FR1338421A - Improved method and device for measuring insulation to earth of electrical networks - Google Patents

Improved method and device for measuring insulation to earth of electrical networks

Info

Publication number
FR1338421A
FR1338421A FR904946A FR904946A FR1338421A FR 1338421 A FR1338421 A FR 1338421A FR 904946 A FR904946 A FR 904946A FR 904946 A FR904946 A FR 904946A FR 1338421 A FR1338421 A FR 1338421A
Authority
FR
France
Prior art keywords
earth
improved method
electrical networks
measuring insulation
insulation
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
FR904946A
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
Priority to BE635302D priority Critical patent/BE635302A/xx
Application filed by Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR904946A priority patent/FR1338421A/en
Priority to GB28995/63A priority patent/GB1018681A/en
Priority to DEC30531A priority patent/DE1261597B/en
Application granted granted Critical
Publication of FR1338421A publication Critical patent/FR1338421A/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
    • H02H3/17—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 by means of an auxiliary voltage injected into the installation to be protected
    • 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)
  • Measurement Of Resistance Or Impedance (AREA)
FR904946A 1962-07-24 1962-07-24 Improved method and device for measuring insulation to earth of electrical networks Expired FR1338421A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE635302D BE635302A (en) 1962-07-24
FR904946A FR1338421A (en) 1962-07-24 1962-07-24 Improved method and device for measuring insulation to earth of electrical networks
GB28995/63A GB1018681A (en) 1962-07-24 1963-07-22 Improved apparatus for the measurement of insulation from earth of electrical networks
DEC30531A DE1261597B (en) 1962-07-24 1963-07-24 Circuit for measuring the earth insulation resistance of an ungrounded AC network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR904946A FR1338421A (en) 1962-07-24 1962-07-24 Improved method and device for measuring insulation to earth of electrical networks

Publications (1)

Publication Number Publication Date
FR1338421A true FR1338421A (en) 1963-09-27

Family

ID=8783836

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904946A Expired FR1338421A (en) 1962-07-24 1962-07-24 Improved method and device for measuring insulation to earth of electrical networks

Country Status (4)

Country Link
BE (1) BE635302A (en)
DE (1) DE1261597B (en)
FR (1) FR1338421A (en)
GB (1) GB1018681A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043045A1 (en) * 1980-06-26 1982-01-06 A.E. S.r.l. Improved life protection device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035760B (en) * 1957-05-08 1958-08-07 Siemens Ag Device for determining the short-circuit current strength in electrical power networks
DE1044953B (en) * 1958-01-11 1958-11-27 Franz Fuehrer Dr Ing Method and device for determining whether the short-circuit current is exceeded or not reached by the zeroing and earthing conditions at AC tapping points
DE1089471B (en) * 1958-11-18 1960-09-22 Siemens Ag Insulation monitoring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043045A1 (en) * 1980-06-26 1982-01-06 A.E. S.r.l. Improved life protection device

Also Published As

Publication number Publication date
DE1261597B (en) 1968-02-22
BE635302A (en) 1900-01-01
GB1018681A (en) 1966-02-02

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