FR691089A - Device for measuring alternating electrical quantities - Google Patents

Device for measuring alternating electrical quantities

Info

Publication number
FR691089A
FR691089A FR691089DA FR691089A FR 691089 A FR691089 A FR 691089A FR 691089D A FR691089D A FR 691089DA FR 691089 A FR691089 A FR 691089A
Authority
FR
France
Prior art keywords
alternating electrical
electrical quantities
measuring alternating
measuring
quantities
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.)
Expired
Application number
Other languages
French (fr)
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.)
Elettromecc Scarpa & Magnano S
Original Assignee
Elettromecc Scarpa & Magnano S
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 Elettromecc Scarpa & Magnano S filed Critical Elettromecc Scarpa & Magnano S
Application granted granted Critical
Publication of FR691089A publication Critical patent/FR691089A/en
Expired legal-status Critical Current

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
    • H01F38/22—Instruments transformers for single phase ac
    • 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
    • G01R15/142—Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26

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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
FR691089D 1929-03-06 1930-03-04 Device for measuring alternating electrical quantities Expired FR691089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE346926X 1929-03-06

Publications (1)

Publication Number Publication Date
FR691089A true FR691089A (en) 1930-10-01

Family

ID=6255666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR691089D Expired FR691089A (en) 1929-03-06 1930-03-04 Device for measuring alternating electrical quantities

Country Status (3)

Country Link
CH (1) CH148529A (en)
FR (1) FR691089A (en)
GB (1) GB346926A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509815A (en) * 1945-07-24 1950-05-30 Ross W Elliott Electric current and voltage indicator
US3471784A (en) * 1967-09-14 1969-10-07 Gen Electric Combination voltage and magnetic loop
US3621392A (en) * 1970-01-22 1971-11-16 Thermal Ind Of Florida Inc Connectionless electrical meter for measuring voltage or power factor
CA1277371C (en) * 1984-07-02 1990-12-04 Graham J. Clarke High voltage apparatus
GB2294829A (en) * 1994-11-01 1996-05-08 Hawker Siddeley Switchgear Ltd High voltage sensing unit
US6717395B2 (en) * 2001-05-31 2004-04-06 Mcgraw-Edison Company Current transformer based high voltage measurement apparatus
US6529013B2 (en) 2001-05-31 2003-03-04 Mcgraw-Edison Company Three-phase voltage sensor with active crosstalk cancellation
CN103632820B (en) * 2013-12-14 2015-04-01 广东广特电气有限公司 On-load adjustable capacity transformer low-voltage outgoing line structure

Also Published As

Publication number Publication date
CH148529A (en) 1931-07-31
GB346926A (en) 1931-04-23

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