GB545777A - Improvements relating to electric arc furnaces - Google Patents

Improvements relating to electric arc furnaces

Info

Publication number
GB545777A
GB545777A GB9195/40A GB919540A GB545777A GB 545777 A GB545777 A GB 545777A GB 9195/40 A GB9195/40 A GB 9195/40A GB 919540 A GB919540 A GB 919540A GB 545777 A GB545777 A GB 545777A
Authority
GB
United Kingdom
Prior art keywords
transformer
furnace
arc furnaces
electric arc
electrodes
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
Application number
GB9195/40A
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.)
JOHN ROLAND SPANSWICK
Electric Furnace Co
Original Assignee
JOHN ROLAND SPANSWICK
Electric Furnace Co
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 JOHN ROLAND SPANSWICK, Electric Furnace Co filed Critical JOHN ROLAND SPANSWICK
Priority to GB9195/40A priority Critical patent/GB545777A/en
Publication of GB545777A publication Critical patent/GB545777A/en
Expired 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
    • H05B7/152—Automatic control of power by electromechanical 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)
  • Discharge Heating (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

545,777. Automatic control systems for arc furnaces. ELECTRIC FURNACE CO., Ltd., SPANSWICK, J. R., and KING, S. G. May 24, 1940, No. 9195. [Class 38 (iv)] A voltage relay 11 controlling the adjustment of electrodes in an arc furnace 1 has a correcting voltage in proportion to furnace current injected by a transformer 26 so that the influence of the potential drop in the electrodes may be eliminated. The transformer primary may be connected across a conductor 10 or in series with the primary winding of a relay transformer 20, as at 31. The transformer 20 is adjusted by a mechanical connection 18 with the means 9 whereby the voltage applied to the furnace is determined. The switch 22 may be independently adjustable. The transformer 26 may have tappings to adjust the compensation.
GB9195/40A 1940-05-24 1940-05-24 Improvements relating to electric arc furnaces Expired GB545777A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9195/40A GB545777A (en) 1940-05-24 1940-05-24 Improvements relating to electric arc furnaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9195/40A GB545777A (en) 1940-05-24 1940-05-24 Improvements relating to electric arc furnaces

Publications (1)

Publication Number Publication Date
GB545777A true GB545777A (en) 1942-06-12

Family

ID=9867226

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9195/40A Expired GB545777A (en) 1940-05-24 1940-05-24 Improvements relating to electric arc furnaces

Country Status (1)

Country Link
GB (1) GB545777A (en)

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