JPS6043086A - Inverter device - Google Patents

Inverter device

Info

Publication number
JPS6043086A
JPS6043086A JP58149931A JP14993183A JPS6043086A JP S6043086 A JPS6043086 A JP S6043086A JP 58149931 A JP58149931 A JP 58149931A JP 14993183 A JP14993183 A JP 14993183A JP S6043086 A JPS6043086 A JP S6043086A
Authority
JP
Japan
Prior art keywords
frequency
reduce
positioning
voltage
signal
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
JP58149931A
Other languages
Japanese (ja)
Inventor
Masato Unno
Hiroaki Okaji
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP58149931A priority Critical patent/JPS6043086A/en
Publication of JPS6043086A publication Critical patent/JPS6043086A/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
    • H02P25/00Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/022Synchronous motors
    • H02P25/03Synchronous motors with brushless excitation

Abstract

PURPOSE:To reduce magnetic noise of a load motor by reducing the ON/OFF frequency of a power switch at the positioning stopping time. CONSTITUTION:When a positioning stop is performed, a voltage correcting circuit 27 corrects to subtract a voltage command from a converter voltage instructing circuit 15 by a speed detection signal Nf in response to a slip frequency signal Ws, when inputting a positioning signal. Then, the converter voltage is suppressed to a lower value as compared with the value at the normal operation time to reduce a chopper frequency in operation, thereby reducing the ON/OFF frequency of a power switch to decrease the magnetic noise frequency of a motor to thereby reduce unpleasant feeling.
JP58149931A 1983-08-17 1983-08-17 Inverter device Pending JPS6043086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58149931A JPS6043086A (en) 1983-08-17 1983-08-17 Inverter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58149931A JPS6043086A (en) 1983-08-17 1983-08-17 Inverter device

Publications (1)

Publication Number Publication Date
JPS6043086A true JPS6043086A (en) 1985-03-07

Family

ID=15485692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58149931A Pending JPS6043086A (en) 1983-08-17 1983-08-17 Inverter device

Country Status (1)

Country Link
JP (1) JPS6043086A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181122U (en) * 1986-05-10 1987-11-17
JPS63173026U (en) * 1986-10-02 1988-11-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181122U (en) * 1986-05-10 1987-11-17
JPS63173026U (en) * 1986-10-02 1988-11-10

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