FR2241913A1 - Control circuit with prior connected current regulator - for an electro-slag metal melting furnace - Google Patents

Control circuit with prior connected current regulator - for an electro-slag metal melting furnace

Info

Publication number
FR2241913A1
FR2241913A1 FR7422997A FR7422997A FR2241913A1 FR 2241913 A1 FR2241913 A1 FR 2241913A1 FR 7422997 A FR7422997 A FR 7422997A FR 7422997 A FR7422997 A FR 7422997A FR 2241913 A1 FR2241913 A1 FR 2241913A1
Authority
FR
France
Prior art keywords
current
melting furnace
electro
control circuit
current regulator
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.)
Granted
Application number
FR7422997A
Other languages
French (fr)
Other versions
FR2241913B1 (en
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.)
Siemens AG
Original Assignee
Siemens AG
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
Priority claimed from DE19732334080 external-priority patent/DE2334080C3/en
Application filed by Siemens AG filed Critical Siemens AG
Publication of FR2241913A1 publication Critical patent/FR2241913A1/en
Application granted granted Critical
Publication of FR2241913B1 publication Critical patent/FR2241913B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

In a circuit for the power feed of an electrode melting furnace, particularly for melting metal under a slag layer, from the mains via a static converter consisting of a control device and a prior connected current regulator which can be influenced by a pre-set value and an instantaneous value of a current, the proportional-integral (PI) current-regulator can be additionally influenced by a control magnitude, which can replace the current regulation during periodic or aperiodic operating states or states due to defect affecting the melting process in the furnace, by a control potential controlling the control device for the static converter, which can be limited to an adjustable value.
FR7422997A 1973-07-04 1974-07-02 Control circuit with prior connected current regulator - for an electro-slag metal melting furnace Granted FR2241913A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732334080 DE2334080C3 (en) 1973-07-04 Circuit arrangement for the supply of electrode melting furnaces

Publications (2)

Publication Number Publication Date
FR2241913A1 true FR2241913A1 (en) 1975-03-21
FR2241913B1 FR2241913B1 (en) 1978-11-24

Family

ID=5885943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422997A Granted FR2241913A1 (en) 1973-07-04 1974-07-02 Control circuit with prior connected current regulator - for an electro-slag metal melting furnace

Country Status (5)

Country Link
JP (1) JPS5038145A (en)
AT (1) AT326376B (en)
FR (1) FR2241913A1 (en)
IT (1) IT1015609B (en)
NL (1) NL7407379A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110846516A (en) * 2019-11-20 2020-02-28 内蒙古世星新材料科技有限公司 Full-automatic slag system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612416Y2 (en) * 1975-03-19 1981-03-23
JPS51117972U (en) * 1975-03-19 1976-09-24
JPS5829987B2 (en) * 1976-10-05 1983-06-25 株式会社フジクラ Method for producing hydrocarbon oil from crosslinked polyethylene
CN114438501B (en) * 2021-12-15 2024-04-19 安科工程技术研究院（北京）有限公司 Pipeline potential change characteristic analysis method, analysis device, readable medium and terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110846516A (en) * 2019-11-20 2020-02-28 内蒙古世星新材料科技有限公司 Full-automatic slag system

Also Published As

Publication number Publication date
IT1015609B (en) 1977-05-20
DE2334080B2 (en) 1975-07-31
NL7407379A (en) 1975-01-07
JPS5038145A (en) 1975-04-09
ATA487474A (en) 1975-02-15
DE2334080A1 (en) 1975-01-23
FR2241913B1 (en) 1978-11-24
AT326376B (en) 1975-12-10

Similar Documents

Publication Publication Date Title
ES489070A1 (en) Monitoring and feedback controls for a spray welding apparatus
US2632862A (en) Regulating system
FR2241913A1 (en) Control circuit with prior connected current regulator - for an electro-slag metal melting furnace
CA2030686A1 (en) Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
US3188376A (en) Electrode position control in vacuum arc furnace
US3952139A (en) Circuit arrangement for supplying electrode melting furnaces
ATE4969T1 (en) REGULATED WELDING CYCLE.
JPS57139472A (en) Automatic welding machine
JPS5490528A (en) Digital-controlling power converter
JPS5515635A (en) Control method in sludge treatment
GB735544A (en) Improvements in or relating to current regulating systems for electric arc welding plant
SU73418A1 (en) Method for automatic control of electric arc furnaces, in particular, steel-smelting
US3999976A (en) Method for melting scrap in electric arc furnaces
SU344800A1 (en) METHOD FOR AUTOMATIC REGULATION OF ELECTROSLAG RECOVERY INSTALLATION
DE354332C (en) Electric arc welder
JPS5747582A (en) Output controller for welding machine
JPS5597885A (en) Control method of welding current and device thereof
JPS54147592A (en) Optimum control device for electric discharge machine
GB1013474A (en) Polyphase electric arc furnace regulator
JPS5796727A (en) Wirecut electric discharge machining device
JPS57152373A (en) Consumable electrode type pulse arc welding
FR2236333A1 (en) Circuit for controlling current rectifier - in electrically heated furnace, receives state signal from each thyristor in group reducing regulator current with fault
JPS57134726A (en) Conduction controller for lattice control rectifying element
JPS5481061A (en) Semiconductor controller
JPS57149059A (en) Controller for electric power source for consumable electrode type arc welding

Legal Events

Date Code Title Description
ST Notification of lapse