JPS56166769A - Power controller for induction load - Google Patents

Power controller for induction load

Info

Publication number
JPS56166769A
JPS56166769A JP7051980A JP7051980A JPS56166769A JP S56166769 A JPS56166769 A JP S56166769A JP 7051980 A JP7051980 A JP 7051980A JP 7051980 A JP7051980 A JP 7051980A JP S56166769 A JPS56166769 A JP S56166769A
Authority
JP
Japan
Prior art keywords
voltage
power source
signal
amplifier
load
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.)
Granted
Application number
JP7051980A
Other languages
Japanese (ja)
Other versions
JPS627771B2 (en
Inventor
Noriyuki Yoshida
Yoshimi Asai
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.)
Brother Industries Ltd
Original Assignee
Brother Industries 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 Brother Industries Ltd filed Critical Brother Industries Ltd
Priority to JP7051980A priority Critical patent/JPS56166769A/en
Publication of JPS56166769A publication Critical patent/JPS56166769A/en
Publication of JPS627771B2 publication Critical patent/JPS627771B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)
  • Dc-Dc Converters (AREA)

Abstract

PURPOSE:To supply a smoothed current to a load at every half cycle of a power source by controlling the voltage waveform from the power source in such a manner that the ON period of a semiconductor switching element is long at the lower voltage part and is short at the higher voltage part. CONSTITUTION:To an OP amplifier 9 are inputted a signal E proportional to the voltage value of a power source and a signal F from a generator G which generates a voltage proportional to the rotating speed of the DC motor M of a load. An operational amplifier 8 serves to compare the output B from the amplifier 9 with a reference signal C and to generate an ON signal D during the period in which the voltage level of the reference signal C is higher than the output B, thereby controlling a semiconductor switching element 1. Thus, the power source can be controlled to reduce the variation in the supplied quantity of electric power following the variation in the voltage of the power source.
JP7051980A 1980-05-27 1980-05-27 Power controller for induction load Granted JPS56166769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7051980A JPS56166769A (en) 1980-05-27 1980-05-27 Power controller for induction load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7051980A JPS56166769A (en) 1980-05-27 1980-05-27 Power controller for induction load

Publications (2)

Publication Number Publication Date
JPS56166769A true JPS56166769A (en) 1981-12-22
JPS627771B2 JPS627771B2 (en) 1987-02-19

Family

ID=13433849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7051980A Granted JPS56166769A (en) 1980-05-27 1980-05-27 Power controller for induction load

Country Status (1)

Country Link
JP (1) JPS56166769A (en)

Also Published As

Publication number Publication date
JPS627771B2 (en) 1987-02-19

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