IT962856B - Apparecchio rivelatore di valore efficace - Google Patents

Apparecchio rivelatore di valore efficace

Info

Publication number
IT962856B
IT962856B IT26998/72A IT2699872A IT962856B IT 962856 B IT962856 B IT 962856B IT 26998/72 A IT26998/72 A IT 26998/72A IT 2699872 A IT2699872 A IT 2699872A IT 962856 B IT962856 B IT 962856B
Authority
IT
Italy
Prior art keywords
effective value
value detector
detector equipment
equipment
effective
Prior art date
Application number
IT26998/72A
Other languages
English (en)
Original Assignee
Westinghouse Electric Corp
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 Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT962856B publication Critical patent/IT962856B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/02—Measuring effective values, i.e. root-mean-square values

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Volume Flow (AREA)
IT26998/72A 1971-07-23 1972-07-14 Apparecchio rivelatore di valore efficace IT962856B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16546271A 1971-07-23 1971-07-23

Publications (1)

Publication Number Publication Date
IT962856B true IT962856B (it) 1973-12-31

Family

ID=22598991

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26998/72A IT962856B (it) 1971-07-23 1972-07-14 Apparecchio rivelatore di valore efficace

Country Status (9)

Country Link
US (1) US3743949A (it)
JP (1) JPS5744945B1 (it)
BR (1) BR7204883D0 (it)
CA (1) CA951793A (it)
DE (1) DE2235944A1 (it)
ES (1) ES404957A1 (it)
FR (1) FR2147140B1 (it)
GB (1) GB1398184A (it)
IT (1) IT962856B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027240A (en) * 1975-10-20 1977-05-31 The United States Of America As Represented By The Secretary Of The Navy Protected voltage meter
US4218736A (en) * 1978-04-03 1980-08-19 Takeda Riken Kogyo Kabushikikaisha Effective value measuring apparatus
JPS556066A (en) * 1978-06-29 1980-01-17 Seiko Epson Corp Production of fluid passage
US4375038A (en) * 1979-08-10 1983-02-22 Beckman Instruments, Inc. RMS Converter
GB2183048B (en) * 1985-11-11 1989-12-20 British Gas Plc Method and apparatus for testing ac generators
CN1020816C (zh) * 1990-05-08 1993-05-19 董献之 平方器
GB2262350B (en) * 1991-11-22 1995-11-08 Multiload Technolgy Ltd RMS Waveform sensing
WO1996024070A1 (en) * 1995-01-30 1996-08-08 Landis & Gyr Utilities Services, Inc. Method of sizing transformers in an electrical utility service
DE69518157T2 (de) * 1995-12-01 2001-03-29 Berg Electronics Mfg Glatte Kontaktelemente, Verfahren zur Herstellung solcher Elemente und Produkte mit solchen Elementen
HUE033490T2 (en) 2003-07-25 2017-12-28 Waste 2 Green Llc Process and system for treating animal waste containing urea
CN102207518A (zh) * 2011-03-11 2011-10-05 华为技术有限公司 一种交流电压有效值检测方法和装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070302A (en) * 1958-08-15 1962-12-25 Phillips Petroleum Co Flow computer
US3064192A (en) * 1959-03-10 1962-11-13 Gen Electronic Lab Inc Electric meter
US3197626A (en) * 1962-01-08 1965-07-27 Chrysler Corp Logarithmic multiplier-divider
US3281689A (en) * 1962-03-26 1966-10-25 Expando Meter Company R. m. s. meter circuit using linear resistors and voltage biased diodes to approximate the square law characteristic
FR1486264A (it) * 1965-07-08 1967-10-05
US3423578A (en) * 1966-08-29 1969-01-21 Chrysler Corp True root-mean-square computing circuit

Also Published As

Publication number Publication date
JPS5744945B1 (it) 1982-09-24
US3743949A (en) 1973-07-03
CA951793A (en) 1974-07-23
GB1398184A (en) 1975-06-18
FR2147140A1 (it) 1973-03-09
JPS4822072A (it) 1973-03-20
DE2235944A1 (de) 1973-02-01
FR2147140B1 (it) 1978-12-29
ES404957A1 (es) 1975-07-01
BR7204883D0 (pt) 1973-06-07

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