JPS5027561B1 - - Google Patents

Info

Publication number
JPS5027561B1
JPS5027561B1 JP45064798A JP6479870A JPS5027561B1 JP S5027561 B1 JPS5027561 B1 JP S5027561B1 JP 45064798 A JP45064798 A JP 45064798A JP 6479870 A JP6479870 A JP 6479870A JP S5027561 B1 JPS5027561 B1 JP S5027561B1
Authority
JP
Japan
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
JP45064798A
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 filed Critical
Priority to JP45064798A priority Critical patent/JPS5027561B1/ja
Priority to US165559A priority patent/US3678361A/en
Publication of JPS5027561B1 publication Critical patent/JPS5027561B1/ja
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
    • 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
    • H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
    • H02P1/28—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by progressive increase of voltage applied to primary circuit of motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor And Converter Starters (AREA)
JP45064798A 1970-07-25 1970-07-25 Pending JPS5027561B1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP45064798A JPS5027561B1 (ja) 1970-07-25 1970-07-25
US165559A US3678361A (en) 1970-07-25 1971-07-23 Starting control for an a.c. electric motor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45064798A JPS5027561B1 (ja) 1970-07-25 1970-07-25

Publications (1)

Publication Number Publication Date
JPS5027561B1 true JPS5027561B1 (ja) 1975-09-09

Family

ID=13268604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45064798A Pending JPS5027561B1 (ja) 1970-07-25 1970-07-25

Country Status (2)

Country Link
US (1) US3678361A (ja)
JP (1) JPS5027561B1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860861A (en) * 1971-12-27 1975-01-14 Potter Instrument Co Inc Disk drive head positioning servo including temperature responsive safety means

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1613734B2 (de) * 1967-10-07 1971-12-02 Danfoss A/S, Nordborg (Dänemark) Uebertemperaturschutz fuer die wicklung von wechselstrommo toren
US3569781A (en) * 1968-12-30 1971-03-09 Texas Instruments Inc Motor protection circuit
US3538411A (en) * 1969-10-10 1970-11-03 Gilbert Knauer Starting switch circuit for single phase electric motors
US3582740A (en) * 1969-10-30 1971-06-01 Emerson Electric Co Reversible speed dc motor controller utilizing resonant field reversal

Also Published As

Publication number Publication date
US3678361A (en) 1972-07-18

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