DE556810C - Arrangement to protect motors with moving supply lines, such as crane motors, against line breakage - Google Patents

Arrangement to protect motors with moving supply lines, such as crane motors, against line breakage

Info

Publication number
DE556810C
DE556810C DEV27238D DEV0027238D DE556810C DE 556810 C DE556810 C DE 556810C DE V27238 D DEV27238 D DE V27238D DE V0027238 D DEV0027238 D DE V0027238D DE 556810 C DE556810 C DE 556810C
Authority
DE
Germany
Prior art keywords
motors
arrangement
supply lines
crane
line breakage
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.)
Expired
Application number
DEV27238D
Other languages
German (de)
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.)
Voigt and Haeffner AG
Original Assignee
Voigt and Haeffner AG
Publication date
Priority to DEV27238D priority Critical patent/DE556810C/en
Application granted granted Critical
Publication of DE556810C publication Critical patent/DE556810C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection

Landscapes

  • Control And Safety Of Cranes (AREA)

Description

Hierzu r Blatt ZeichnungenPlease refer to the sheet of drawings

Claims (1)

Patentanspruch :Claim: Anordnung zum Schutz von Motoren mit beweglichen Zuführungsleitungen, wie Kranmotoren, gegen Leitungsbruch, dadurch gekennzeichnet, daß hinter den zu schützenden Motoren unmittelbar an die Phasen angeschlossene Verbindungsleitungen zu den Polen der Hauptschalter führen und daß in diese Leitungen eingeschaltete Relais ■ die Motoren sofort abschalten, falls eines der Relais infolge Unterbrechung einer Phase zum Ansprechen kommt.Arrangement for the protection of motors with movable supply lines, such as crane motors, against line breakage, characterized in that immediately behind the motors to be protected the phases connected connecting lines lead to the poles of the main switch and that switched on in these lines Relay ■ Switch off the motors immediately if one of the relays to respond as a result of an interruption in a phase comes. *) Von dem Patenisucher ist als der Erfinder angegeben worden:*) The sponsor seeker stated as the inventor: Otto Bckoldt in Erfurt.Otto Bckoldt in Erfurt.
DEV27238D Arrangement to protect motors with moving supply lines, such as crane motors, against line breakage Expired DE556810C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEV27238D DE556810C (en) Arrangement to protect motors with moving supply lines, such as crane motors, against line breakage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV27238D DE556810C (en) Arrangement to protect motors with moving supply lines, such as crane motors, against line breakage

Publications (1)

Publication Number Publication Date
DE556810C true DE556810C (en) 1932-08-13

Family

ID=7583251

Family Applications (1)

Application Number Title Priority Date Filing Date
DEV27238D Expired DE556810C (en) Arrangement to protect motors with moving supply lines, such as crane motors, against line breakage

Country Status (1)

Country Link
DE (1) DE556810C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753230C (en) * 1938-07-15 1953-04-16 Ver Kaliwerke Salzdetfurth A G Protective circuit for three-phase consumers in connection with a contactor switch
DE1141426B (en) * 1960-07-20 1962-12-20 Deutsche Bundesbahn Protective circuit for movable crane systems with three-phase power supply without additional protective conductor
US3482146A (en) * 1966-12-28 1969-12-02 Texas Instruments Inc Overload and heat protective apparatus for three-phase motors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753230C (en) * 1938-07-15 1953-04-16 Ver Kaliwerke Salzdetfurth A G Protective circuit for three-phase consumers in connection with a contactor switch
DE1141426B (en) * 1960-07-20 1962-12-20 Deutsche Bundesbahn Protective circuit for movable crane systems with three-phase power supply without additional protective conductor
US3482146A (en) * 1966-12-28 1969-12-02 Texas Instruments Inc Overload and heat protective apparatus for three-phase motors

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