CA2201968A1 - Dispositif a rapport d'intensite pouvant servir a former un transformateur de courant - Google Patents

Dispositif a rapport d'intensite pouvant servir a former un transformateur de courant

Info

Publication number
CA2201968A1
CA2201968A1 CA 2201968 CA2201968A CA2201968A1 CA 2201968 A1 CA2201968 A1 CA 2201968A1 CA 2201968 CA2201968 CA 2201968 CA 2201968 A CA2201968 A CA 2201968A CA 2201968 A1 CA2201968 A1 CA 2201968A1
Authority
CA
Canada
Prior art keywords
current
forming
current transformer
transformer
ratio device
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA 2201968
Other languages
English (en)
Other versions
CA2201968C (fr
Inventor
David A. Bennett
Eddy So
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Council of Canada
Original Assignee
National Research Council of Canada
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 National Research Council of Canada filed Critical National Research Council of Canada
Priority to CA 2201968 priority Critical patent/CA2201968C/fr
Publication of CA2201968A1 publication Critical patent/CA2201968A1/fr
Application granted granted Critical
Publication of CA2201968C publication Critical patent/CA2201968C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G01R15/185Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase AC
    • H01F38/28Current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
CA 2201968 1997-03-26 1997-03-26 Dispositif a rapport d'intensite pouvant servir a former un transformateur de courant Expired - Fee Related CA2201968C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2201968 CA2201968C (fr) 1997-03-26 1997-03-26 Dispositif a rapport d'intensite pouvant servir a former un transformateur de courant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2201968 CA2201968C (fr) 1997-03-26 1997-03-26 Dispositif a rapport d'intensite pouvant servir a former un transformateur de courant

Publications (2)

Publication Number Publication Date
CA2201968A1 true CA2201968A1 (fr) 1998-09-26
CA2201968C CA2201968C (fr) 2003-05-13

Family

ID=4160346

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2201968 Expired - Fee Related CA2201968C (fr) 1997-03-26 1997-03-26 Dispositif a rapport d'intensite pouvant servir a former un transformateur de courant

Country Status (1)

Country Link
CA (1) CA2201968C (fr)

Also Published As

Publication number Publication date
CA2201968C (fr) 2003-05-13

Similar Documents

Publication Publication Date Title
JPS5764171A (en) Spectrum analyzer
DK0386604T3 (da) Statisk elektricitetsmåler
AU4638199A (en) Improvements relating to electrical power measurement
WO2002041483A3 (fr) Appareil et procede pour mesurer un courant cc debite d'une alimentation commutee
MY113935A (en) Fluid flow measurement
CA2201968A1 (fr) Dispositif a rapport d'intensite pouvant servir a former un transformateur de courant
JPS52143713A (en) Convergence unit
CA2196375A1 (fr) Methode et appareil utilisant les micro-ondes pour mesurer la concentration d'une substance dans un liquide
RU2156539C2 (ru) Схема обработки сигнала, измерительный прибор для контроля потребления электричества
KR940000874A (ko) 전기 에너지 소모의 측정 방법
CN208156185U (zh) 电能计量表测试系统
CN221078874U (zh) 一种变电站继电保护灵敏性试验装置
Miljanic et al. On the electronic three-phase active and reactive power measurement
CA2396448A1 (fr) Methode et appareil pour determiner l'impedance interne d'un transformateur de distribution et detecter le courant continu dans un wattmetre c.a.
JPS536078A (en) Measuring method of plural ac voltages and currents
SU866490A1 (ru) Измеритель отношений переменных напр жений
JPS56112656A (en) Electronic reactive power meter
RU93001760A (ru) Счетчик электроэнергии
Cunningham et al. New developments in yeast management instrumentation
JPS5610265A (en) Method for measuring voltage-current characteristic of semiconductor element
JPS55101054A (en) Connection structure between switch and ammeter
So et al. A 50 ppm low current multi-stage clamp-on current transformer
JPS52126267A (en) Power factor measurement device
JPH0391983U (fr)
CN2290857Y (zh) 袖珍万用表固定装置

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150326