FI901141A0 - Statisk elektricitetsmaetare. - Google Patents

Statisk elektricitetsmaetare.

Info

Publication number
FI901141A0
FI901141A0 FI901141A FI901141A FI901141A0 FI 901141 A0 FI901141 A0 FI 901141A0 FI 901141 A FI901141 A FI 901141A FI 901141 A FI901141 A FI 901141A FI 901141 A0 FI901141 A0 FI 901141A0
Authority
FI
Finland
Prior art keywords
transformer
statisk
elektricitetsmaetare
measuring
measuring part
Prior art date
Application number
FI901141A
Other languages
English (en)
Inventor
Bernhard Konrad
Original Assignee
Zellweger Uster Ag
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 claimed from CH397389A external-priority patent/CH680537A5/de
Application filed by Zellweger Uster Ag filed Critical Zellweger Uster Ag
Publication of FI901141A0 publication Critical patent/FI901141A0/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/22—Circuits therefor
    • G01R13/34—Circuits for representing a single waveform by sampling, e.g. for very high frequencies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Elimination Of Static Electricity (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Polymerisation Methods In General (AREA)
  • Medicinal Preparation (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Control Of El Displays (AREA)
  • Luminescent Compositions (AREA)
  • Electroluminescent Light Sources (AREA)
FI901141A 1989-03-07 1990-03-07 Statisk elektricitetsmaetare. FI901141A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH83989 1989-03-07
CH397389A CH680537A5 (en) 1989-11-03 1989-11-03 Static electricity meter independent of frequency

Publications (1)

Publication Number Publication Date
FI901141A0 true FI901141A0 (fi) 1990-03-07

Family

ID=25685854

Family Applications (1)

Application Number Title Priority Date Filing Date
FI901141A FI901141A0 (fi) 1989-03-07 1990-03-07 Statisk elektricitetsmaetare.

Country Status (17)

Country Link
US (1) US5128611A (fi)
EP (1) EP0386604B1 (fi)
JP (1) JPH02254369A (fi)
KR (1) KR900014895A (fi)
CN (1) CN1023662C (fi)
AT (1) ATE115290T1 (fi)
AU (1) AU640914B2 (fi)
CA (1) CA2010568A1 (fi)
CZ (1) CZ281530B6 (fi)
DE (1) DE59007894D1 (fi)
DK (1) DK0386604T3 (fi)
ES (1) ES2064505T3 (fi)
FI (1) FI901141A0 (fi)
GR (1) GR3015310T3 (fi)
NZ (1) NZ232791A (fi)
PT (1) PT93354B (fi)
YU (1) YU47218B (fi)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU634722B2 (en) * 1989-07-04 1993-03-04 Georgey Katrib Digital measurement of A.C. active and reactive values using half-cycle integration technique
US5485393A (en) * 1990-08-30 1996-01-16 Metricom, Inc. Method and apparatus for measuring electrical parameters using a differentiating current sensor and a digital integrator
CH681492A5 (fi) * 1991-01-09 1993-03-31 Zellweger Uster Ag
US5196784A (en) * 1991-03-18 1993-03-23 Hughes Aircraft Company Isolated current monitoring circuit for measuring direct and high duty factor currents
CH682860A5 (en) * 1991-12-13 1993-11-30 Zellweger Uster Ag Transducers Static electricity meters.
US5742153A (en) * 1992-08-18 1998-04-21 Basic Measuring Instruments Coasting power supply for AC power system waveform measuring instrument
ES2103173B1 (es) * 1994-03-29 1998-04-01 Infrarrojo Y Microelectronica Sensor digital de corriente autocalibrado.
US5696441A (en) * 1994-05-13 1997-12-09 Distribution Control Systems, Inc. Linear alternating current interface for electronic meters
US6226600B1 (en) * 1998-08-03 2001-05-01 Rodenberg, Iii Ernest A. Programmable electricity consumption monitor
US6388435B1 (en) * 1998-12-31 2002-05-14 General Electric Company Methods and apparatus for voltage measurement
GB9918539D0 (en) * 1999-08-06 1999-10-06 Sentec Ltd Planar current transformer
DE10112304C1 (de) * 2001-03-14 2002-07-18 Siemens Ag Messwert-Erfassung- und -Verarbeitungseinheit für kleine Messsignale
EP1379012A1 (en) * 2002-07-03 2004-01-07 Aydin Özalp Integrated and automated water, gas and electricity meter reading via power line carrier
SI21582A (sl) * 2003-07-15 2005-02-28 Iskraemeco Števec električne energije
US7043380B2 (en) * 2003-09-16 2006-05-09 Rodenberg Iii Ernest Adolph Programmable electricity consumption monitoring system and method
US7397234B2 (en) 2005-12-19 2008-07-08 Silicon Laboratories Inc. Current sensor with reset circuit
US7362086B2 (en) * 2005-12-19 2008-04-22 Silicon Laboratories Inc. Integrated current sensor
US7679162B2 (en) * 2005-12-19 2010-03-16 Silicon Laboratories Inc. Integrated current sensor package
US7638999B2 (en) * 2006-04-07 2009-12-29 Cooper Technologies Company Protective relay device, system and methods for Rogowski coil sensors
US7990132B2 (en) * 2006-06-30 2011-08-02 Silicon Laboratories Inc. Current sensor including an integrated circuit die including a first and second coil
US7564233B2 (en) 2006-11-06 2009-07-21 Cooper Technologies Company Shielded Rogowski coil assembly and methods
US7821251B2 (en) * 2006-12-12 2010-10-26 Silicon Laboratories Inc. Current sensor
US7917251B2 (en) * 2007-09-05 2011-03-29 Consolidated Edison Company Of New York, Inc. Metering system and method of operation
US7728578B2 (en) * 2008-05-15 2010-06-01 Silicon Laboratories Inc. Method and apparatus for high current measurement
US8756029B2 (en) * 2011-01-21 2014-06-17 Schneider Electric USA, Inc. Non-linearity calibration using an internal source in an intelligent electronic device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226641A (en) * 1961-12-05 1965-12-28 Gen Electric Electronic type converter for producting a d.c. signal proportional to watt input
US3546565A (en) * 1968-10-29 1970-12-08 Sangamo Electric Co Compensation of input direct current component in a current transformer
US3775683A (en) * 1972-05-10 1973-11-27 K Barta Electrical power measuring device
DE2650633A1 (de) * 1976-11-05 1978-05-11 Friedl Richard Elektronische multiplizierschaltung mit digitaler steuerung einer der eingangsgroessen insbesondere fuer die bestimmung der elektrischen leistung und energie
DE2757595A1 (de) * 1976-12-29 1978-07-13 Gen Electric Elektronischer zaehler zum messen des energieverbrauches
US4368424A (en) * 1978-07-11 1983-01-11 Westinghouse Electric Corp. Mutual inductance current transducer for AC electric energy meters
US4413230A (en) * 1978-07-11 1983-11-01 Westinghouse Electric Corp. Electric energy meter having a mutual inductance current transducer
US4182983A (en) * 1978-07-11 1980-01-08 Westinghouse Electric Corp. Electronic AC electric energy measuring circuit
US4459546A (en) * 1980-11-03 1984-07-10 Rockwell International Corporation Electronic kilowatthour meter
GB2133594A (en) * 1982-12-24 1984-07-25 Leslie Taylor Electrical power consumption costing device
US4578639A (en) * 1984-03-02 1986-03-25 Westinghouse Electric Corp. Metering system for measuring parameters of high AC electric energy flowing in an electric conductor
GB8426822D0 (en) * 1984-10-23 1984-11-28 Day S Static electricity meter
CH673714A5 (fi) * 1985-05-02 1990-03-30 Zellweger Uster Ag
FR2603992B1 (fr) * 1986-09-16 1988-10-28 Alsthom Dispositif pour l'acquisition numerique d'un courant electrique alternatif issu d'un transformateur de courant a tore magnetique saturable
US4859937A (en) * 1987-07-07 1989-08-22 General Electric Company Pulse width modulator in an electronic watt-hour meter with up and down integration for error correction

Also Published As

Publication number Publication date
YU26890A (sh) 1994-01-20
DK0386604T3 (da) 1995-02-27
KR900014895A (ko) 1990-10-25
CA2010568A1 (en) 1990-09-07
EP0386604B1 (de) 1994-12-07
YU47218B (sh) 1995-01-31
DE59007894D1 (de) 1995-01-19
GR3015310T3 (en) 1995-06-30
CN1023662C (zh) 1994-02-02
AU640914B2 (en) 1993-09-09
PT93354A (pt) 1990-11-07
CZ281530B6 (cs) 1996-10-16
US5128611A (en) 1992-07-07
CN1045457A (zh) 1990-09-19
JPH02254369A (ja) 1990-10-15
ATE115290T1 (de) 1994-12-15
PT93354B (pt) 1996-04-30
ES2064505T3 (es) 1995-02-01
EP0386604A3 (de) 1991-07-24
NZ232791A (en) 1992-11-25
AU5056990A (en) 1990-09-13
CZ98290A3 (en) 1996-08-14
EP0386604A2 (de) 1990-09-12

Similar Documents

Publication Publication Date Title
FI901141A0 (fi) Statisk elektricitetsmaetare.
EP0357013A3 (en) Magnetic field measuring circuit
ATE53673T1 (de) Messwandler zum messen des in einem elektrischen leiter fliessenden stromes.
ES8707610A1 (es) Disposicion de sensor
IE852956L (en) Flux gate sensor for use in a flux gate compass
SE8902554L (sv) Foerfarande och anordning vid magnetisk-indiktiv genomstroemningsmaetning
ES2005487A6 (es) Sensor de corriente.
DK1079212T3 (da) Fremgangsmåde til magnetisk-induktiv flowmåling
DK0393938T3 (da) Gennemstrømningsmålere
ATE106586T1 (de) Münzengültigkeits-prüfvorrichtung.
DE69009262D1 (de) Elektronischer Schaltkreis zur Messung und Regelung eines durch eine induktive elektrische Last fliessenden Stromes.
JPS5414242A (en) Measuring method for toner concentration in developer
DE3783869D1 (de) Flusskompensierter stromwandler.
JPS52111785A (en) Flaw detector
JPS5269673A (en) Magnetic signal detecting circuit
JPS533366A (en) Flow velocity measurement
JPS5658666A (en) Avometer having impedance range
SE8301527D0 (sv) Magnetoelastisk kraftgivare
JPS5310493A (en) Measurement of permeability of original paper
JPS52105884A (en) Tester using eddy current
JPS5387708A (en) Magnetic tape device
JPS52114372A (en) Approximating counter for use in time measurement
JPS5361977A (en) Constant current load circuit for measuring semiconductor elementcharacteristics
JPS5321799A (en) Assembly fixture for permanent magnet
JPS531572A (en) Measuring device for dc magnetization characteristics

Legal Events

Date Code Title Description
FD Application lapsed
MM Patent lapsed

Owner name: ZELLWEGER USTER AG