FR3110704B1 - Voltage measurement in an insulated single-core cable - Google Patents

Voltage measurement in an insulated single-core cable Download PDF

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Publication number
FR3110704B1
FR3110704B1 FR2005196A FR2005196A FR3110704B1 FR 3110704 B1 FR3110704 B1 FR 3110704B1 FR 2005196 A FR2005196 A FR 2005196A FR 2005196 A FR2005196 A FR 2005196A FR 3110704 B1 FR3110704 B1 FR 3110704B1
Authority
FR
France
Prior art keywords
electrode
capacitor
conductor cable
insulated single
voltage
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
FR2005196A
Other languages
French (fr)
Other versions
FR3110704A1 (en
Inventor
Lionel Duvillaret
Guillaume Revillod
Gros Guillaume Chevrier
Gwenaël Gaborit
Sébastien Sarrazin
Frédéric Giraud
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.)
KAPTEOS
Electricite de France SA
Original Assignee
KAPTEOS
Electricite de France SA
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 KAPTEOS, Electricite de France SA filed Critical KAPTEOS
Priority to FR2005196A priority Critical patent/FR3110704B1/en
Priority to PCT/FR2021/050792 priority patent/WO2021234240A1/en
Publication of FR3110704A1 publication Critical patent/FR3110704A1/en
Application granted granted Critical
Publication of FR3110704B1 publication Critical patent/FR3110704B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01R15/04—Voltage dividers
    • G01R15/06—Voltage dividers having reactive components, e.g. capacitive transformer
    • 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
    • G01R15/16—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using capacitive devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/001—Measuring real or reactive component; Measuring apparent energy
    • G01R21/002—Measuring real component
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/001—Measuring real or reactive component; Measuring apparent energy
    • G01R21/003—Measuring reactive component

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

L’invention concerne un dispositif de mesure de tension sans contact sur un câble mono-conducteur isolé (10, 20) dans lequel circule une tension VX, ledit dispositif comprenant : . - une première électrode dite électrode interne (102, 202) ; . - une deuxième électrode dite électrode externe (103, 203) ; . - un commutateur (104, 204) ; . - une ligne de référence (107, 207) présentant un potentiel VREF ; . - un condensateur CD (105, 205) connecté entre le commutateur (104, 204) et la ligne de référence (107, 207) ; . - une unité de mesure de tension (106, 206) adaptée à mesurer une tension (V0 A, V0 B) aux bornes du condensateur (105, 205) ; l’électrode interne (102, 202) et l’électrode externe (103, 203) étant destinées à être disposées autour ou à proximité d’un câble mono-conducteur isolé (10, 20) ; le commutateur (104, 204) étant adapté à connecter le condensateur CD (105, 205) à l’électrode interne (102, 202) ou à l’électrode externe (103, 203) de manière à ce que le câble mono-conducteur isolé avec l’électrode interne (102, 202) forme un condensateur Cx, les condensateurs CX, CD, formant un circuit diviseur capacitif A ; le câble mono-conducteur isolé avec l’électrode externe (103, 203) forme un condensateur CY, les condensateurs CY, CD formant un circuit diviseur capacitif B. Figure pour l’abrégé 1The invention relates to a device for measuring voltage without contact on an insulated single-conductor cable (10, 20) in which a voltage VX flows, said device comprising: . - a first electrode called internal electrode (102, 202); . - a second electrode called the external electrode (103, 203); . - a switch (104, 204); . - a reference line (107, 207) having a potential VREF; . - a CD capacitor (105, 205) connected between the switch (104, 204) and the reference line (107, 207); . - a voltage measurement unit (106, 206) adapted to measure a voltage (V0 A, V0 B) across the capacitor (105, 205); the inner electrode (102, 202) and the outer electrode (103, 203) being intended to be arranged around or near an insulated single-conductor cable (10, 20); the switch (104, 204) being adapted to connect the CD capacitor (105, 205) to the inner electrode (102, 202) or the outer electrode (103, 203) so that the single conductor cable insulated with the inner electrode (102, 202) forms a capacitor Cx, the capacitors CX, CD forming a capacitive divider circuit A; the insulated single-conductor cable with the external electrode (103, 203) forms a capacitor CY, the capacitors CY, CD forming a capacitive divider circuit B. Figure for abstract 1

FR2005196A 2020-05-20 2020-05-20 Voltage measurement in an insulated single-core cable Active FR3110704B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2005196A FR3110704B1 (en) 2020-05-20 2020-05-20 Voltage measurement in an insulated single-core cable
PCT/FR2021/050792 WO2021234240A1 (en) 2020-05-20 2021-05-10 Voltage measurement in an insulated single-conductor cable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2005196A FR3110704B1 (en) 2020-05-20 2020-05-20 Voltage measurement in an insulated single-core cable
FR2005196 2020-05-20

Publications (2)

Publication Number Publication Date
FR3110704A1 FR3110704A1 (en) 2021-11-26
FR3110704B1 true FR3110704B1 (en) 2022-06-10

Family

ID=72178737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2005196A Active FR3110704B1 (en) 2020-05-20 2020-05-20 Voltage measurement in an insulated single-core cable

Country Status (2)

Country Link
FR (1) FR3110704B1 (en)
WO (1) WO2021234240A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3132357A1 (en) * 2022-02-02 2023-08-04 Sncf Reseau Device for non-contact voltage measurement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9778294B2 (en) * 2014-08-08 2017-10-03 Iida Electronics Co., Ltd. Non-contact AC voltage measurement device
EP2993480A1 (en) * 2014-09-04 2016-03-09 3M Innovative Properties Company Voltage sensor
US10539643B2 (en) 2017-09-01 2020-01-21 Fluke Corporation Proving unit for use with electrical test tools

Also Published As

Publication number Publication date
WO2021234240A1 (en) 2021-11-25
FR3110704A1 (en) 2021-11-26

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