FR2878335B1 - Capteur de courant utilisant un pont de capacites - Google Patents

Capteur de courant utilisant un pont de capacites

Info

Publication number
FR2878335B1
FR2878335B1 FR0452726A FR0452726A FR2878335B1 FR 2878335 B1 FR2878335 B1 FR 2878335B1 FR 0452726 A FR0452726 A FR 0452726A FR 0452726 A FR0452726 A FR 0452726A FR 2878335 B1 FR2878335 B1 FR 2878335B1
Authority
FR
France
Prior art keywords
current sensor
capacity bridge
bridge
capacity
sensor
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.)
Active
Application number
FR0452726A
Other languages
English (en)
Other versions
FR2878335A1 (fr
Inventor
Joel Devautour
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Priority to FR0452726A priority Critical patent/FR2878335B1/fr
Publication of FR2878335A1 publication Critical patent/FR2878335A1/fr
Application granted granted Critical
Publication of FR2878335B1 publication Critical patent/FR2878335B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01R19/32—Compensating for temperature change
    • 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
    • G01R15/146—Measuring arrangements for current not covered by other subgroups of G01R15/14, e.g. using current dividers, shunts, or measuring a voltage drop
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/10—AC or DC measuring bridges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
FR0452726A 2004-11-23 2004-11-23 Capteur de courant utilisant un pont de capacites Active FR2878335B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0452726A FR2878335B1 (fr) 2004-11-23 2004-11-23 Capteur de courant utilisant un pont de capacites

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0452726A FR2878335B1 (fr) 2004-11-23 2004-11-23 Capteur de courant utilisant un pont de capacites

Publications (2)

Publication Number Publication Date
FR2878335A1 FR2878335A1 (fr) 2006-05-26
FR2878335B1 true FR2878335B1 (fr) 2006-12-29

Family

ID=34951030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0452726A Active FR2878335B1 (fr) 2004-11-23 2004-11-23 Capteur de courant utilisant un pont de capacites

Country Status (1)

Country Link
FR (1) FR2878335B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795965A (en) * 1987-10-14 1989-01-03 Pratt & Whitney Canada Inc. Capacitance to voltage conversion circuit including a capacitive bridge and a capacitive offset
US5900714A (en) * 1996-11-08 1999-05-04 International Rectifier Corporation Circuit for sensing motor load current
US6437965B1 (en) * 2000-11-28 2002-08-20 Harris Corporation Electronic device including multiple capacitance value MEMS capacitor and associated methods
DE10200650A1 (de) * 2002-01-10 2003-05-28 Infineon Technologies Ag Vorrichtung und Verfahren zur Erfassung eines Laststromes durch eine Last

Also Published As

Publication number Publication date
FR2878335A1 (fr) 2006-05-26

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