HK49681A - An alternating current controlling system - Google Patents

An alternating current controlling system

Info

Publication number
HK49681A
HK49681A HK49681A HK49681A HK49681A HK 49681 A HK49681 A HK 49681A HK 49681 A HK49681 A HK 49681A HK 49681 A HK49681 A HK 49681A HK 49681 A HK49681 A HK 49681A
Authority
HK
Hong Kong
Prior art keywords
alternating current
controlling system
current controlling
alternating
current
Prior art date
Application number
HK49681A
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of HK49681A publication Critical patent/HK49681A/en

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
    • G05F1/40—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
    • G05F1/455—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 with phase control

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)
  • Ac-Ac Conversion (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Power Conversion In General (AREA)
HK49681A 1976-06-30 1981-10-15 An alternating current controlling system HK49681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7635376A JPS533634A (en) 1976-06-30 1976-06-30 Ac controller

Publications (1)

Publication Number Publication Date
HK49681A true HK49681A (en) 1981-10-23

Family

ID=13602987

Family Applications (1)

Application Number Title Priority Date Filing Date
HK49681A HK49681A (en) 1976-06-30 1981-10-15 An alternating current controlling system

Country Status (6)

Country Link
JP (1) JPS533634A (en)
CA (1) CA1075768A (en)
GB (1) GB1580938A (en)
HK (1) HK49681A (en)
MY (1) MY8200037A (en)
PH (1) PH13131A (en)

Also Published As

Publication number Publication date
MY8200037A (en) 1982-12-31
JPS533634A (en) 1978-01-13
CA1075768A (en) 1980-04-15
PH13131A (en) 1979-12-12
GB1580938A (en) 1980-12-10

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