JPH033700U - - Google Patents
Info
- Publication number
- JPH033700U JPH033700U JP1989063929U JP6392989U JPH033700U JP H033700 U JPH033700 U JP H033700U JP 1989063929 U JP1989063929 U JP 1989063929U JP 6392989 U JP6392989 U JP 6392989U JP H033700 U JPH033700 U JP H033700U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- output
- movable electrode
- rectifier
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
- Furnace Details (AREA)
- Discharge Heating (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Description
第１図は本考案の一実施例を示す構成図である
。
１……直流アーク炉、２……整流器用変圧器、
３……整流器、４……電圧検出回路、５……計器
用変圧器、６……割算器、７……直流電圧設定回
路、８……掛算器、９……タイマー、１０……電
極速度基準回路、１１……電極昇降モータ駆動装
置、１２……電極昇降モータ、１３……可動電極
。
FIG. 1 is a block diagram showing an embodiment of the present invention. 1... DC arc furnace, 2... Rectifier transformer,
3... Rectifier, 4... Voltage detection circuit, 5... Instrument transformer, 6... Divider, 7... DC voltage setting circuit, 8... Multiplier, 9... Timer, 10... Electrode Speed reference circuit, 11... Electrode lifting/lowering motor drive device, 12... Electrode lifting/lowering motor, 13... Movable electrode.
Claims (1)
整流器と、この整流器に交流電圧を印加する整流
器用変圧器と、前記整流器の直流電圧を検出する
電圧検出回路の出力と、予め設定された直流電圧
設定回路の出力とを比較し、その偏差に応じて前
記可動電極を駆動するモータを制御する装置を備
えた直流アーク炉の電極制御装置において、前記
整流器の交流側電圧の検出値を該交流電圧の定格
電圧値で割算する割算器と、前記直流電圧設定回
路の出力と前記割算器の出力とを掛算する掛算器
を具備し、この掛算器の出力信号と前記電圧検出
回路の出力信号とを比較し、その偏差に応じて前
記可動電極を駆動するモータを制御する装置を制
御するようにしたことを特徴とする直流アーク炉
の電極制御装置。 a rectifier that applies a DC voltage between the movable electrode and the furnace body; a rectifier transformer that applies an AC voltage to the rectifier; an output of a voltage detection circuit that detects the DC voltage of the rectifier; In an electrode control device for a DC arc furnace, the electrode control device includes a device that compares the output of a DC voltage setting circuit and controls a motor that drives the movable electrode according to the deviation thereof. A divider that divides the AC voltage by the rated voltage value, and a multiplier that multiplies the output of the DC voltage setting circuit and the output of the divider, and the output signal of the multiplier and the voltage detection circuit. 1. An electrode control device for a DC arc furnace, characterized in that a device for controlling a motor that drives the movable electrode is controlled in accordance with the deviation between the output signals of the movable electrode and the output signal of the movable electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989063929U JPH033700U (en) | 1989-06-02 | 1989-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989063929U JPH033700U (en) | 1989-06-02 | 1989-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033700U true JPH033700U (en) | 1991-01-16 |
Family
ID=31594416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989063929U Pending JPH033700U (en) | 1989-06-02 | 1989-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014002895A (en) * | 2012-06-18 | 2014-01-09 | Nippon Electric Glass Co Ltd | Control system of electric melting furnace, and production method of glass using control system of electric melting furnace |
| JP2014052144A (en) * | 2012-09-07 | 2014-03-20 | Toshiba Mitsubishi-Electric Industrial System Corp | Electrode lifting device |
-
1989
- 1989-06-02 JP JP1989063929U patent/JPH033700U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014002895A (en) * | 2012-06-18 | 2014-01-09 | Nippon Electric Glass Co Ltd | Control system of electric melting furnace, and production method of glass using control system of electric melting furnace |
| JP2014052144A (en) * | 2012-09-07 | 2014-03-20 | Toshiba Mitsubishi-Electric Industrial System Corp | Electrode lifting device |
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