BE873751A - SAFETY DEVICE FOR DETECTION OF AN ELECTRICAL INSULATION FAULT BETWEEN TWO WIRES OF THE POWER SUPPLY CIRCUIT OF A MACHINE - Google Patents

SAFETY DEVICE FOR DETECTION OF AN ELECTRICAL INSULATION FAULT BETWEEN TWO WIRES OF THE POWER SUPPLY CIRCUIT OF A MACHINE

Info

Publication number
BE873751A
BE873751A BE193114A BE193114A BE873751A BE 873751 A BE873751 A BE 873751A BE 193114 A BE193114 A BE 193114A BE 193114 A BE193114 A BE 193114A BE 873751 A BE873751 A BE 873751A
Authority
BE
Belgium
Prior art keywords
wires
detection
machine
power supply
supply circuit
Prior art date
Application number
BE193114A
Other languages
French (fr)
Original Assignee
Parrier Andre
Parrier Henri & Parrier Jet
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 Jet filed Critical Parrier Andre
Publication of BE873751A publication Critical patent/BE873751A/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)
BE193114A 1978-01-26 1979-01-26 SAFETY DEVICE FOR DETECTION OF AN ELECTRICAL INSULATION FAULT BETWEEN TWO WIRES OF THE POWER SUPPLY CIRCUIT OF A MACHINE BE873751A (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 (1)

Publication Number Publication Date
BE873751A true BE873751A (en) 1979-05-16

Family

ID=9204154

Family Applications (1)

Application Number Title Priority Date Filing Date
BE193114A BE873751A (en) 1978-01-26 1979-01-26 SAFETY DEVICE FOR DETECTION OF AN ELECTRICAL INSULATION FAULT BETWEEN TWO WIRES OF THE POWER SUPPLY 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
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
IT1109789B (en) 1985-12-23
NL7900594A (en) 1979-07-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PARRIER JEAN

Effective date: 19880131

Owner name: PARRIER ANDRE

Effective date: 19880131

Owner name: PARRIER HENRI

Effective date: 19880131