NO177513C - Strömtransformator for forbedret målenöyaktighet. - Google Patents

Strömtransformator for forbedret målenöyaktighet.

Info

Publication number
NO177513C
NO177513C NO892525A NO892525A NO177513C NO 177513 C NO177513 C NO 177513C NO 892525 A NO892525 A NO 892525A NO 892525 A NO892525 A NO 892525A NO 177513 C NO177513 C NO 177513C
Authority
NO
Norway
Prior art keywords
transformer
application
current transformer
measurement accuracy
improved measurement
Prior art date
Application number
NO892525A
Other languages
English (en)
Norwegian (no)
Other versions
NO892525D0 (no
NO177513B (no
NO892525L (no
Inventor
Jean-Paul Pierre Avocat
Original Assignee
Avocat Jean Paul Pierre
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 Avocat Jean Paul Pierre filed Critical Avocat Jean Paul Pierre
Publication of NO892525D0 publication Critical patent/NO892525D0/no
Publication of NO892525L publication Critical patent/NO892525L/no
Publication of NO177513B publication Critical patent/NO177513B/no
Publication of NO177513C publication Critical patent/NO177513C/no

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/38—Instruments transformers for polyphase ac
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Organic Insulating Materials (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
NO892525A 1988-06-17 1989-06-16 Strömtransformator for forbedret målenöyaktighet. NO177513C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8808555A FR2633093B1 (fr) 1988-06-17 1988-06-17 Transformateur electrique de mesure

Publications (4)

Publication Number Publication Date
NO892525D0 NO892525D0 (no) 1989-06-16
NO892525L NO892525L (no) 1989-12-18
NO177513B NO177513B (no) 1995-06-19
NO177513C true NO177513C (no) 1995-09-27

Family

ID=9367718

Family Applications (1)

Application Number Title Priority Date Filing Date
NO892525A NO177513C (no) 1988-06-17 1989-06-16 Strömtransformator for forbedret målenöyaktighet.

Country Status (11)

Country Link
US (1) US5150039A (de)
EP (1) EP0347304B1 (de)
AT (1) ATE95943T1 (de)
CA (1) CA1308451C (de)
DE (1) DE68909847T2 (de)
DK (1) DK170124B1 (de)
ES (1) ES2046504T3 (de)
FR (1) FR2633093B1 (de)
MA (1) MA21576A1 (de)
NO (1) NO177513C (de)
TN (1) TNSN89064A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2664738B1 (fr) * 1990-07-13 1993-11-12 Robert Conroi Transformateur de mesure de courant debrochable a plusieurs rapports de reduction.
US5982257A (en) * 1996-10-31 1999-11-09 Siemens Electromechanical Components, Inc. Integral armature retention spring for electromagnetic relays
US5834932A (en) * 1997-03-17 1998-11-10 May; Gregory R. Watthour meter system
US6040689A (en) * 1997-06-17 2000-03-21 Ssac, Inc. Current sensing method and apparatus
US6198268B1 (en) * 1999-06-30 2001-03-06 General Electric Company Dual-rated current transformer circuit having at least two input circuits
US6865073B2 (en) * 2003-03-06 2005-03-08 General Electric Company Panelboard metering arrangement and method of assembly thereof
FR2894034B1 (fr) * 2005-11-28 2008-01-18 Renault Sas Mesure deportee du courant traversant une charge
DE102011102978B4 (de) 2011-05-23 2018-05-17 Phoenix Contact Gmbh & Co. Kg Strommessumformer
CN103472429A (zh) * 2013-08-28 2013-12-25 国家电网公司 一种多功能多变比比对装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US249574A (en) * 1881-11-15 Switch-board for electric circuits
US1641757A (en) * 1924-05-26 1927-09-06 Gen Electric Combined voltmeter and phase-rotation indicator
US1800474A (en) * 1929-10-30 1931-04-14 Western Electromechanical Co I Meter for alternating current
US2384350A (en) * 1942-02-19 1945-09-04 John V Skulley Meter and scale therefor
US2594069A (en) * 1948-02-28 1952-04-22 Mallory & Co Inc P R Battery voltage selector jumper board and terminal board for industrial truck chargers
US2608626A (en) * 1949-05-18 1952-08-26 Donald P Morgan Circuit closing panel
US2891438A (en) * 1950-03-23 1959-06-23 S L F Engineering Company Photoelectric photometer having compensating means for line voltage fluctuations
US3002169A (en) * 1957-03-06 1961-09-26 Gen Dynamics Corp Electrical interconnection device
US3049645A (en) * 1959-06-29 1962-08-14 Skirpan Stephen James Preset lighting control system
US3514694A (en) * 1968-01-09 1970-05-26 Robert W Beachley Means for ground fault detection,metering and control of alternating current electrical systems
US3584299A (en) * 1969-07-11 1971-06-08 Sun Oil Co Hook-on power factor, volt and ampere meter
US3564392A (en) * 1969-09-19 1971-02-16 Gen Electric Magnetic transducer with means for compensating for temperature changes
US3617967A (en) * 1970-04-14 1971-11-02 Electromagnetic Ind Inc Current transformer having primary side switchable to different measuring ranges
US3957333A (en) * 1974-11-01 1976-05-18 Dana Corporation Universal control system interface

Also Published As

Publication number Publication date
NO892525D0 (no) 1989-06-16
NO177513B (no) 1995-06-19
TNSN89064A1 (fr) 1991-02-04
EP0347304A1 (de) 1989-12-20
FR2633093A1 (fr) 1989-12-22
DK170124B1 (da) 1995-05-29
CA1308451C (en) 1992-10-06
FR2633093B1 (fr) 1992-02-28
DE68909847D1 (de) 1993-11-18
US5150039A (en) 1992-09-22
DK299589A (da) 1989-12-18
MA21576A1 (fr) 1989-12-31
DE68909847T2 (de) 1994-05-05
DK299589D0 (da) 1989-06-16
ES2046504T3 (es) 1994-02-01
EP0347304B1 (de) 1993-10-13
ATE95943T1 (de) 1993-10-15
NO892525L (no) 1989-12-18

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