SE370151B - - Google Patents

Info

Publication number
SE370151B
SE370151B SE69170A SE69170A SE370151B SE 370151 B SE370151 B SE 370151B SE 69170 A SE69170 A SE 69170A SE 69170 A SE69170 A SE 69170A SE 370151 B SE370151 B SE 370151B
Authority
SE
Sweden
Application number
SE69170A
Inventor
Y Amemiya
T Matsuhashi
Original Assignee
Japan National Railway
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 Japan National Railway filed Critical Japan National Railway
Publication of SE370151B publication Critical patent/SE370151B/xx

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
    • G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
    • G05F1/16—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices
    • G05F1/20—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only
    • 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
    • G05F1/45—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 being controlled rectifiers in series with the load
    • 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
    • G05F1/62—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using bucking or boosting dc sources

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)
  • Rectifiers (AREA)
SE69170A 1969-01-24 1970-01-21 SE370151B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP473169 1969-01-24

Publications (1)

Publication Number Publication Date
SE370151B true SE370151B (en) 1974-09-30

Family

ID=11592029

Family Applications (1)

Application Number Title Priority Date Filing Date
SE69170A SE370151B (en) 1969-01-24 1970-01-21

Country Status (5)

Country Link
CH (1) CH522320A (en)
DE (1) DE2003034A1 (en)
FR (1) FR2029055A1 (en)
GB (1) GB1292713A (en)
SE (1) SE370151B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2919360A1 (en) * 1979-05-14 1980-11-20 Siemens Ag CONTROLLED WELDING TIMER

Also Published As

Publication number Publication date
FR2029055A1 (en) 1970-10-16
CH522320A (en) 1972-06-15
DE2003034A1 (en) 1970-08-20
GB1292713A (en) 1972-10-11

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