A1 (en) 2000-07-28

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Legal Events

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