JPS5237239A - Thyristor control system in arc furnace and the like - Google Patents
Thyristor control system in arc furnace and the likeInfo
- Publication number
- JPS5237239A JPS5237239A JP50114184A JP11418475A JPS5237239A JP S5237239 A JPS5237239 A JP S5237239A JP 50114184 A JP50114184 A JP 50114184A JP 11418475 A JP11418475 A JP 11418475A JP S5237239 A JPS5237239 A JP S5237239A
- Authority
- JP
- Japan
- Prior art keywords
- arc furnace
- thyristor control
- control system
- keep
- tap
- 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
- Furnace Details (AREA)
- Discharge Heating (AREA)
Abstract
PURPOSE: A system to keep down higher harmonic voltage in an arc furnace of thyristor control by using a tap-transfer device of a transformer jointly to keep the ignition angle under a regular limit.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50114184A JPS5237239A (en) | 1975-09-19 | 1975-09-19 | Thyristor control system in arc furnace and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50114184A JPS5237239A (en) | 1975-09-19 | 1975-09-19 | Thyristor control system in arc furnace and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5237239A true JPS5237239A (en) | 1977-03-23 |
Family
ID=14631290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50114184A Pending JPS5237239A (en) | 1975-09-19 | 1975-09-19 | Thyristor control system in arc furnace and the like |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5237239A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5531529U (en) * | 1978-08-16 | 1980-02-29 | ||
JPH0613178A (en) * | 1992-06-29 | 1994-01-21 | Nippon Steel Corp | Voltage control method for direct current arc furnace |
-
1975
- 1975-09-19 JP JP50114184A patent/JPS5237239A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5531529U (en) * | 1978-08-16 | 1980-02-29 | ||
JPH0613178A (en) * | 1992-06-29 | 1994-01-21 | Nippon Steel Corp | Voltage control method for direct current arc furnace |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5232256A (en) | Gate circuit of gate turn off thyristor | |
JPS51142983A (en) | Scr | |
JPS5222747A (en) | Firing phase control device | |
JPS5237239A (en) | Thyristor control system in arc furnace and the like | |
JPS526840A (en) | Current interception ignition device | |
JPS5210514A (en) | Transformation device | |
JPS51147967A (en) | Method of controlling spot exposure | |
JPS5222746A (en) | Ac load starting control device | |
JPS5218159A (en) | Gate-turn-off thyristor use gate circuit | |
JPS51121168A (en) | A-c power control means | |
JPS5236963A (en) | Control device for thyristor | |
JPS5247261A (en) | Lever apparatus | |
JPS51132781A (en) | Semiconductor-control rectification device | |
JPS5312029A (en) | Controller for inverter phase control angle | |
JPS51111647A (en) | Control apparatus for thyristor power converter | |
JPS5216158A (en) | Pulse ignition system for ac thyristor | |
JPS5233058A (en) | Power factor-voltage control device | |
JPS5215044A (en) | Crane control apparatus | |
JPS51137930A (en) | Burner control device | |
JPS5227520A (en) | Series transformer typed ac voltage regulating device | |
JPS51121166A (en) | Reverse parallel thyristor control system | |
JPS5258815A (en) | Control device for induction motor | |
JPS5227225A (en) | Magnetic bubble device | |
JPS51121129A (en) | Transistor inverter control means | |
JPS5235707A (en) | Furnace top charging apparatus |