TW240294B - - Google Patents

Info

Publication number
TW240294B
TW240294B TW083106207A TW83106207A TW240294B TW 240294 B TW240294 B TW 240294B TW 083106207 A TW083106207 A TW 083106207A TW 83106207 A TW83106207 A TW 83106207A TW 240294 B TW240294 B TW 240294B
Authority
TW
Taiwan
Application number
TW083106207A
Original Assignee
Toshiba Co 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 Toshiba Co Ltd filed Critical Toshiba Co Ltd
Application granted granted Critical
Publication of TW240294B publication Critical patent/TW240294B/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/08—Arrangements for measuring electric power or power factor by using galvanomagnetic-effect devices, e.g. Hall-effect devices

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)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Current Or Voltage (AREA)
TW083106207A 1993-07-21 1994-07-07 TW240294B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05179501A JP3142994B2 (ja) 1993-07-21 1993-07-21 電力演算装置

Publications (1)

Publication Number Publication Date
TW240294B true TW240294B (zh) 1995-02-11

Family

ID=16066925

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083106207A TW240294B (zh) 1993-07-21 1994-07-07

Country Status (6)

Country Link
US (1) US5497077A (zh)
EP (1) EP0635726B1 (zh)
JP (1) JP3142994B2 (zh)
KR (1) KR0137088B1 (zh)
DE (1) DE69429220T2 (zh)
TW (1) TW240294B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9505314D0 (en) * 1995-03-16 1995-05-03 Trontelj Janez Electricity measurement apparatus
DE19638393C1 (de) * 1996-09-19 1997-12-11 Siemens Ag Schaltungsanordnung zur Widerstands- und Leckmessung sowie deren Verwendung
JPH11352157A (ja) * 1998-06-11 1999-12-24 Yazaki Corp 電源電圧検出方法及びその装置
US7541800B2 (en) * 2007-07-16 2009-06-02 General Electric Company Methods and systems for detecting DC influence in a current sensor
CN101458277B (zh) * 2009-01-13 2011-02-09 中国计量科学研究院 三相电能测量装置
JP5285585B2 (ja) * 2009-12-02 2013-09-11 セイコーインスツル株式会社 磁気センサ装置
KR101145637B1 (ko) * 2010-06-23 2012-05-23 현대자동차주식회사 전압변환기의 진단장치 및 방법
JP5865108B2 (ja) * 2012-02-16 2016-02-17 セイコーインスツル株式会社 磁気センサ装置
US8988063B2 (en) * 2012-04-10 2015-03-24 Maxim Integrated Products, Inc. System and method for current measurement in the presence of high common mode voltages
JP2017161475A (ja) * 2016-03-11 2017-09-14 株式会社東芝 半導体装置および磁気センサ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199696A (en) * 1977-03-18 1980-04-22 Tokyo Shibaura Electric Co., Ltd. Multiplier using hall element
CH651671A5 (de) * 1980-12-24 1985-09-30 Landis & Gyr Ag Anordnung zur messung elektrischer leistung oder energie.
EP0232451B1 (de) * 1986-02-10 1990-03-14 LGZ LANDIS & GYR ZUG AG Verfahren und Einrichtung zur Umwandlung eines elektrischen Signals in eine proportionale Frequenz
CH673160A5 (zh) * 1986-02-10 1990-02-15 Landis & Gyr Ag
JPH0726978B2 (ja) * 1988-09-22 1995-03-29 東洋通信機株式会社 電流センサ回路
EP0438637A1 (de) * 1990-01-24 1991-07-31 Landis & Gyr Business Support AG Verfahren und Anordnung zur Ermittlung eines Effektivwertes Ieff eines mit Hilfe eines Hallelementes und einer Verstärkeranordnung zu messenden Stromes
JP3002310B2 (ja) * 1991-11-21 2000-01-24 株式会社東芝 電力量計
JP3011559B2 (ja) * 1992-12-11 2000-02-21 株式会社東芝 電力乗算回路

Also Published As

Publication number Publication date
KR0137088B1 (ko) 1998-06-01
JP3142994B2 (ja) 2001-03-07
DE69429220T2 (de) 2002-06-27
EP0635726A2 (en) 1995-01-25
US5497077A (en) 1996-03-05
EP0635726B1 (en) 2001-11-28
DE69429220D1 (de) 2002-01-10
EP0635726A3 (en) 1995-09-27
KR950003946A (ko) 1995-02-17
JPH0735788A (ja) 1995-02-07

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