JPS57153596A - Normal and reverse operating method for induction motor by voltage type inverter - Google Patents

Normal and reverse operating method for induction motor by voltage type inverter

Info

Publication number
JPS57153596A
JPS57153596A JP56038540A JP3854081A JPS57153596A JP S57153596 A JPS57153596 A JP S57153596A JP 56038540 A JP56038540 A JP 56038540A JP 3854081 A JP3854081 A JP 3854081A JP S57153596 A JPS57153596 A JP S57153596A
Authority
JP
Japan
Prior art keywords
low speed
normal
signal
phase sequence
reverse
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
JP56038540A
Other languages
Japanese (ja)
Inventor
Yukio Aizawa
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 JP56038540A priority Critical patent/JPS57153596A/en
Publication of JPS57153596A publication Critical patent/JPS57153596A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/24Controlling the direction, e.g. clockwise or counterclockwise

Abstract

PURPOSE:To normally and reversely operate an induction motor without contact by eliminating the switching of a phase sequence even if normal or reverse switching command is applied during high speed operation and switching the phase sequence only in the low speed range, thereby reducing the size of the motor. CONSTITUTION:A low speed detector 7 which detects the fact the acceleration of deceleration speed limiting instruction value of an acceleration or deceleration speed limiter 6 is lower than the low speed level, an oscillator 8 which oscillates a clock pulse upon throwing of a controlling power source, and a memory circuit 10 which calculates the logical product of the clock pulse signal of the oscillator 8 and the detection signal of the detector 7 and storing the normal or reverse instruction signal by the output pulse signal of the logic product are provided. The phase sequence of the drive signals of a driving circuit 16 of an inverter is switched in accordance with the normal or reverse instruction signal set by the memory circuit 10. That is, when the accleration or deceleration control instruction value is lower than the low speed level, the output of the drive signal to the driving circuit 16 of the inverter is stopped, and when it is higher than the low speed level, the drive signal is produced.
JP56038540A 1981-03-17 1981-03-17 Normal and reverse operating method for induction motor by voltage type inverter Pending JPS57153596A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56038540A JPS57153596A (en) 1981-03-17 1981-03-17 Normal and reverse operating method for induction motor by voltage type inverter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56038540A JPS57153596A (en) 1981-03-17 1981-03-17 Normal and reverse operating method for induction motor by voltage type inverter

Publications (1)

Publication Number Publication Date
JPS57153596A true JPS57153596A (en) 1982-09-22

Family

ID=12528110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56038540A Pending JPS57153596A (en) 1981-03-17 1981-03-17 Normal and reverse operating method for induction motor by voltage type inverter

Country Status (1)

Country Link
JP (1) JPS57153596A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6135195A (en) * 1984-07-24 1986-02-19 Fujikin:Kk Controller for pulse motor
JPS61251484A (en) * 1985-04-26 1986-11-08 Mitsubishi Electric Corp Pwm control circuit of inverter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6135195A (en) * 1984-07-24 1986-02-19 Fujikin:Kk Controller for pulse motor
JPS61251484A (en) * 1985-04-26 1986-11-08 Mitsubishi Electric Corp Pwm control circuit of inverter

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