IT7919652A0 - Dispositivo di sicurezza perl'individuazione di un difetto di isolamento elettrico fra due fili del circuito di alimentazione di una macchina. - Google Patents

Dispositivo di sicurezza perl'individuazione di un difetto di isolamento elettrico fra due fili del circuito di alimentazione di una macchina.

Info

Publication number
IT7919652A0
IT7919652A0 IT7919652A IT1965279A IT7919652A0 IT 7919652 A0 IT7919652 A0 IT 7919652A0 IT 7919652 A IT7919652 A IT 7919652A IT 1965279 A IT1965279 A IT 1965279A IT 7919652 A0 IT7919652 A0 IT 7919652A0
Authority
IT
Italy
Prior art keywords
wires
identifying
machine
safety device
power circuit
Prior art date
Application number
IT7919652A
Other languages
English (en)
Other versions
IT1109789B (it
Original Assignee
Parrier Andre Parrier Henri
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 Parrier Andre Parrier Henri filed Critical Parrier Andre Parrier Henri
Publication of IT7919652A0 publication Critical patent/IT7919652A0/it
Application granted granted Critical
Publication of IT1109789B publication Critical patent/IT1109789B/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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/162—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 fault current to earth, frame or mass for AC systems
    • H02H3/165—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 fault current to earth, frame or mass for AC systems for three-phase systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT19652/79A 1978-01-26 1979-01-26 Dispositivo di sicurezza per l'individuazione di un difetto di isolamento elettrico fra due fili del circuito di alimentazione di una macchina IT1109789B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7802975A FR2415894B2 (fr) 1978-01-26 1978-01-26 Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine

Publications (2)

Publication Number Publication Date
IT7919652A0 true IT7919652A0 (it) 1979-01-26
IT1109789B IT1109789B (it) 1985-12-23

Family

ID=9204154

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19652/79A IT1109789B (it) 1978-01-26 1979-01-26 Dispositivo di sicurezza per l'individuazione di un difetto di isolamento elettrico fra due fili del circuito di alimentazione di una macchina

Country Status (6)

Country Link
BE (1) BE873751A (it)
DK (1) DK32779A (it)
FR (1) FR2415894B2 (it)
IT (1) IT1109789B (it)
NL (1) NL7900594A (it)
SE (1) SE7900663L (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468130A1 (fr) * 1979-10-23 1981-04-30 Sfec Dispositif de securite pour la detection d'un defaut d'isolement electrique sur une machine alimentee avec un neutre non relie a la masse machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262016A (en) * 1962-08-21 1966-07-19 United Aircraft Corp Load protector
BE638540A (it) * 1962-10-13
AT308225B (de) * 1968-11-15 1973-06-25 Felten & Guilleaume Schaltanl Schutzschaltung für an geerdete Netze angeschlossene ortsveränderliche Verbrauchsgeräte
US3699391A (en) * 1971-09-02 1972-10-17 Us Interior Reactor fault relay
US3959695A (en) * 1975-04-29 1976-05-25 Westinghouse Electric Corporation Circuit interrupter with ground fault trip control
FR2374762A2 (fr) * 1976-12-14 1978-07-13 Parrier Andre Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine

Also Published As

Publication number Publication date
IT1109789B (it) 1985-12-23
NL7900594A (nl) 1979-07-30
FR2415894B2 (fr) 1986-01-17
BE873751A (fr) 1979-05-16
DK32779A (da) 1979-07-27
FR2415894A2 (fr) 1979-08-24
SE7900663L (sv) 1979-07-27

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