JPH0230892U - - Google Patents

Info

Publication number
JPH0230892U
JPH0230892U JP10874688U JP10874688U JPH0230892U JP H0230892 U JPH0230892 U JP H0230892U JP 10874688 U JP10874688 U JP 10874688U JP 10874688 U JP10874688 U JP 10874688U JP H0230892 U JPH0230892 U JP H0230892U
Authority
JP
Japan
Prior art keywords
voltage
arc furnace
fluctuation amount
control device
movable electrode
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.)
Pending
Application number
JP10874688U
Other languages
English (en)
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 filed Critical
Priority to JP10874688U priority Critical patent/JPH0230892U/ja
Publication of JPH0230892U publication Critical patent/JPH0230892U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Voltage And Current In General (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Description

【図面の簡単な説明】
第１図及び第２図は本考案に係わる直流アーク
炉の電圧制御装置の一実施例を説明するための図
であつて、第１図は全体構成図、第２図は作用を
説明するための図、第３図は従来技術を説明する
ための図である。 １…直流アーク炉本体、２…炉底電極、３…炉
蓋、５…可動電極、６…スクラツプ、７…昇降装
置、１４…炉用変圧器、１５…送電系統、１６…
サイリスタ変換器、１７…リアクトル、１８…電
圧検出器、１９…加算器、２０…電圧設定器、２
１…調節部、２２…電流検出器、２３…加算器、
２４…電流設定器、２５…ゲート制御部、３０…
設定電圧変更部、３１…変成器、３２…変動量検
出部、３３…判定部、３４…変更値選択部、３５
…乗算部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 交流電圧を変圧器を通して交直変換器で直流電
    圧に変換して直流アーク炉の可動電極に供給し、
    これとともに前記直流電圧と設定電圧との電圧偏
    差に応じて前記可動電極を昇降制御する直流アー
    ク炉の電圧制御装置において、前記交流電圧の電
    圧変動量を検出しこの電圧変動量に応じて前記設
    定電圧を可変設定する設定電圧変更部を備えたこ
    とを特徴とする直流アーク炉の電圧制御装置。
JP10874688U 1988-08-19 1988-08-19 Pending JPH0230892U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10874688U JPH0230892U (ja) 1988-08-19 1988-08-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10874688U JPH0230892U (ja) 1988-08-19 1988-08-19

Publications (1)

Publication Number Publication Date
JPH0230892U true JPH0230892U (ja) 1990-02-27

Family

ID=31344370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10874688U Pending JPH0230892U (ja) 1988-08-19 1988-08-19

Country Status (1)

Country Link
JP (1) JPH0230892U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014052144A (ja) * 2012-09-07 2014-03-20 Toshiba Mitsubishi-Electric Industrial System Corp 電極昇降装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51145404A (en) * 1975-06-10 1976-12-14 Daido Steel Co Ltd A control apparatus for electro-slag remelting furnaces

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51145404A (en) * 1975-06-10 1976-12-14 Daido Steel Co Ltd A control apparatus for electro-slag remelting furnaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014052144A (ja) * 2012-09-07 2014-03-20 Toshiba Mitsubishi-Electric Industrial System Corp 電極昇降装置

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