FR899460A - Method and device for controlling the functional characteristics of electrical machines and apparatus using time-delayed overload relays - Google Patents

Method and device for controlling the functional characteristics of electrical machines and apparatus using time-delayed overload relays

Info

Publication number
FR899460A
FR899460A FR899460DA FR899460A FR 899460 A FR899460 A FR 899460A FR 899460D A FR899460D A FR 899460DA FR 899460 A FR899460 A FR 899460A
Authority
FR
France
Prior art keywords
controlling
time
electrical machines
functional characteristics
overload relays
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
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.)
BBC Secheron SA
Original Assignee
Ateliers de Secheron SA
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 Ateliers de Secheron SA filed Critical Ateliers de Secheron SA
Application granted granted Critical
Publication of FR899460A publication Critical patent/FR899460A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/08—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 responsive to excess current
    • H02H3/085—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 responsive to excess current making use of a thermal sensor, e.g. thermistor, heated by the excess current
    • 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 operations 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 operations 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 operations 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 operations 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 operations 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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
FR899460D 1942-11-07 1943-11-06 Method and device for controlling the functional characteristics of electrical machines and apparatus using time-delayed overload relays Expired FR899460A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE251238X 1942-11-07

Publications (1)

Publication Number Publication Date
FR899460A true FR899460A (en) 1945-05-31

Family

ID=50928302

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899460D Expired FR899460A (en) 1942-11-07 1943-11-06 Method and device for controlling the functional characteristics of electrical machines and apparatus using time-delayed overload relays

Country Status (3)

Country Link
BE (1) BE453176A (en)
CH (1) CH251238A (en)
FR (1) FR899460A (en)

Also Published As

Publication number Publication date
CH251238A (en) 1947-10-15
BE453176A (en) 1943-12-31

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