CH475560A - Circuit arrangement for measuring currents at high voltage potential - Google Patents

Circuit arrangement for measuring currents at high voltage potential

Info

Publication number
CH475560A
CH475560A CH75368A CH75368A CH475560A CH 475560 A CH475560 A CH 475560A CH 75368 A CH75368 A CH 75368A CH 75368 A CH75368 A CH 75368A CH 475560 A CH475560 A CH 475560A
Authority
CH
Switzerland
Prior art keywords
high voltage
circuit arrangement
voltage potential
measuring currents
currents
Prior art date
Application number
CH75368A
Other languages
German (de)
Inventor
Westerkowsky Kurt
Reiniger Juergen
Busch Rolf
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
Publication of CH475560A publication Critical patent/CH475560A/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)
CH75368A 1967-01-21 1968-01-18 Circuit arrangement for measuring currents at high voltage potential CH475560A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH475560A true CH475560A (en) 1969-07-15

Family

ID=7314526

Family Applications (1)

Application Number Title Priority Date Filing Date
CH75368A CH475560A (en) 1967-01-21 1968-01-18 Circuit arrangement for measuring currents at high voltage 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
BE709653A (en) 1968-07-19
FR1551676A (en) 1968-12-27
DE1591972C3 (en) 1975-11-06
DE1591972B2 (en) 1975-01-09
AT282751B (en) 1970-07-10
NL6800630A (en) 1968-07-22
DE1591972A1 (en) 1971-03-11

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Legal Events

Date Code Title Description
PL Patent ceased