JPS6282596U - - Google Patents
Info
- Publication number
- JPS6282596U JPS6282596U JP1985173557U JP17355785U JPS6282596U JP S6282596 U JPS6282596 U JP S6282596U JP 1985173557 U JP1985173557 U JP 1985173557U JP 17355785 U JP17355785 U JP 17355785U JP S6282596 U JPS6282596 U JP S6282596U
- Authority
- JP
- Japan
- Prior art keywords
- current
- arc
- thyristor
- control device
- detector
- 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
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
- Discharge Heating (AREA)
Description
図面は本考案の一実施例を示す直流アーク炉の
電極制御装置の構成図である。
５…電流検出器、６…電圧検出器、７…電流整
定分圧器、９…アーク長検出器、１０…位相制御
器、１１…ゲートパルス発生器、１２…サイリス
タ装置、１３…電極昇降用電動機、１４…位相設
定器、１５…位相制御器、１６…ゲートパルス発
生器、１７…過電流検出器、１８…比較器、１９
…電流整定器。
The drawing is a configuration diagram of an electrode control device for a DC arc furnace showing an embodiment of the present invention. 5... Current detector, 6... Voltage detector, 7... Current setting voltage divider, 9... Arc length detector, 10... Phase controller, 11... Gate pulse generator, 12... Thyristor device, 13... Electrode lifting motor , 14... Phase setter, 15... Phase controller, 16... Gate pulse generator, 17... Overcurrent detector, 18... Comparator, 19
...Current setter.
Claims (1)
ーク炉と、この直流アーク炉に直流電源を供給す
るサイリスタ整流器と、直流電流を計測する変流
器と、この変流器の出力信号から直流電流を検出
する電流検出器と、前記サイリスタ整流器のサイ
リスタ点弧位相を制御する位相制御装置と、前記
サイリスタ整流器の出力直流電圧を計測する電圧
検出器と、前記アーク炉の可動電極を駆動する電
動機と、この電動機を駆動する為に供給される電
源電圧を制御するサイリスタ装置と、このサイリ
スタ装置のサイリスタ点弧位相を制御する位相制
御装置からなる直流アーク炉の制御装置に於て、
予めアーク炉電流値を整定するアーク電流整定分
圧器と、このアーク電流設定分圧器の出力値と前
記電圧検出器からのアーク電圧値とを比較して前
記サイリスタ位相制御装置に位相制御信号を出す
アーク長検出器と、アーク電流の過電流を検出し
、過電流分の位相制御信号を出力する過電流検出
器を具備してなる直流アーク炉の電極制御装置。 A DC arc furnace that melts metal with a DC current arc, a thyristor rectifier that supplies DC power to the DC arc furnace, a current transformer that measures the DC current, and a DC current that is calculated from the output signal of this current transformer. a current detector for detecting a current, a phase control device for controlling a thyristor firing phase of the thyristor rectifier, a voltage detector for measuring an output DC voltage of the thyristor rectifier, and an electric motor for driving a movable electrode of the arc furnace; In a DC arc furnace control device that includes a thyristor device that controls the power supply voltage supplied to drive the electric motor, and a phase control device that controls the thyristor firing phase of this thyristor device,
An arc current setting voltage divider that sets the arc furnace current value in advance, and the output value of this arc current setting voltage divider is compared with the arc voltage value from the voltage detector to output a phase control signal to the thyristor phase control device. An electrode control device for a DC arc furnace comprising an arc length detector and an overcurrent detector that detects overcurrent of arc current and outputs a phase control signal corresponding to the overcurrent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985173557U JPS6282596U (en) | 1985-11-13 | 1985-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985173557U JPS6282596U (en) | 1985-11-13 | 1985-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6282596U true JPS6282596U (en) | 1987-05-26 |
Family
ID=31111127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985173557U Pending JPS6282596U (en) | 1985-11-13 | 1985-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6282596U (en) |
-
1985
- 1985-11-13 JP JP1985173557U patent/JPS6282596U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6282596U (en) | ||
| JPS6229792U (en) | ||
| JPS60152293U (en) | DC arc furnace control device | |
| JPH02150799U (en) | ||
| JPS60158697U (en) | DC arc furnace control device | |
| JPH033700U (en) | ||
| JPS60147100U (en) | DC arc furnace control device | |
| JPS60123897U (en) | DC arc furnace electrode control device | |
| JPS6284338U (en) | ||
| JPS6376376U (en) | ||
| JPS6238098U (en) | ||
| JPS6416271A (en) | Inverter controller | |
| JPS6165700U (en) | ||
| JPS57168315A (en) | Electric current controller of electric power converter | |
| JPS61205295U (en) | ||
| JPS6217164Y2 (en) | ||
| JPS61200663U (en) | ||
| JPS6381697U (en) | ||
| JPS62109866U (en) | ||
| JPS6233696U (en) | ||
| JPS62140900U (en) | ||
| JPH0237496U (en) | ||
| JPS63119194A (en) | Electrode controller of dc arc furnace | |
| JPS62196425U (en) | ||
| JPH0171989U (en) |