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FR1372466A - Improved method and device for controlling the insulation from the earth of an AC electrical network - Google Patents

Improved method and device for controlling the insulation from the earth of an AC electrical network

Info

Publication number
FR1372466A
FR1372466A FR934462A FR934462A FR1372466A FR 1372466 A FR1372466 A FR 1372466A FR 934462 A FR934462 A FR 934462A FR 934462 A FR934462 A FR 934462A FR 1372466 A FR1372466 A FR 1372466A
Authority
FR
France
Prior art keywords
earth
insulation
controlling
electrical network
improved method
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR934462A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR934462A priority Critical patent/FR1372466A/en
Priority to DE19641463016 priority patent/DE1463016B1/en
Priority to BE647635D priority patent/BE647635A/fr
Application granted granted Critical
Publication of FR1372466A publication Critical patent/FR1372466A/en
Expired legal-status Critical Current

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
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
FR934462A 1963-05-10 1963-05-10 Improved method and device for controlling the insulation from the earth of an AC electrical network Expired FR1372466A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR934462A FR1372466A (en) 1963-05-10 1963-05-10 Improved method and device for controlling the insulation from the earth of an AC electrical network
DE19641463016 DE1463016B1 (en) 1963-05-10 1964-05-06 Circuit arrangement for monitoring the insulation of an alternating current system with an isolated zero point to earth
BE647635D BE647635A (en) 1963-05-10 1964-05-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR934462A FR1372466A (en) 1963-05-10 1963-05-10 Improved method and device for controlling the insulation from the earth of an AC electrical network

Publications (1)

Publication Number Publication Date
FR1372466A true FR1372466A (en) 1964-09-18

Family

ID=8803598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934462A Expired FR1372466A (en) 1963-05-10 1963-05-10 Improved method and device for controlling the insulation from the earth of an AC electrical network

Country Status (3)

Country Link
BE (1) BE647635A (en)
DE (1) DE1463016B1 (en)
FR (1) FR1372466A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454207A1 (en) * 1979-04-10 1980-11-07 Parrier Henri Safety circuit for electrical machinery - employs diode bridges to detect anomalies and drive amplifier controlled cut=outs
EP0122366A1 (en) * 1983-03-23 1984-10-24 Mitsubishi Denki Kabushiki Kaisha Apparatus for detecting ground fault in variable-voltage variable-frequency power system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19507060B4 (en) * 1995-03-01 2005-01-20 Gossen-Metrawatt Gmbh Method and device for checking protective measures in real IT networks

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939462C (en) * 1942-03-05 1956-05-03 Siemens Ag Device for protection against dangerous contact voltages in the event of an earth conductor break in AC systems for mining and underground operations
DE971635C (en) * 1948-10-02 1959-03-05 Walther Dipl-Ing Bender Device for monitoring three-phase systems for ohmic conductors
DE1704101C3 (en) * 1967-07-12 1974-09-26 Fr. Hesser Maschinenfabrik Ag, 7000 Stuttgart Shaping mandrel for a machine for producing bags or similar packaging containers from packaging materials that can be heat-sealed on at least one side

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454207A1 (en) * 1979-04-10 1980-11-07 Parrier Henri Safety circuit for electrical machinery - employs diode bridges to detect anomalies and drive amplifier controlled cut=outs
EP0122366A1 (en) * 1983-03-23 1984-10-24 Mitsubishi Denki Kabushiki Kaisha Apparatus for detecting ground fault in variable-voltage variable-frequency power system

Also Published As

Publication number Publication date
DE1463016B1 (en) 1970-07-02
BE647635A (en) 1964-11-09

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