JPS5350422A - Ac motor drive system - Google Patents

Ac motor drive system

Info

Publication number
JPS5350422A
JPS5350422A JP12514076A JP12514076A JPS5350422A JP S5350422 A JPS5350422 A JP S5350422A JP 12514076 A JP12514076 A JP 12514076A JP 12514076 A JP12514076 A JP 12514076A JP S5350422 A JPS5350422 A JP S5350422A
Authority
JP
Japan
Prior art keywords
drive system
motor drive
carrier frequency
frequency voltage
abnormal
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
JP12514076A
Other languages
Japanese (ja)
Inventor
Masayoshi Kumano
Yoshio Terano
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.)
Mitsubishi Electric Corp
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 JP12514076A priority Critical patent/JPS5350422A/en
Publication of JPS5350422A publication Critical patent/JPS5350422A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: To permit abnormal mechanical vibrations of the motor to be quickly stopped by modulating carrier frequency voltage with a power source frequency voltage to produce an output waveform of a drive inverter and varying the carrier frequency according to the abnormal vibrations.
COPYRIGHT: (C)1978,JPO&Japio
JP12514076A 1976-10-18 1976-10-18 Ac motor drive system Pending JPS5350422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12514076A JPS5350422A (en) 1976-10-18 1976-10-18 Ac motor drive system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12514076A JPS5350422A (en) 1976-10-18 1976-10-18 Ac motor drive system

Publications (1)

Publication Number Publication Date
JPS5350422A true JPS5350422A (en) 1978-05-08

Family

ID=14902842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12514076A Pending JPS5350422A (en) 1976-10-18 1976-10-18 Ac motor drive system

Country Status (1)

Country Link
JP (1) JPS5350422A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60118062A (en) * 1983-11-28 1985-06-25 Matsushita Electric Ind Co Ltd Pwm inverter device
JPS6115590A (en) * 1984-06-28 1986-01-23 Daikin Ind Ltd Vibration reducing unit of rotary compressor
JPS61105047A (en) * 1984-10-26 1986-05-23 Matsushita Electric Ind Co Ltd Air conditioner containing pwm inverter
JPS61177172A (en) * 1985-01-30 1986-08-08 Toyo Electric Mfg Co Ltd Pwm inverter controller
JPS61162300U (en) * 1985-03-28 1986-10-07
JPS61237947A (en) * 1985-04-12 1986-10-23 Matsushita Seiko Co Ltd Ventilating fan
US6704212B2 (en) 2002-01-30 2004-03-09 Hitachi, Ltd. PWM inverter with long carrier wave insertion

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60118062A (en) * 1983-11-28 1985-06-25 Matsushita Electric Ind Co Ltd Pwm inverter device
JPS6115590A (en) * 1984-06-28 1986-01-23 Daikin Ind Ltd Vibration reducing unit of rotary compressor
JPS61105047A (en) * 1984-10-26 1986-05-23 Matsushita Electric Ind Co Ltd Air conditioner containing pwm inverter
JPS61177172A (en) * 1985-01-30 1986-08-08 Toyo Electric Mfg Co Ltd Pwm inverter controller
JPS61162300U (en) * 1985-03-28 1986-10-07
JPS61237947A (en) * 1985-04-12 1986-10-23 Matsushita Seiko Co Ltd Ventilating fan
US6704212B2 (en) 2002-01-30 2004-03-09 Hitachi, Ltd. PWM inverter with long carrier wave insertion
DE10237882B4 (en) 2002-01-30 2018-06-28 Hitachi, Ltd. Pulse Width Modulation, Voltage Transformer and Inverter

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