JPS544313A - Speed control system of alternating current motor - Google Patents

Speed control system of alternating current motor

Info

Publication number
JPS544313A
JPS544313A JP6968077A JP6968077A JPS544313A JP S544313 A JPS544313 A JP S544313A JP 6968077 A JP6968077 A JP 6968077A JP 6968077 A JP6968077 A JP 6968077A JP S544313 A JPS544313 A JP S544313A
Authority
JP
Japan
Prior art keywords
control system
alternating current
speed control
current motor
gratituted
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
JP6968077A
Other languages
Japanese (ja)
Other versions
JPS5639159B2 (en
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 JP6968077A priority Critical patent/JPS544313A/en
Publication of JPS544313A publication Critical patent/JPS544313A/en
Publication of JPS5639159B2 publication Critical patent/JPS5639159B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Motor And Converter Starters (AREA)
  • Control Of Ac Motors In General (AREA)
  • Inverter Devices (AREA)

Abstract

PURPOSE: Toform to secure the required torque in whole speed range, by switching a plurality number of frequency instruction circuits which have respectively differed characteristics of input to output, corresponding to the gratituted of speed setting signal.
COPYRIGHT: (C)1979,JPO&Japio
JP6968077A 1977-06-13 1977-06-13 Speed control system of alternating current motor Granted JPS544313A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6968077A JPS544313A (en) 1977-06-13 1977-06-13 Speed control system of alternating current motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6968077A JPS544313A (en) 1977-06-13 1977-06-13 Speed control system of alternating current motor

Publications (2)

Publication Number Publication Date
JPS544313A true JPS544313A (en) 1979-01-13
JPS5639159B2 JPS5639159B2 (en) 1981-09-10

Family

ID=13409806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6968077A Granted JPS544313A (en) 1977-06-13 1977-06-13 Speed control system of alternating current motor

Country Status (1)

Country Link
JP (1) JPS544313A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224587A (en) * 1982-06-21 1983-12-26 Mitsubishi Electric Corp Control system for induction motor
JPS61280778A (en) * 1985-06-05 1986-12-11 Miki Puurii Kk Motor controlling method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224587A (en) * 1982-06-21 1983-12-26 Mitsubishi Electric Corp Control system for induction motor
JPS61280778A (en) * 1985-06-05 1986-12-11 Miki Puurii Kk Motor controlling method

Also Published As

Publication number Publication date
JPS5639159B2 (en) 1981-09-10

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