IT1126945B - Impianto di protezione di macchina contro interruzioni momentanee di una rete elettrica - Google Patents

Impianto di protezione di macchina contro interruzioni momentanee di una rete elettrica

Info

Publication number
IT1126945B
IT1126945B IT47928/80A IT4792880A IT1126945B IT 1126945 B IT1126945 B IT 1126945B IT 47928/80 A IT47928/80 A IT 47928/80A IT 4792880 A IT4792880 A IT 4792880A IT 1126945 B IT1126945 B IT 1126945B
Authority
IT
Italy
Prior art keywords
protection system
system against
electricity network
machine protection
momentary interruptions
Prior art date
Application number
IT47928/80A
Other languages
English (en)
Italian (it)
Other versions
IT8047928A0 (it
Inventor
Gilles Dechelette
Original Assignee
Hennequin & Cie 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 Hennequin & Cie Sa filed Critical Hennequin & Cie Sa
Publication of IT8047928A0 publication Critical patent/IT8047928A0/it
Application granted granted Critical
Publication of IT1126945B publication Critical patent/IT1126945B/it

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
    • H02H3/44—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 the rate of change of electrical quantities
    • 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
    • H02H3/24—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 undervoltage or no-voltage
IT47928/80A 1979-02-20 1980-02-18 Impianto di protezione di macchina contro interruzioni momentanee di una rete elettrica IT1126945B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7904776A FR2449993A1 (fr) 1979-02-20 1979-02-20 Systeme de protection d'une machine couplee a un reseau electrique

Publications (2)

Publication Number Publication Date
IT8047928A0 IT8047928A0 (it) 1980-02-18
IT1126945B true IT1126945B (it) 1986-05-21

Family

ID=9222421

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47928/80A IT1126945B (it) 1979-02-20 1980-02-18 Impianto di protezione di macchina contro interruzioni momentanee di una rete elettrica

Country Status (3)

Country Link
BE (1) BE881798A (enrdf_load_stackoverflow)
FR (1) FR2449993A1 (enrdf_load_stackoverflow)
IT (1) IT1126945B (enrdf_load_stackoverflow)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213323A (en) * 1962-10-16 1965-10-19 Westinghouse Electric Corp Breaker tripping signal circuit
BE662938A (fr) * 1965-04-23 1965-10-25 Acec Relais détecteur de courts-circuits sur des lignes de traction à courant continu
DE1538416B2 (de) * 1966-12-08 1970-05-27 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Auslöseeinrichtung für Schnellschaltgeräte
US3673455A (en) * 1970-11-18 1972-06-27 Gen Electric High speed sensor for initiating circuit breaker tripping
FR2255608A1 (en) * 1973-12-21 1975-07-18 Auray Didier Rapid detection system for short circuits - determines current curve curvature to detect short circuits

Also Published As

Publication number Publication date
IT8047928A0 (it) 1980-02-18
FR2449993B1 (enrdf_load_stackoverflow) 1983-02-11
FR2449993A1 (fr) 1980-09-19
BE881798A (fr) 1980-06-16

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