ATA70386A - CIRCUIT FOR MONITORING THE INSULATION RESISTANCE OF A SHEET OF ASSEMBLIES OF AN ELECTRICAL SYSTEM WITH A COMMON EARTH-FREE POWER SUPPLY, IN PARTICULAR A TELECOMMUNICATION OR SIGNALING DEVICE - Google Patents
CIRCUIT FOR MONITORING THE INSULATION RESISTANCE OF A SHEET OF ASSEMBLIES OF AN ELECTRICAL SYSTEM WITH A COMMON EARTH-FREE POWER SUPPLY, IN PARTICULAR A TELECOMMUNICATION OR SIGNALING DEVICEInfo
- Publication number
- ATA70386A ATA70386A AT70386A AT70386A ATA70386A AT A70386 A ATA70386 A AT A70386A AT 70386 A AT70386 A AT 70386A AT 70386 A AT70386 A AT 70386A AT A70386 A ATA70386 A AT A70386A
- Authority
- AT
- Austria
- Prior art keywords
- telecommunication
- assemblies
- monitoring
- sheet
- power supply
- Prior art date
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
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
-
- 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)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853513848 DE3513848A1 (en) | 1985-04-17 | 1985-04-17 | Circuit for monitoring the insulation resistances of a group of modules of an electrical installation with a common earth-free power supply, in particular a telecommunications or signalling device |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA70386A true ATA70386A (en) | 1993-08-15 |
AT397439B AT397439B (en) | 1994-04-25 |
Family
ID=6268358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT70386A AT397439B (en) | 1985-04-17 | 1986-03-17 | CIRCUIT FOR MONITORING THE INSULATION RESISTANCE OF A SHEET OF ASSEMBLIES OF AN ELECTRICAL SYSTEM WITH A COMMON EARTH-FREE POWER SUPPLY, IN PARTICULAR A TELECOMMUNICATION OR SIGNALING DEVICE |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT397439B (en) |
DE (1) | DE3513848A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3707862A1 (en) * | 1987-03-11 | 1988-09-22 | Siemens Ag | Arrangement for measuring the transition resistance of line terminals in a network of conductors which are connected electrically in parallel |
WO1990015338A1 (en) * | 1989-06-10 | 1990-12-13 | Robert Bosch Gmbh | Reference-voltage supply circuit |
DE102011107206A1 (en) * | 2011-07-13 | 2013-01-17 | Howaldtswerke-Deutsche Werft Gmbh | Method for checking a measuring arrangement for voltage determination and method for charging a loadable voltage source |
DE102012220468B3 (en) | 2012-11-09 | 2014-03-27 | Seca Ag | length measuring instrument |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1026862B (en) * | 1955-10-14 | 1958-03-27 | Johannes Posern Dr Ing | Device for monitoring the insulation status of non-earthed AC and three-phase networks |
US3976987A (en) * | 1975-08-29 | 1976-08-24 | Square D Company | Dual channel dynamic line isolation monitor |
DE2943198A1 (en) * | 1979-10-25 | 1981-05-14 | Eur-Control Källe AB, Säffle | DEVICE FOR MEASURING THE ELECTRICAL IMPEDANCE OF PARTICULAR PARTICULAR MATERIALS |
-
1985
- 1985-04-17 DE DE19853513848 patent/DE3513848A1/en active Granted
-
1986
- 1986-03-17 AT AT70386A patent/AT397439B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3513848A1 (en) | 1986-10-23 |
AT397439B (en) | 1994-04-25 |
DE3513848C2 (en) | 1992-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties | ||
ELJ | Ceased due to non-payment of the annual fee |