NL7900594A - SAFETY DEVICE FOR DETECTION OF AN ELECTRICAL INSULATION FAULT BETWEEN TWO WIRES OF THE POWER CHAIN OF A MACHINE. - Google Patents

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

Info

Publication number
NL7900594A
NL7900594A NL7900594A NL7900594A NL7900594A NL 7900594 A NL7900594 A NL 7900594A NL 7900594 A NL7900594 A NL 7900594A NL 7900594 A NL7900594 A NL 7900594A NL 7900594 A NL7900594 A NL 7900594A
Authority
NL
Netherlands
Prior art keywords
wires
detection
machine
safety device
electrical insulation
Prior art date
Application number
NL7900594A
Other languages
Dutch (nl)
Original Assignee
Henri Parrier Jean Parrier En
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 Henri Parrier Jean Parrier En filed Critical Henri Parrier Jean Parrier En
Publication of NL7900594A publication Critical patent/NL7900594A/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)
NL7900594A 1978-01-26 1979-01-25 SAFETY DEVICE FOR DETECTION OF AN ELECTRICAL INSULATION FAULT BETWEEN TWO WIRES OF THE POWER CHAIN OF A MACHINE. NL7900594A (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
NL7900594A true NL7900594A (en) 1979-07-30

Family

ID=9204154

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7900594A NL7900594A (en) 1978-01-26 1979-01-25 SAFETY DEVICE FOR DETECTION OF AN ELECTRICAL INSULATION FAULT BETWEEN TWO WIRES OF THE POWER CHAIN 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
SE7900663L (en) 1979-07-27
BE873751A (en) 1979-05-16
IT7919652A0 (en) 1979-01-26
FR2415894B2 (en) 1986-01-17
IT1109789B (en) 1985-12-23
DK32779A (en) 1979-07-27
FR2415894A2 (en) 1979-08-24

Similar Documents

Publication Publication Date Title
NL7800797A (en) CONNECTOR FOR ELECTRIC WIRES.
DK81780A (en) FIRE SAFETY UNIT FOR ELECTRIC CABLES
AR212710A1 (en) ELECTRIC MOTOR FORCE GENERATOR DEVICE
NO802246L (en) CONTACT-MAKING CONNECTOR FOR AN ELECTRIC WELDING WIRELESS CABLE.
NL7801051A (en) ELECTRICAL CONNECTION DEVICE FOR USE WITH CABLES WITH SOME CONDUCTORS.
NL7611577A (en) PROTECTION SYSTEM FOR AN ELECTRIC MOTOR.
NL7607544A (en) ANTI-TORDERING DEVICE FOR AN ELECTRIC CORD.
NO152889C (en) ELECTRIC GENERATOR DEVICE.
NL7808093A (en) CONNECTOR FOR THE STATOR WINDING OF AN ELECTRICAL MACHINE.
ES528284A0 (en) SAFETY DEVICE FOR ELECTRICAL CONNECTION, IN PARTICULAR FOR EXPLOSIVE ATMOSPHERE
IT1086988B (en) CURRENT SOCKET DEVICE FOR ROTOR ROTOR ELECTRIC MACHINE USING SUCH DEVICES
NL184247B (en) CONNECTING DEVICE FOR AN ELECTRICAL DEVICE.
NL7601119A (en) BREAKER FOR CONNECTION CABLE.
ZA76589B (en) Safety device for detecting insulation faults on an electrical appliance
NL7603737A (en) LONGITUDINAL BARRIER FOR ELECTRICAL TRANSPORT CABLE.
NO159969C (en) ELECTRICAL PROTECTION DEVICE FOR MONITORING OF REFORMED ASYNCHRONIC MOTORS.
NL7900594A (en) SAFETY DEVICE FOR DETECTION OF AN ELECTRICAL INSULATION FAULT BETWEEN TWO WIRES OF THE POWER CHAIN OF A MACHINE.
NO156468C (en) ELECTRIC CABLE PROTECTED FROM MOISTURE.
BE848235A (en) SAFETY ELECTRICAL CONNECTOR,
NL7804447A (en) WATER-THREED-FREE ELECTRIC POWER CABLE AND METHOD FOR MANUFACTURING SUCH CABLE.
NL7701808A (en) CONNECTION ELEMENT FOR ELECTRICAL CABLE CONNECTIONS.
NL7602286A (en) ELECTRIC BRAKE DEVICE FOR AN AC MOTOR.
NO141871C (en) VULCANIZABLE SEMI-CONDUCTING INSULATION SHELTER FOR ELECTRIC conductors.
NL7601260A (en) PROTECTION DEVICE FOR AN ELECTRIC MACHINE OR TRANSFORMER OF HIGH POWER.
NL175960C (en) CABLE LIMIT-LOCKING LUMINAIRE FOR A ONE-WIRED HIGH-VOLTAGE POWER CORD.

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed
BV The patent application has lapsed