AT282751B - Circuit arrangement for measuring currents at high potential - Google Patents

Circuit arrangement for measuring currents at high potential

Info

Publication number
AT282751B
AT282751B AT52768A AT52768A AT282751B AT 282751 B AT282751 B AT 282751B AT 52768 A AT52768 A AT 52768A AT 52768 A AT52768 A AT 52768A AT 282751 B AT282751 B AT 282751B
Authority
AT
Austria
Prior art keywords
circuit arrangement
high potential
measuring currents
currents
measuring
Prior art date
Application number
AT52768A
Other languages
German (de)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT282751B publication Critical patent/AT282751B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
AT52768A 1967-01-21 1968-01-18 Circuit arrangement for measuring currents at high potential AT282751B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM0072497 1967-01-21

Publications (1)

Publication Number Publication Date
AT282751B true AT282751B (en) 1970-07-10

Family

ID=7314526

Family Applications (1)

Application Number Title Priority Date Filing Date
AT52768A AT282751B (en) 1967-01-21 1968-01-18 Circuit arrangement for measuring currents at high potential

Country Status (6)

Country Link
AT (1) AT282751B (en)
BE (1) BE709653A (en)
CH (1) CH475560A (en)
DE (1) DE1591972C3 (en)
FR (1) FR1551676A (en)
NL (1) NL6800630A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2738558C3 (en) * 1977-08-24 1980-06-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for measuring currents at high potential
DE2746570A1 (en) * 1977-10-17 1979-04-26 Ero Starkstrom Kondensatoren Monitoring and/or displaying circuit for capacitor battery - has transducer with modulated light source and another transducer at ground potential
DE2842965C2 (en) * 1978-10-02 1986-02-27 Schaltbau GmbH, 8000 München Circuit arrangement for the detection and transmission of voltage and frequency values on the high voltage side
FR2516324B1 (en) * 1981-11-12 1986-02-07 Guillemot Philippe ANALOG-TO-DIGITAL CONVERTER, PARTICULARLY FOR HIGH VOLTAGES
DE3203934C1 (en) * 1982-02-05 1983-05-05 Siemens AG, 1000 Berlin und 8000 München Limit-value detector for detecting leakage currents at high-voltage insulators which are under voltage or of stray currents in surfaces of metal bodies
FR2634092B1 (en) * 1988-07-11 1995-07-28 Catu Ets LIGHTING GENERATOR, AND ELECTRICAL APPARATUS, IN PARTICULAR ALTERNATIVE VOLTAGE TESTER, COMPRISING SUCH A LIGHTING GENERATOR
US4998098A (en) * 1989-01-26 1991-03-05 Schweitzer Engineering Laboratories Inc. Overvoltage detector to indicate voltage to a remote monitor
DE19805537A1 (en) * 1998-02-11 1999-09-16 Siemens Ag Electricity meter with measuring value detection and processing unit
US6341493B1 (en) * 2000-07-19 2002-01-29 American Standard International Inc. HVAC control and method for interpreting broad range of input voltages

Also Published As

Publication number Publication date
FR1551676A (en) 1968-12-27
DE1591972C3 (en) 1975-11-06
CH475560A (en) 1969-07-15
DE1591972B2 (en) 1975-01-09
BE709653A (en) 1968-07-19
NL6800630A (en) 1968-07-22
DE1591972A1 (en) 1971-03-11

Similar Documents

Publication Publication Date Title
AT287790B (en) INTEGRATED CIRCUIT CONTAINING SEVERAL ELECTRICAL FUNCTIONAL LEVELS
CH491391A (en) Wattmeter
BR6804781D0 (en) AN AMPLIFIER CIRCUIT
DE1807581B2 (en) CIRCUIT ARRANGEMENT FOR MEASURING ELECTRICAL WORK
AT282751B (en) Circuit arrangement for measuring currents at high potential
AT269263B (en) Differential protection circuit for capacitive voltage converters
BR6804865D0 (en) GRAPHIC INSTRUMENT
CH495560A (en) Zero indicator circuit
AT274133B (en) Circuit arrangement for attenuation measurement
BR6804861D0 (en) NEW DISTANCE MEASURING INSTRUMENT
AT277334B (en) Circuit arrangement for horizontal deflection
CH474747A (en) Distance measuring instrument
FR1492312A (en) Electrically actuated indicator
AT306793B (en) Voltage amplifier
AT289199B (en) Amplifier circuit
NL143697B (en) MEASURING BRIDGE CIRCUIT.
CH487414A (en) Circuit arrangement for the extension of pulses
CH469988A (en) Circuit arrangement for peak value measurement
AT286440B (en) Device for measuring the duration of electrical impulses
FR1454650A (en) Measuring circuit
CH484428A (en) Electronic capacitive humidity indicator
BR6899771D0 (en) PLATINUM SET
CH484418A (en) Weighbridge
DD59128A1 (en) Device for measuring operating currents
NL157427B (en) ELECTRICAL MEASUREMENT INSTRUMENT.

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee