JPS5771025A - Testing circuit for voltage margin by power source of center regulation system - Google Patents

Testing circuit for voltage margin by power source of center regulation system

Info

Publication number
JPS5771025A
JPS5771025A JP14696480A JP14696480A JPS5771025A JP S5771025 A JPS5771025 A JP S5771025A JP 14696480 A JP14696480 A JP 14696480A JP 14696480 A JP14696480 A JP 14696480A JP S5771025 A JPS5771025 A JP S5771025A
Authority
JP
Japan
Prior art keywords
terminals
voltage
output voltage
leg
short
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.)
Pending
Application number
JP14696480A
Other languages
Japanese (ja)
Inventor
Isamu Kagaya
Junichi Oketani
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.)
Hitachi Ltd
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
Priority to JP14696480A priority Critical patent/JPS5771025A/en
Publication of JPS5771025A publication Critical patent/JPS5771025A/en
Pending 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
    • G05F1/32—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using magnetic devices having a controllable degree of saturation as final control devices
    • G05F1/34—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using magnetic devices having a controllable degree of saturation as final control devices combined with discharge tubes or semiconductor devices
    • G05F1/38—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using magnetic devices having a controllable degree of saturation as final control devices combined with discharge tubes or semiconductor 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)
  • Control Of Voltage And Current In General (AREA)

Abstract

PURPOSE:To supply an independently variable testing voltage by reconnecting control winding terminals of a transformer equipped with a control winding in addition to primary-side and secondary-side windings. CONSTITUTION:A primary winding is provided to the 1st leg A of the iron core of a transformer 40, and a secondary winding is provided extending from the 2nd leg B to the 3rd leg C. A primary input voltage is applied between terminals 1 and 2, and a secondary output voltage is outputted from between terminals 1 and 3. while control windings are provided between terminals 6 and 7, and 4 and 5, the terminals 6 and 7 are short-circuited mutually to raise the output voltage; when the terminals 6 and 7 are opened and the terminals 4 and 5 are short-circuited, the output voltage drops. When the terminals 4 and 6, and 5 and 7 are short-circuited mutually, the output voltage becomes equal to the input voltage. A 400HzAC voltage is applied between the terminals 1 and 2 of the transformer 40, relay contacts K1 and K2 are provided among terminals 4-6, and contacts K1 and K2 are made and broken selecively in combination to vary the output voltages of rectifying units 30 and 30a independently of each other. Thus, the constitution sized small and made lightweight as compared with when a conventional slidac, etc., is used.
JP14696480A 1980-10-22 1980-10-22 Testing circuit for voltage margin by power source of center regulation system Pending JPS5771025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14696480A JPS5771025A (en) 1980-10-22 1980-10-22 Testing circuit for voltage margin by power source of center regulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14696480A JPS5771025A (en) 1980-10-22 1980-10-22 Testing circuit for voltage margin by power source of center regulation system

Publications (1)

Publication Number Publication Date
JPS5771025A true JPS5771025A (en) 1982-05-01

Family

ID=15419558

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14696480A Pending JPS5771025A (en) 1980-10-22 1980-10-22 Testing circuit for voltage margin by power source of center regulation system

Country Status (1)

Country Link
JP (1) JPS5771025A (en)

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