FR2102346B3 - - Google Patents

Info

Publication number
FR2102346B3
FR2102346B3 FR7126348A FR7126348A FR2102346B3 FR 2102346 B3 FR2102346 B3 FR 2102346B3 FR 7126348 A FR7126348 A FR 7126348A FR 7126348 A FR7126348 A FR 7126348A FR 2102346 B3 FR2102346 B3 FR 2102346B3
Authority
FR
France
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
FR7126348A
Other languages
French (fr)
Other versions
FR2102346A7 (OSRAM
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR2102346A7 publication Critical patent/FR2102346A7/fr
Publication of FR2102346B3 publication Critical patent/FR2102346B3/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
    • B23H3/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits
    • 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 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/56—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
    • G05F1/563—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices including two stages of regulation at least one of which is output level responsive, e.g. coarse and fine regulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
    • H02H7/1257—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to short circuit or wrong polarity in output circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Control Of Electrical Variables (AREA)
FR7126348A 1970-08-19 1971-07-19 Expired FR2102346B3 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702041118 DE2041118A1 (de) 1970-08-19 1970-08-19 Zur Speisung einer elektrolytischen Arbeitsvorrichtung dienender regelbarer Konstantspannungs-Generator

Publications (2)

Publication Number Publication Date
FR2102346A7 FR2102346A7 (OSRAM) 1972-04-07
FR2102346B3 true FR2102346B3 (OSRAM) 1973-11-30

Family

ID=5780139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7126348A Expired FR2102346B3 (OSRAM) 1970-08-19 1971-07-19

Country Status (4)

Country Link
CH (1) CH524857A (OSRAM)
DE (1) DE2041118A1 (OSRAM)
FR (1) FR2102346B3 (OSRAM)
GB (1) GB1353232A (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195325A (en) 1977-12-13 1980-03-25 National Research Development Corporation Means for protecting hazardous areas against electrical faults
FR2453446A1 (fr) * 1979-04-05 1980-10-31 Inst Cercetari Pentru Ind Dispositif de controle a source multiposte a thyristors pour installations d'ebarbage electrochimique

Also Published As

Publication number Publication date
CH524857A (de) 1972-06-30
FR2102346A7 (OSRAM) 1972-04-07
DE2041118A1 (de) 1972-03-02
GB1353232A (en) 1974-05-15

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