JPS6160554B2 - - Google Patents

Info

Publication number
JPS6160554B2
JPS6160554B2 JP57112703A JP11270382A JPS6160554B2 JP S6160554 B2 JPS6160554 B2 JP S6160554B2 JP 57112703 A JP57112703 A JP 57112703A JP 11270382 A JP11270382 A JP 11270382A JP S6160554 B2 JPS6160554 B2 JP S6160554B2
Authority
JP
Japan
Prior art keywords
overcurrent
electrode
phase
electrodes
signal
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
JP57112703A
Other languages
English (en)
Japanese (ja)
Other versions
JPS593890A (ja
Inventor
Yoshitsuru Sakurai
Nobutoki Kozai
Kinzo Okazaki
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.)
JFE Steel Corp
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Kawasaki Steel Corp
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 Fuji Electric Co Ltd, Kawasaki Steel Corp filed Critical Fuji Electric Co Ltd
Priority to JP57112703A priority Critical patent/JPS593890A/ja
Publication of JPS593890A publication Critical patent/JPS593890A/ja
Publication of JPS6160554B2 publication Critical patent/JPS6160554B2/ja
Granted legal-status Critical Current

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)
JP57112703A 1982-06-30 1982-06-30 電気溶解炉における過電流発生時の電極急速引上げ制御方法 Granted JPS593890A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57112703A JPS593890A (ja) 1982-06-30 1982-06-30 電気溶解炉における過電流発生時の電極急速引上げ制御方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57112703A JPS593890A (ja) 1982-06-30 1982-06-30 電気溶解炉における過電流発生時の電極急速引上げ制御方法

Publications (2)

Publication Number Publication Date
JPS593890A JPS593890A (ja) 1984-01-10
JPS6160554B2 true JPS6160554B2 (enrdf_load_stackoverflow) 1986-12-22

Family

ID=14593380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57112703A Granted JPS593890A (ja) 1982-06-30 1982-06-30 電気溶解炉における過電流発生時の電極急速引上げ制御方法

Country Status (1)

Country Link
JP (1) JPS593890A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0257654U (enrdf_load_stackoverflow) * 1988-10-20 1990-04-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0257654U (enrdf_load_stackoverflow) * 1988-10-20 1990-04-25

Also Published As

Publication number Publication date
JPS593890A (ja) 1984-01-10

Similar Documents

Publication Publication Date Title
US4878144A (en) Solid-state trip device of a molded case circuit breaker
JP2661912B2 (ja) しや断器のトリツプ装置
US4685024A (en) Overcurrent circuit interrupter using RMS sampling
US3155879A (en) Tripping arrangement for an electric circuit breaker
EP2975719B1 (en) Fault current detecting circuit
CA1210847A (en) Electronic relay of arc detection
US6067217A (en) Current limiter
US4027203A (en) Protective switch device for electrical distribution systems
EP2747228A2 (en) System and method for fault protection
JPS63131411A (ja) 転流回路
JPS63107412A (ja) 遮断器の引外し装置
JP3356457B2 (ja) 真空遮断器
CA1126847A (en) Ground fault protection system for industrial power circuits
US4236186A (en) Power breaker system
SE515671C2 (sv) Anordning och förfarande för att skydda ett objekt mot felrelaterade överströmmar (Fall 1)
JPS6160554B2 (enrdf_load_stackoverflow)
JPH04317511A (ja) 送電線過負荷制御装置
US3617680A (en) Process and circuit arrangement for the switching of short circuits of installations for the electrochemical removal of material
US2879453A (en) Fault responsive protective system for an electric power transmission line
US3602776A (en) Quick resetting apparatus
US20050078425A1 (en) Use of a thermal limit curve with a time overcurrent curve to provide thermal protection in a protective relay
JP3227653B2 (ja) 電力系統保護制御装置
KR100221238B1 (ko) 역상 과전류 계전기(nsr)의 전동기 보호용 디지탈 보호 계전 방법
JP3555821B2 (ja) 交流アーク炉の電極昇降制御装置及び制御方法
EP0052091A1 (fr) Dispositif de protection contre les courants d'arc excessifs