KR910010057U - Constant voltage selector - Google Patents

Constant voltage selector

Info

Publication number
KR910010057U
KR910010057U KR2019890017803U KR890017803U KR910010057U KR 910010057 U KR910010057 U KR 910010057U KR 2019890017803 U KR2019890017803 U KR 2019890017803U KR 890017803 U KR890017803 U KR 890017803U KR 910010057 U KR910010057 U KR 910010057U
Authority
KR
South Korea
Prior art keywords
constant voltage
voltage selector
selector
constant
voltage
Prior art date
Application number
KR2019890017803U
Other languages
Korean (ko)
Other versions
KR920001697Y1 (en
Inventor
박병하
Original Assignee
박병하
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 박병하 filed Critical 박병하
Priority to KR2019890017803U priority Critical patent/KR920001697Y1/en
Publication of KR910010057U publication Critical patent/KR910010057U/en
Application granted granted Critical
Publication of KR920001697Y1 publication Critical patent/KR920001697Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
    • H02P13/06—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by tap-changing; by rearranging interconnections of windings
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
    • H02M5/12—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion of voltage or current amplitude 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)
  • Control Of Electrical Variables (AREA)
KR2019890017803U 1989-11-29 1989-11-29 Voltage selecting apparatus KR920001697Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890017803U KR920001697Y1 (en) 1989-11-29 1989-11-29 Voltage selecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890017803U KR920001697Y1 (en) 1989-11-29 1989-11-29 Voltage selecting apparatus

Publications (2)

Publication Number Publication Date
KR910010057U true KR910010057U (en) 1991-06-29
KR920001697Y1 KR920001697Y1 (en) 1992-03-09

Family

ID=19292484

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890017803U KR920001697Y1 (en) 1989-11-29 1989-11-29 Voltage selecting apparatus

Country Status (1)

Country Link
KR (1) KR920001697Y1 (en)

Also Published As

Publication number Publication date
KR920001697Y1 (en) 1992-03-09

Similar Documents

Publication Publication Date Title
BR9002634A (en) POLY-ALPHA-OLEFINE
ID996B (en) SUBSTITUTED PIRROLUM
BR9000014A (en) CLASSIFICAODR
BR9001818A (en) ALMOST-OPTICAL GYROTROM
KR910010057U (en) Constant voltage selector
ATA149789A (en) RAILWHEEL
BR8706292A (en) VOLTAGE SELECTOR
BR9006503A (en) COPOLIMERO AGRILAMIDIOS
KR910003238U (en) Mode selector
DK464789D0 (en) CURRENT LIMITS
SE8903678D0 (en) LE SANS-GENE
KR910006458U (en) Voltage selection switch
BR6901802U (en) CHIPPER-CRUSHER
BR8905416A (en) CONTINUATOR
BR6900207U (en) CLAMP-CLAMP
BR6900454U (en) SPOSITOR
BR6900607U (en) MINI-CONE
BR6900732U (en) REOVISCOSIMETRO
BR6900735U (en) ROTACESTA
BR6900796U (en) ELECTRO-LAMIN
BR6900847U (en) TELE-ALARM
BR6901354U (en) MOSQUETAO
BR6901431U (en) BATE-PULA
BR6901774U (en) NEGATOSCOPIO UNIMADEN
BR8900751A (en) ANTI-AGGLUTINANT OPERCULO

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20010309

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee