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JPS5372120A - Control device of alternating current motor - Google Patents

Control device of alternating current motor

Info

Publication number
JPS5372120A
JPS5372120A JP14748176A JP14748176A JPS5372120A JP S5372120 A JPS5372120 A JP S5372120A JP 14748176 A JP14748176 A JP 14748176A JP 14748176 A JP14748176 A JP 14748176A JP S5372120 A JPS5372120 A JP S5372120A
Authority
JP
Japan
Prior art keywords
alternating current
current motor
control device
unstable phenomenon
control
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
JP14748176A
Other languages
Japanese (ja)
Other versions
JPS5629479B2 (en
Inventor
Akio Hirata
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 JP14748176A priority Critical patent/JPS5372120A/en
Publication of JPS5372120A publication Critical patent/JPS5372120A/en
Publication of JPS5629479B2 publication Critical patent/JPS5629479B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: To restrain an unstable phenomenon in the control of an alternating current motor, by detecting an unstable phenomenon such as vibration of output current or torque at low frequency, and offering a signal for braking transiently into the control circuit of a frequency converting device.
COPYRIGHT: (C)1978,JPO&Japio
JP14748176A 1976-12-08 1976-12-08 Control device of alternating current motor Granted JPS5372120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14748176A JPS5372120A (en) 1976-12-08 1976-12-08 Control device of alternating current motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14748176A JPS5372120A (en) 1976-12-08 1976-12-08 Control device of alternating current motor

Publications (2)

Publication Number Publication Date
JPS5372120A true JPS5372120A (en) 1978-06-27
JPS5629479B2 JPS5629479B2 (en) 1981-07-08

Family

ID=15431360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14748176A Granted JPS5372120A (en) 1976-12-08 1976-12-08 Control device of alternating current motor

Country Status (1)

Country Link
JP (1) JPS5372120A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6173592A (en) * 1984-09-14 1986-04-15 Hitachi Ltd Vibration suppressing controlling method of ac motor
JPS6277091A (en) * 1985-09-25 1987-04-09 Mitsubishi Electric Corp Driving device for induction motor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4962918A (en) * 1972-06-13 1974-06-18
JPS5138615A (en) * 1974-09-28 1976-03-31 Mitsubishi Electric Corp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4962918A (en) * 1972-06-13 1974-06-18
JPS5138615A (en) * 1974-09-28 1976-03-31 Mitsubishi Electric Corp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6173592A (en) * 1984-09-14 1986-04-15 Hitachi Ltd Vibration suppressing controlling method of ac motor
JPH0528078B2 (en) * 1984-09-14 1993-04-23 Hitachi Ltd
JPS6277091A (en) * 1985-09-25 1987-04-09 Mitsubishi Electric Corp Driving device for induction motor

Also Published As

Publication number Publication date
JPS5629479B2 (en) 1981-07-08

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