NL7217420A - - Google Patents

Info

Publication number
NL7217420A
NL7217420A NL7217420A NL7217420A NL7217420A NL 7217420 A NL7217420 A NL 7217420A NL 7217420 A NL7217420 A NL 7217420A NL 7217420 A NL7217420 A NL 7217420A NL 7217420 A NL7217420 A NL 7217420A
Authority
NL
Netherlands
Application number
NL7217420A
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
Publication of NL7217420A publication Critical patent/NL7217420A/xx

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
    • H02H7/085—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 against excessive load
    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
NL7217420A 1971-12-27 1972-12-20 NL7217420A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL38457A IL38457A (en) 1971-12-27 1971-12-27 Overload interrupt systems for three-phase induction motor

Publications (1)

Publication Number Publication Date
NL7217420A true NL7217420A (enrdf_load_stackoverflow) 1973-06-29

Family

ID=11046269

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7217420A NL7217420A (enrdf_load_stackoverflow) 1971-12-27 1972-12-20

Country Status (12)

Country Link
AT (1) AT324475B (enrdf_load_stackoverflow)
AU (1) AU466358B2 (enrdf_load_stackoverflow)
BE (1) BE793355A (enrdf_load_stackoverflow)
CH (1) CH547025A (enrdf_load_stackoverflow)
DE (1) DE2260786A1 (enrdf_load_stackoverflow)
ES (1) ES410087A1 (enrdf_load_stackoverflow)
FR (1) FR2165985B1 (enrdf_load_stackoverflow)
GB (1) GB1423158A (enrdf_load_stackoverflow)
IL (1) IL38457A (enrdf_load_stackoverflow)
NL (1) NL7217420A (enrdf_load_stackoverflow)
RO (1) RO64898A (enrdf_load_stackoverflow)
ZA (1) ZA728249B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704820A1 (de) * 1977-02-05 1978-08-17 Eller Vertriebs Ingbuero Ueberlastschutzschaltung fuer elektrische motoren
DE3617452A1 (de) * 1986-05-23 1987-11-26 Klein Schanzlin & Becker Ag Verfahren zur ueberwachung einer asynchronmaschine

Also Published As

Publication number Publication date
ES410087A1 (es) 1975-12-01
ZA728249B (en) 1973-08-29
AU466358B2 (en) 1975-10-30
AU4923072A (en) 1974-05-23
AT324475B (de) 1975-09-10
FR2165985A1 (enrdf_load_stackoverflow) 1973-08-10
FR2165985B1 (enrdf_load_stackoverflow) 1977-04-22
IL38457A0 (en) 1972-02-29
IL38457A (en) 1975-02-10
GB1423158A (en) 1976-01-28
BE793355A (fr) 1973-04-16
RO64898A (fr) 1979-07-15
DE2260786A1 (de) 1973-07-05
CH547025A (de) 1974-03-15

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Legal Events

Date Code Title Description
BV The patent application has lapsed