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BR9006066A - Metodo para alimentar com corrente controlada um forno eletrico a arco direto e forno eletrico a arco direto - Google Patents

Metodo para alimentar com corrente controlada um forno eletrico a arco direto e forno eletrico a arco direto

Info

Publication number
BR9006066A
BR9006066A BR909006066A BR9006066A BR9006066A BR 9006066 A BR9006066 A BR 9006066A BR 909006066 A BR909006066 A BR 909006066A BR 9006066 A BR9006066 A BR 9006066A BR 9006066 A BR9006066 A BR 9006066A
Authority
BR
Brazil
Prior art keywords
oven
direct arc
feeding
power supply
current power
Prior art date
Application number
BR909006066A
Other languages
English (en)
Inventor
Gianni Gensini
Luciano Morello
Giovanni Coassin
Riccardo Fragiacomo
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
Priority claimed from IT08352089A external-priority patent/IT1236363B/it
Application filed by Danieli Off Mecc filed Critical Danieli Off Mecc
Publication of BR9006066A publication Critical patent/BR9006066A/pt

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)
BR909006066A 1989-11-30 1990-11-29 Metodo para alimentar com corrente controlada um forno eletrico a arco direto e forno eletrico a arco direto BR9006066A (pt)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
BR9006066A true BR9006066A (pt) 1991-09-24

Family

ID=26125444

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (4)

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

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
US7496275B2 (en) * 2000-03-14 2009-02-24 Thomson Licensing System and method for providing recording function when no program information is available
RU2725489C2 (ru) 2015-06-05 2020-07-02 Хэтч Лтд. Подавление фликера на электродуговой печи
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
CA2030686C (en) 1999-10-05
AU6696590A (en) 1991-06-06
CN1290118A (zh) 2001-04-04
CN1052585A (zh) 1991-06-26
AU641195B2 (en) 1993-09-16
CN1057658C (zh) 2000-10-18
CA2030686A1 (en) 1991-05-31

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 29/11/2010