IT1109789B - SAFETY DEVICE FOR THE IDENTIFICATION OF AN ELECTRIC INSULATION DEFECT BETWEEN TWO WIRES IN THE POWER CIRCUIT OF A MACHINE - Google Patents

SAFETY DEVICE FOR THE IDENTIFICATION OF AN ELECTRIC INSULATION DEFECT BETWEEN TWO WIRES IN THE POWER CIRCUIT OF A MACHINE

Info

Publication number
IT1109789B
IT1109789B IT19652/79A IT1965279A IT1109789B IT 1109789 B IT1109789 B IT 1109789B IT 19652/79 A IT19652/79 A IT 19652/79A IT 1965279 A IT1965279 A IT 1965279A IT 1109789 B IT1109789 B IT 1109789B
Authority
IT
Italy
Prior art keywords
wires
identification
machine
safety device
power circuit
Prior art date
Application number
IT19652/79A
Other languages
Italian (it)
Other versions
IT7919652A0 (en
Original Assignee
Parrier Andre
Parrier Henri
Parrier Jean
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, Parrier Jean filed Critical Parrier Andre
Publication of IT7919652A0 publication Critical patent/IT7919652A0/en
Application granted granted Critical
Publication of IT1109789B publication Critical patent/IT1109789B/en

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 OR 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 OR 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 SAFETY DEVICE FOR THE IDENTIFICATION OF AN ELECTRIC INSULATION DEFECT BETWEEN TWO WIRES IN THE POWER CIRCUIT OF A MACHINE IT1109789B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7802975A FR2415894B2 (en) 1978-01-26 1978-01-26 SAFETY DEVICE FOR DETECTING A FAULT IN ELECTRICAL INSULATION BETWEEN TWO WIRES OF THE POWER SUPPLY CIRCUIT OF A MACHINE

Publications (2)

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

Family

ID=9204154

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19652/79A IT1109789B (en) 1978-01-26 1979-01-26 SAFETY DEVICE FOR THE IDENTIFICATION OF AN ELECTRIC INSULATION DEFECT BETWEEN TWO WIRES IN THE POWER CIRCUIT OF A MACHINE

Country Status (6)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468130A1 (en) * 1979-10-23 1981-04-30 Sfec Mains isolation fault detector - has rectifier bridge and circuit activating relay connected to light emitting diode when leakage exceeds threshold

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 (en) * 1962-10-13
AT308225B (en) * 1968-11-15 1973-06-25 Felten & Guilleaume Schaltanl Protective circuit for portable consumer devices connected to earthed networks
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 (en) * 1976-12-14 1978-07-13 Parrier Andre Electronic insulation fault detection system - is for electrical machine and has self supervising circuit for detecting faults in protection circuit

Also Published As

Publication number Publication date
BE873751A (en) 1979-05-16
FR2415894B2 (en) 1986-01-17
FR2415894A2 (en) 1979-08-24
IT7919652A0 (en) 1979-01-26
SE7900663L (en) 1979-07-27
DK32779A (en) 1979-07-27
NL7900594A (en) 1979-07-30

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