CA2049685C - Detecteur de tension a grande impedance avec diviseur de tension capacitif - Google Patents

Detecteur de tension a grande impedance avec diviseur de tension capacitif

Info

Publication number
CA2049685C
CA2049685C CA 2049685 CA2049685A CA2049685C CA 2049685 C CA2049685 C CA 2049685C CA 2049685 CA2049685 CA 2049685 CA 2049685 A CA2049685 A CA 2049685A CA 2049685 C CA2049685 C CA 2049685C
Authority
CA
Canada
Prior art keywords
voltage
display
conductor
indicator
electrodes
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 - Fee Related
Application number
CA 2049685
Other languages
English (en)
Other versions
CA2049685A1 (fr
Inventor
Edmund O. Schweitzer, Jr.
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.)
Schweitzer Engineering Laboratories Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2049685 priority Critical patent/CA2049685C/fr
Publication of CA2049685A1 publication Critical patent/CA2049685A1/fr
Application granted granted Critical
Publication of CA2049685C publication Critical patent/CA2049685C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
CA 2049685 1991-08-22 1991-08-22 Detecteur de tension a grande impedance avec diviseur de tension capacitif Expired - Fee Related CA2049685C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2049685 CA2049685C (fr) 1991-08-22 1991-08-22 Detecteur de tension a grande impedance avec diviseur de tension capacitif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2049685 CA2049685C (fr) 1991-08-22 1991-08-22 Detecteur de tension a grande impedance avec diviseur de tension capacitif

Publications (2)

Publication Number Publication Date
CA2049685A1 CA2049685A1 (fr) 1993-02-23
CA2049685C true CA2049685C (fr) 1999-09-21

Family

ID=4148234

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2049685 Expired - Fee Related CA2049685C (fr) 1991-08-22 1991-08-22 Detecteur de tension a grande impedance avec diviseur de tension capacitif

Country Status (1)

Country Link
CA (1) CA2049685C (fr)

Also Published As

Publication number Publication date
CA2049685A1 (fr) 1993-02-23

Similar Documents

Publication Publication Date Title
US5077520A (en) High impedance voltage indicator having capacitive voltage divider
US5070301A (en) Fault indicator having liquid crystal status display
US5274324A (en) Hot line mountable hotline indicator having liquid crystal display with resettable memory function
US5420502A (en) Fault indicator with optically-isolated remote readout circuit
US6016105A (en) Fault indicator providing contact closure and light indication on fault detection
US4553085A (en) Coaxial cable tester device
US5008651A (en) Battery-powered fault indicator
US4794329A (en) Cable mounted capacitively-coupled circuit condition indicating device
US3991367A (en) Detection of potential on high-voltage transmission lines
US5153565A (en) Fault indicator having electrostatically-actuated indicator flag
CA2265228C (fr) Indicateur de defauts fournissant la fermeture de contact au moment de la detection de defauts
US7746051B1 (en) Voltmeter with dual displays
GB2388723A (en) Monitoring wiring systems of aircraft
US3524178A (en) Voltage indicator and test device
US5363088A (en) Voltage monitor for alternating current power system
US3970932A (en) Hot line detection system for high voltage switchgear
CA2198949C (fr) Indicateur de defaillance a reinitialisation synchronisee, sensible au courant de defaut
US5406195A (en) Phase-to-phase voltage monitor for three-phase power distribution system
US5095265A (en) Circuit status indicator having liquid crystal display
US6998832B1 (en) High-voltage indicating apparatus and method
CA1283721C (fr) Dispositif servant dans un appareil de detection et de reperage d'informations en rapport avec un evenement
CA2049685C (fr) Detecteur de tension a grande impedance avec diviseur de tension capacitif
US3612994A (en) Cable insulation tester having a liquid immersed annular electrode
WO1988000718A1 (fr) Procede de detection a distance d'un champ electrique
US5309499A (en) Communications line testing

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed