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JPS5641792A - Controlling device for induction motor - Google Patents

Controlling device for induction motor

Info

Publication number
JPS5641792A
JPS5641792A JP11704979A JP11704979A JPS5641792A JP S5641792 A JPS5641792 A JP S5641792A JP 11704979 A JP11704979 A JP 11704979A JP 11704979 A JP11704979 A JP 11704979A JP S5641792 A JPS5641792 A JP S5641792A
Authority
JP
Japan
Prior art keywords
signal
primary current
current
amplitude
circuit
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
JP11704979A
Other languages
Japanese (ja)
Other versions
JPS5947558B2 (en
Inventor
Toshiaki Kudo
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP54117049A priority Critical patent/JPS5947558B2/en
Publication of JPS5641792A publication Critical patent/JPS5641792A/en
Publication of JPS5947558B2 publication Critical patent/JPS5947558B2/en
Expired legal-status Critical Current

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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE:To make it possible to perform highly precise control over the wide speed range in the case a current type inverter is used by providing a coordinate converting circuit which obtains the primary current signal that has been converted into the coordinate system rotating in synchronization with a rotor, and the secondary magentic flux calculating circuit, and the like. CONSTITUTION:By a coordinate converting circuit 23, is obtained the primary current signal which is converted to the coordinate system rotating in synchronization with the rotor of an induction motor 2. The secondary magnetic fluxes of the motor 2 are calculated from said signal by the magnetic flux calculating circuit 24. By using said signal, the amplitude command signal and the phase difference signal for the primary current are sent out from the primary current 26. The control is performed by a current amplitude control circuit 21 so that the amplitude of the fundamental wave of the primary current to be supplied to the motor 2 proportionately varies with the amplitude command signal. By a commutation control circuit 27, the commutation timing of the current type inverter 14 is controlled so that said phase difference signal becomes zero in average value.
JP54117049A 1979-09-12 1979-09-12 Induction motor control device Expired JPS5947558B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54117049A JPS5947558B2 (en) 1979-09-12 1979-09-12 Induction motor control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54117049A JPS5947558B2 (en) 1979-09-12 1979-09-12 Induction motor control device

Publications (2)

Publication Number Publication Date
JPS5641792A true JPS5641792A (en) 1981-04-18
JPS5947558B2 JPS5947558B2 (en) 1984-11-20

Family

ID=14702152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54117049A Expired JPS5947558B2 (en) 1979-09-12 1979-09-12 Induction motor control device

Country Status (1)

Country Link
JP (1) JPS5947558B2 (en)

Also Published As

Publication number Publication date
JPS5947558B2 (en) 1984-11-20

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