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AT338925B - PROCEDURE AND EQUIPMENT FOR MEASURING THE INSULATION RESISTANCE OF UNEARTHED DC MAINS - Google Patents

PROCEDURE AND EQUIPMENT FOR MEASURING THE INSULATION RESISTANCE OF UNEARTHED DC MAINS

Info

Publication number
AT338925B
AT338925B AT912474A AT912474A AT338925B AT 338925 B AT338925 B AT 338925B AT 912474 A AT912474 A AT 912474A AT 912474 A AT912474 A AT 912474A AT 338925 B AT338925 B AT 338925B
Authority
AT
Austria
Prior art keywords
unearthed
mains
procedure
measuring
equipment
Prior art date
Application number
AT912474A
Other languages
German (de)
Other versions
ATA912474A (en
Original Assignee
Harms Gerd Dr Ing
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 Harms Gerd Dr Ing filed Critical Harms Gerd Dr Ing
Publication of ATA912474A publication Critical patent/ATA912474A/en
Application granted granted Critical
Publication of AT338925B publication Critical patent/AT338925B/en

Links

Classifications

    • 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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
AT912474A 1973-11-15 1974-11-14 PROCEDURE AND EQUIPMENT FOR MEASURING THE INSULATION RESISTANCE OF UNEARTHED DC MAINS AT338925B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732357081 DE2357081C3 (en) 1973-11-15 1973-11-15 Method and device for measuring the insulation resistance of ungrounded direct current networks

Publications (2)

Publication Number Publication Date
ATA912474A ATA912474A (en) 1977-01-15
AT338925B true AT338925B (en) 1977-09-26

Family

ID=5898212

Family Applications (1)

Application Number Title Priority Date Filing Date
AT912474A AT338925B (en) 1973-11-15 1974-11-14 PROCEDURE AND EQUIPMENT FOR MEASURING THE INSULATION RESISTANCE OF UNEARTHED DC MAINS

Country Status (5)

Country Link
AT (1) AT338925B (en)
CH (1) CH579280A5 (en)
DE (1) DE2357081C3 (en)
NL (1) NL7414937A (en)
SE (1) SE392527B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2530764C2 (en) * 1975-07-10 1983-07-14 Gerd Dr.-Ing. 3167 Burgdorf Harms Device for measuring the insulation resistance of unearthed direct current networks
US4054832A (en) * 1975-10-21 1977-10-18 James G. Biddle Company System and method of measurement of insulation qualities of three-phase power equipment
DE3346387C2 (en) * 1983-12-22 1987-04-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart Circuit arrangement for earth or frame fault monitoring
US4630161A (en) * 1984-10-01 1986-12-16 American Antigravity Co., Inc. Protection technique for exposed conductor
US4837519A (en) * 1985-09-06 1989-06-06 Southern California Edison Company Fault detection
FR2675585B1 (en) * 1991-04-22 1993-08-27 Aerospatiale METHOD AND DEVICE FOR MEASURING AND CONTROLLING THE ELECTRICAL ISOLATION OF AN ACTIVE SYSTEM.
DE4339946A1 (en) * 1993-11-24 1995-06-01 Walther Bender Gmbh & Co Kg Di Method and device for monitoring the insulation of unearthed direct and alternating current networks
DE19618897B4 (en) * 1996-05-10 2006-04-20 Varta Automotive Systems Gmbh Circuit arrangement for determining the insulation resistance of an accumulator battery
DE10205381A1 (en) * 2002-02-09 2003-08-21 Ballard Power Systems Monitoring insulation of direct current network, with measurement resistance galvanically separated from resistance measurement device to suppress interference effects
DE102018113426A1 (en) * 2018-06-06 2019-12-12 Abb Schweiz Ag Method for measuring insulation resistance and leakage capacitance with disturbed measuring signal
AT523526B1 (en) * 2020-04-10 2021-09-15 Seibt Kristl & Co Gmbh Method, device and system for determining a capacitance value of a grounding capacitance of an ungrounded power network

Also Published As

Publication number Publication date
ATA912474A (en) 1977-01-15
CH579280A5 (en) 1976-08-31
SE7414412L (en) 1975-05-16
SE392527B (en) 1977-03-28
NL7414937A (en) 1975-05-20
DE2357081C3 (en) 1979-09-13
DE2357081A1 (en) 1975-05-28
DE2357081B2 (en) 1976-07-15

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time