CH625917A5 - - Google Patents

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Publication number
CH625917A5
CH625917A5 CH97178A CH97178A CH625917A5 CH 625917 A5 CH625917 A5 CH 625917A5 CH 97178 A CH97178 A CH 97178A CH 97178 A CH97178 A CH 97178A CH 625917 A5 CH625917 A5 CH 625917A5
Authority
CH
Switzerland
Prior art keywords
current
overload protection
delay
protection circuit
resistor
Prior art date
Application number
CH97178A
Other languages
German (de)
English (en)
Inventor
Fritz-Dieter Eller
Guenter Froehlich
Original Assignee
Eller Vertriebs Ingbuero
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 Eller Vertriebs Ingbuero filed Critical Eller Vertriebs Ingbuero
Publication of CH625917A5 publication Critical patent/CH625917A5/de

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means

Landscapes

  • Protection Of Generators And Motors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Multiple Motors (AREA)
  • Motor And Converter Starters (AREA)
CH97178A 1977-02-05 1978-01-30 CH625917A5 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772704820 DE2704820A1 (de) 1977-02-05 1977-02-05 Ueberlastschutzschaltung fuer elektrische motoren

Publications (1)

Publication Number Publication Date
CH625917A5 true CH625917A5 (fi) 1981-10-15

Family

ID=6000428

Family Applications (1)

Application Number Title Priority Date Filing Date
CH97178A CH625917A5 (fi) 1977-02-05 1978-01-30

Country Status (6)

Country Link
US (1) US4156262A (fi)
JP (2) JPS53124742A (fi)
CH (1) CH625917A5 (fi)
DE (1) DE2704820A1 (fi)
FR (1) FR2379929A1 (fi)
GB (1) GB1598261A (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219859A (en) * 1979-01-11 1980-08-26 Rte Corporation Multiple range inverse time overcurrent relay
US4240072A (en) * 1979-03-19 1980-12-16 Research Products Corporation Load indicator for an air cleaner
US4331999A (en) * 1980-04-15 1982-05-25 Westinghouse Electric Corp. Circuit interrupter with digital trip unit and power supply
US4764744A (en) * 1987-12-17 1988-08-16 General Electric Company Overload relay having adjustably gapped current transformers
US4839770A (en) * 1988-01-25 1989-06-13 S&C Electric Company Control circuit with validity-determining arrangement
DE8904581U1 (fi) * 1989-04-12 1989-05-24 Euba-Antriebstechnik Eller Gmbh, 4300 Essen, De
JP4823499B2 (ja) * 2004-07-23 2011-11-24 勝行 戸津 ブラシレスモータ駆動回転工具の制御方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB617417A (en) * 1946-05-17 1949-02-07 Harold Honey A thermionic relay for the protection of electrical circuits
GB981752A (en) * 1960-06-09 1965-01-27 English Electric Co Ltd Improvements in or relating to electrical protective relays
GB1062154A (en) * 1962-09-14 1967-03-15 English Electric Co Ltd Polyphase protective relay circuits
FR1477145A (fr) * 1965-04-23 1967-04-14 Reyrolle A & Co Ltd Perfectionnements aux circuits électriques sensibles aux intensités
US3544846A (en) * 1968-02-28 1970-12-01 Westinghouse Electric Corp Time delay circuit for electric network protection
IL38457A (en) * 1971-12-27 1975-02-10 Hagiz G Overload interrupt systems for three-phase induction motor
CA1006606A (en) * 1972-05-22 1977-03-08 Katsuyuki Totsu Motor-driven screw driver with automatic stopping means
US3846675A (en) * 1973-01-30 1974-11-05 Westinghouse Electric Corp Molded case circuit breakers utilizing saturating current transformers
FR2266344A1 (en) * 1974-03-28 1975-10-24 Do Pk Electric motor protection cct. - has rectifier in one current supply phase for measuring current through motor
FR2342571A1 (fr) * 1976-02-24 1977-09-23 Klaxon Sa Dispositif de securite contre les surintensites d'un moteur electrique a courant continu

Also Published As

Publication number Publication date
DE2704820A1 (de) 1978-08-17
US4156262A (en) 1979-05-22
JPS53124742A (en) 1978-10-31
FR2379929B1 (fi) 1982-11-12
FR2379929A1 (fr) 1978-09-01
GB1598261A (en) 1981-09-16
JPS57118628U (fi) 1982-07-23
JPS639226Y2 (fi) 1988-03-18

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Legal Events

Date Code Title Description
PL Patent ceased