JPS5546894A - Controlling induction motor - Google Patents

Controlling induction motor

Info

Publication number
JPS5546894A
JPS5546894A JP11875178A JP11875178A JPS5546894A JP S5546894 A JPS5546894 A JP S5546894A JP 11875178 A JP11875178 A JP 11875178A JP 11875178 A JP11875178 A JP 11875178A JP S5546894 A JPS5546894 A JP S5546894A
Authority
JP
Japan
Prior art keywords
frequency
output
voltage
inverter
specified value
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
JP11875178A
Other languages
Japanese (ja)
Inventor
Hiroshi Miki
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP11875178A priority Critical patent/JPS5546894A/en
Publication of JPS5546894A publication Critical patent/JPS5546894A/en
Pending legal-status Critical Current

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  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: To improve efficiency of utilization of inverters and motors by making the output voltage of a variable-voltage variable-frequency power supply constant in the region wherein the frequency exceeds a specified value.
CONSTITUTION: A frequency control system which controls the output frequency of an inverter gives a speed instruction signal or an inverter output-voltage signal to a voltage frequency-characteristic regulation circuit 8 through an acceleration and decelation regulator 4. The output of the regulation circuit 8 is given to a voltage- frequency converter 9, and the frequency signal controls the ON-OFF cycle of the main-circuit element of the main portion of an inverter 1. The regulation circuit 8 has voltage-regulating characteristics, and limits the output voltage to a specified value in the case the output frequency of the inverter is controlled above a specified value. In this constitution, the output power can be constantly controlled within the frequency region whose values exceed the specified value of the characteristics, and efficieny of utilization of motors can be improved for loads having constant-output characteristics.
COPYRIGHT: (C)1980,JPO&Japio
JP11875178A 1978-09-27 1978-09-27 Controlling induction motor Pending JPS5546894A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11875178A JPS5546894A (en) 1978-09-27 1978-09-27 Controlling induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11875178A JPS5546894A (en) 1978-09-27 1978-09-27 Controlling induction motor

Publications (1)

Publication Number Publication Date
JPS5546894A true JPS5546894A (en) 1980-04-02

Family

ID=14744145

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11875178A Pending JPS5546894A (en) 1978-09-27 1978-09-27 Controlling induction motor

Country Status (1)

Country Link
JP (1) JPS5546894A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56166794A (en) * 1980-05-26 1981-12-22 Toshiba Corp Controlling method for ac motor
JPS59230971A (en) * 1983-05-18 1984-12-25 Toray Eng Co Ltd Driving of winder of spindle drive type
JPS63176387A (en) * 1987-01-16 1988-07-20 ダイセル化学工業株式会社 Gas generator
JPH0238163A (en) * 1988-07-29 1990-02-07 Mazda Motor Corp Air bag controller of vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56166794A (en) * 1980-05-26 1981-12-22 Toshiba Corp Controlling method for ac motor
JPS59230971A (en) * 1983-05-18 1984-12-25 Toray Eng Co Ltd Driving of winder of spindle drive type
JPH0224748B2 (en) * 1983-05-18 1990-05-30 Tore Eng Co Ltd
JPS63176387A (en) * 1987-01-16 1988-07-20 ダイセル化学工業株式会社 Gas generator
JPH0569075B2 (en) * 1987-01-16 1993-09-30 Daicel Chem
JPH0238163A (en) * 1988-07-29 1990-02-07 Mazda Motor Corp Air bag controller of vehicle

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