FR2152330A5 - - Google Patents

Info

Publication number
FR2152330A5
FR2152330A5 FR7234654A FR7234654A FR2152330A5 FR 2152330 A5 FR2152330 A5 FR 2152330A5 FR 7234654 A FR7234654 A FR 7234654A FR 7234654 A FR7234654 A FR 7234654A FR 2152330 A5 FR2152330 A5 FR 2152330A5
Authority
FR
France
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.)
Expired
Application number
FR7234654A
Other languages
French (fr)
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of FR2152330A5 publication Critical patent/FR2152330A5/fr
Expired 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
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/46—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual synchronous motor
    • H02P1/52—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual synchronous motor by progressive increase of frequency of supply to motor
    • 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 Motors That Do Not Use Commutators (AREA)
  • Control Of Ac Motors In General (AREA)
FR7234654A 1971-10-01 1972-09-29 Expired FR2152330A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46076341A JPS4842317A (en) 1971-10-01 1971-10-01

Publications (1)

Publication Number Publication Date
FR2152330A5 true FR2152330A5 (en) 1973-04-20

Family

ID=13602640

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7234654A Expired FR2152330A5 (en) 1971-10-01 1972-09-29

Country Status (3)

Country Link
JP (1) JPS4842317A (en)
CA (1) CA980411A (en)
FR (1) FR2152330A5 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53104895A (en) * 1977-02-24 1978-09-12 Sanken Electric Co Ltd Oxide voltage nonnlinear resistance body
JPS53104896A (en) * 1977-02-24 1978-09-12 Sanken Electric Co Ltd Oxide voltage nonnlinear resistance body

Also Published As

Publication number Publication date
DE2247867B2 (en) 1977-03-03
JPS4842317A (en) 1973-06-20
CA980411A (en) 1975-12-23
DE2247867A1 (en) 1973-04-19

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Legal Events

Date Code Title Description
ST Notification of lapse