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JPS52142223A - Synchronous motor driving equipment - Google Patents

Synchronous motor driving equipment

Info

Publication number
JPS52142223A
JPS52142223A JP5877476A JP5877476A JPS52142223A JP S52142223 A JPS52142223 A JP S52142223A JP 5877476 A JP5877476 A JP 5877476A JP 5877476 A JP5877476 A JP 5877476A JP S52142223 A JPS52142223 A JP S52142223A
Authority
JP
Japan
Prior art keywords
synchronous motor
motor driving
driving equipment
frequency
driving
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
JP5877476A
Other languages
Japanese (ja)
Inventor
Yasuhiro Saito
Katsuhiko Ishimi
Toshiyuki Saruta
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP5877476A priority Critical patent/JPS52142223A/en
Priority to DE19772721855 priority patent/DE2721855A1/en
Priority to GB21469/77A priority patent/GB1573518A/en
Publication of JPS52142223A publication Critical patent/JPS52142223A/en
Priority to SG44482A priority patent/SG44482G/en
Priority to HK512/82A priority patent/HK51282A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements 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
    • H02P25/022—Synchronous motors
    • H02P25/024—Synchronous motors controlled by supply frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: To decrease a loss at a lower speed zone and to improve characteristics by controlling an putput voltage of a variable frequency AC power source driving a synchronous motor based upon high or low of a frequency relating to a driving speed of motor.
COPYRIGHT: (C)1977,JPO&Japio
JP5877476A 1976-05-21 1976-05-21 Synchronous motor driving equipment Pending JPS52142223A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP5877476A JPS52142223A (en) 1976-05-21 1976-05-21 Synchronous motor driving equipment
DE19772721855 DE2721855A1 (en) 1976-05-21 1977-05-14 CONTROL FOR A SYNCHRONOUS MOTOR
GB21469/77A GB1573518A (en) 1976-05-21 1977-05-20 Synchronous electric motor control arrangements
SG44482A SG44482G (en) 1976-05-21 1982-09-11 Improvements in or relating to synchronous electric motor control arrangements
HK512/82A HK51282A (en) 1976-05-21 1982-11-25 Improvements in or relating to synchronous electric motor control arrangements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5877476A JPS52142223A (en) 1976-05-21 1976-05-21 Synchronous motor driving equipment

Publications (1)

Publication Number Publication Date
JPS52142223A true JPS52142223A (en) 1977-11-28

Family

ID=13093885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5877476A Pending JPS52142223A (en) 1976-05-21 1976-05-21 Synchronous motor driving equipment

Country Status (5)

Country Link
JP (1) JPS52142223A (en)
DE (1) DE2721855A1 (en)
GB (1) GB1573518A (en)
HK (1) HK51282A (en)
SG (1) SG44482G (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132838A (en) * 1982-12-15 1984-07-11 Griffiths Mavis Synchronous electric motor control
GB2489412A (en) * 2011-03-25 2012-10-03 Technelec Ltd Low speed control of synchronous machines

Also Published As

Publication number Publication date
GB1573518A (en) 1980-08-28
SG44482G (en) 1983-02-25
HK51282A (en) 1982-12-03
DE2721855A1 (en) 1977-12-01

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