GB9010975D0 - Current transformers - Google Patents

Current transformers

Info

Publication number
GB9010975D0
GB9010975D0 GB909010975A GB9010975A GB9010975D0 GB 9010975 D0 GB9010975 D0 GB 9010975D0 GB 909010975 A GB909010975 A GB 909010975A GB 9010975 A GB9010975 A GB 9010975A GB 9010975 D0 GB9010975 D0 GB 9010975D0
Authority
GB
United Kingdom
Prior art keywords
current transformers
transformers
current
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.)
Withdrawn
Application number
GB909010975A
Other versions
GB2244142A (en
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal Co Ltd
Westinghouse Brake and Signal Holdings Ltd
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 Westinghouse Brake and Signal Co Ltd, Westinghouse Brake and Signal Holdings Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Priority to GB9010975A priority Critical patent/GB2244142A/en
Publication of GB9010975D0 publication Critical patent/GB9010975D0/en
Publication of GB2244142A publication Critical patent/GB2244142A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Transformers For Measuring Instruments (AREA)
GB9010975A 1990-05-16 1990-05-16 Current transformer measuring circuits Withdrawn GB2244142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9010975A GB2244142A (en) 1990-05-16 1990-05-16 Current transformer measuring circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9010975A GB2244142A (en) 1990-05-16 1990-05-16 Current transformer measuring circuits

Publications (2)

Publication Number Publication Date
GB9010975D0 true GB9010975D0 (en) 1990-07-04
GB2244142A GB2244142A (en) 1991-11-20

Family

ID=10676087

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9010975A Withdrawn GB2244142A (en) 1990-05-16 1990-05-16 Current transformer measuring circuits

Country Status (1)

Country Link
GB (1) GB2244142A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI90142C (en) * 1992-04-02 1993-12-27 Abb Stroemberg Drives Oy ENLIGGED COMPENSATION SPEED FACTORY FOUNDATION FOER STROEM
CN2150619Y (en) * 1992-09-28 1993-12-22 华北电力学院北京研究生部 Current transformer electronic compensator
AUPM661094A0 (en) * 1994-07-01 1994-07-28 Rmd Electronics Pty. Ltd. Improved clipon ct
DE19642472A1 (en) * 1996-10-15 1998-04-16 Abb Research Ltd Current sensor based on compensation principle
CN109754998B (en) * 2019-03-06 2020-07-21 陈德才 Active two-stage current transformer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815013A (en) * 1972-06-14 1974-06-04 Gen Electric Current transformer with active load termination
GB2045952B (en) * 1979-03-15 1983-01-12 Tokyo Shibaura Electric Co Current transforming circuits
US4529931A (en) * 1983-04-07 1985-07-16 Ford Motor Company Single-coil current measuring circuit
JPS6060562A (en) * 1983-09-13 1985-04-08 Mitsubishi Electric Corp Current detecting circuit
DK149238C (en) * 1983-09-15 1987-01-19 Danfysik As DETECTOR CIRCUIT FOR USE IN POWER METERING
US4761605A (en) * 1986-12-22 1988-08-02 General Electric Company Input switching in electronic watthour meter

Also Published As

Publication number Publication date
GB2244142A (en) 1991-11-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)