ZA927213B - Electrical current sensitive test apparatus - Google Patents

Electrical current sensitive test apparatus

Info

Publication number
ZA927213B
ZA927213B ZA927213A ZA927213A ZA927213B ZA 927213 B ZA927213 B ZA 927213B ZA 927213 A ZA927213 A ZA 927213A ZA 927213 A ZA927213 A ZA 927213A ZA 927213 B ZA927213 B ZA 927213B
Authority
ZA
South Africa
Prior art keywords
electrical current
test apparatus
sensitive test
current sensitive
electrical
Prior art date
Application number
ZA927213A
Inventor
Michael Barry Watson
Original Assignee
Michael Barry Watson
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 Michael Barry Watson filed Critical Michael Barry Watson
Publication of ZA927213B publication Critical patent/ZA927213B/en

Links

Classifications

    • 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
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations 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
    • G01R15/185—Adaptations 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
ZA927213A 1991-09-20 1992-09-21 Electrical current sensitive test apparatus ZA927213B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9120170A GB2259780A (en) 1991-09-20 1991-09-20 Sensing electric currents

Publications (1)

Publication Number Publication Date
ZA927213B true ZA927213B (en) 1994-03-21

Family

ID=10701777

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA927213A ZA927213B (en) 1991-09-20 1992-09-21 Electrical current sensitive test apparatus

Country Status (2)

Country Link
GB (1) GB2259780A (en)
ZA (1) ZA927213B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060022786A1 (en) * 2004-07-27 2006-02-02 Baker Hughes Incorporated Armored flat cable signalling and instrument power acquisition
CN108957381B (en) * 2018-08-28 2020-06-09 广东电网有限责任公司 Polarity tester for current transformer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB706571A (en) * 1951-08-01 1954-03-31 Ferranti Ltd An improved device for measuring electric currents
GB829239A (en) * 1956-09-07 1960-03-02 Welwyn Electrical Lab Ltd Electrical test instrument
GB912721A (en) * 1960-06-17 1962-12-12 Dawe Instr Ltd Improvements in or relating to current-measuring instruments
DE2543828C2 (en) * 1975-10-01 1982-09-23 Hoechst Ag, 6000 Frankfurt Device for the simultaneous measurement of direct current and alternating current
US4283677A (en) * 1979-05-18 1981-08-11 Shoji Niwa Clamp type galvanometer

Also Published As

Publication number Publication date
GB9120170D0 (en) 1991-11-06
GB2259780A (en) 1993-03-24

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