CA2030686C - Four a arc electrique direct a alimentation par source de courant dependante et methode connexe - Google Patents

Four a arc electrique direct a alimentation par source de courant dependante et methode connexe

Info

Publication number
CA2030686C
CA2030686C CA002030686A CA2030686A CA2030686C CA 2030686 C CA2030686 C CA 2030686C CA 002030686 A CA002030686 A CA 002030686A CA 2030686 A CA2030686 A CA 2030686A CA 2030686 C CA2030686 C CA 2030686C
Authority
CA
Canada
Prior art keywords
furnace
arc
current
control assembly
inductor
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002030686A
Other languages
English (en)
Other versions
CA2030686A1 (fr
Inventor
Gianni Gensini
Luciano Morello
Giovanni Coassin
Riccardo Fragiacomo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danieli and C Officine Meccaniche SpA
Original Assignee
Danieli and C Officine Meccaniche SpA
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
Priority claimed from IT08352089A external-priority patent/IT1236363B/it
Application filed by Danieli and C Officine Meccaniche SpA filed Critical Danieli and C Officine Meccaniche SpA
Publication of CA2030686A1 publication Critical patent/CA2030686A1/fr
Application granted granted Critical
Publication of CA2030686C publication Critical patent/CA2030686C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Control Of Electrical Variables (AREA)
CA002030686A 1989-11-30 1990-11-23 Four a arc electrique direct a alimentation par source de courant dependante et methode connexe Expired - Fee Related CA2030686C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT83520A/89 1989-11-30
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
EP90116833.6 1990-09-03
EP90116833A EP0429774A1 (fr) 1989-11-30 1990-09-03 Four électrique à arc à courant continu alimenté par du courant commandé et procédé d'alimentation d'un four à arc à courant continu en courant commandé

Publications (2)

Publication Number Publication Date
CA2030686A1 CA2030686A1 (fr) 1991-05-31
CA2030686C true CA2030686C (fr) 1999-10-05

Family

ID=26125444

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002030686A Expired - Fee Related CA2030686C (fr) 1989-11-30 1990-11-23 Four a arc electrique direct a alimentation par source de courant dependante et methode connexe

Country Status (4)

Country Link
CN (2) CN1057658C (fr)
AU (1) AU641195B2 (fr)
BR (1) BR9006066A (fr)
CA (1) CA2030686C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE501025C2 (sv) * 1993-03-18 1994-10-24 Asea Brown Boveri Ugnsutrustning
JP4745584B2 (ja) * 2000-03-14 2011-08-10 トムソン ライセンシング プログラム情報が利用可能でないときに記録機能を提供するシステムおよび方法
CN107614996B (zh) * 2015-06-05 2019-06-14 哈奇有限公司 对电弧炉的闪变控制
CN105158540B (zh) * 2015-08-11 2018-04-24 南京师范大学 一种采用电弧电感修正系数的电弧电流估算方法
CN106931796B (zh) * 2017-03-14 2019-01-22 四方继保（武汉）软件有限公司 基于计算炉内电极有效负载电阻的矿热炉电极控制方法
IT201800004847A1 (it) * 2018-04-24 2019-10-24 Metodo di fusione in un forno elettrico ad arco e relativo apparato
CN109000481B (zh) * 2018-09-21 2023-07-25 大连重工机电设备成套有限公司 一种可变直流回路铁合金矿热炉
CN111864735B (zh) * 2020-07-22 2024-04-16 安徽交通职业技术学院 一种投切补偿系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632862A (en) * 1950-05-02 1953-03-24 Westinghouse Electric Corp Regulating system

Also Published As

Publication number Publication date
CN1057658C (zh) 2000-10-18
CA2030686A1 (fr) 1991-05-31
AU6696590A (en) 1991-06-06
CN1052585A (zh) 1991-06-26
AU641195B2 (en) 1993-09-16
CN1290118A (zh) 2001-04-04
BR9006066A (pt) 1991-09-24

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