CH396173A - Schutzschaltung für ein mit Antriebsmotor ausgestattetes System - Google Patents

Schutzschaltung für ein mit Antriebsmotor ausgestattetes System

Info

Publication number
CH396173A
CH396173A CH1185661A CH1185661A CH396173A CH 396173 A CH396173 A CH 396173A CH 1185661 A CH1185661 A CH 1185661A CH 1185661 A CH1185661 A CH 1185661A CH 396173 A CH396173 A CH 396173A
Authority
CH
Switzerland
Prior art keywords
drive motor
protective circuit
system equipped
protective
circuit
Prior art date
Application number
CH1185661A
Other languages
English (en)
Inventor
Andersen Erik
Original Assignee
Danfoss Ved Ing M Clausen
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 Danfoss Ved Ing M Clausen filed Critical Danfoss Ved Ing M Clausen
Publication of CH396173A publication Critical patent/CH396173A/de

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed
    • H01H43/30—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed with timing of actuation of contacts due to thermal action
    • H01H43/301—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material
    • H01H43/302—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies
    • H01H43/304—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies of two bodies expanding or contracting in a different manner, e.g. bimetallic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/027—Details with automatic disconnection after a predetermined time
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
    • 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
    • H02H5/08—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 abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H02H5/086—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 abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays of cooling or lubricating fluids

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Protection Of Generators And Motors (AREA)
  • Motor And Converter Starters (AREA)
CH1185661A 1960-10-19 1961-10-12 Schutzschaltung für ein mit Antriebsmotor ausgestattetes System CH396173A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED34560A DE1133807B (de) 1960-10-19 1960-10-19 Zeitschalter mit stromabhaengigem Verzoegerungsglied

Publications (1)

Publication Number Publication Date
CH396173A true CH396173A (de) 1965-07-31

Family

ID=7042241

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1185661A CH396173A (de) 1960-10-19 1961-10-12 Schutzschaltung für ein mit Antriebsmotor ausgestattetes System

Country Status (4)

Country Link
US (1) US3200294A (de)
CH (1) CH396173A (de)
DE (1) DE1133807B (de)
GB (1) GB1001641A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101241814B (zh) * 2007-11-13 2010-08-11 王德钰 有线电视人工识别电动双线切换两组信号选通多户开关盒

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE596044C (de) * 1929-04-13 1934-04-26 Krogsgaard & Becker Schutzeinrichtung fuer elektrische Anlagen
CH178668A (de) * 1933-10-07 1935-07-31 Bbc Brown Boveri & Cie Schutzschaltung gegen die Gefahr bei Berührung von Stromverbrauchern.
DE825863C (de) * 1949-05-11 1951-12-20 Siemens Schuckertwerke A G Drehstromleitungswaechter, vorzugsweise fuer Schraemantriebe
US2697195A (en) * 1953-01-02 1954-12-14 Westinghouse Electric Corp Motor protection circuit
US2818535A (en) * 1955-08-01 1957-12-31 Westinghouse Electric Corp Safety control circuits for electric motors

Also Published As

Publication number Publication date
US3200294A (en) 1965-08-10
GB1001641A (en) 1965-08-18
DE1133807B (de) 1962-07-26

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