CH619543A5 - - Google Patents

Download PDF

Info

Publication number
CH619543A5
CH619543A5 CH76678A CH76678A CH619543A5 CH 619543 A5 CH619543 A5 CH 619543A5 CH 76678 A CH76678 A CH 76678A CH 76678 A CH76678 A CH 76678A CH 619543 A5 CH619543 A5 CH 619543A5
Authority
CH
Switzerland
Prior art keywords
short
phase
voltage
circuit
current
Prior art date
Application number
CH76678A
Other languages
English (en)
French (fr)
Inventor
Paul Rageth
Original Assignee
Electricite Neuchateloise 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 Electricite Neuchateloise Sa filed Critical Electricite Neuchateloise Sa
Priority to CH76678A priority Critical patent/CH619543A5/fr
Priority to JP50029279A priority patent/JPS55500043A/ja
Priority to PCT/CH1979/000002 priority patent/WO1979000545A1/de
Priority to GB8102760A priority patent/GB2068568A/en
Priority to EP19790900113 priority patent/EP0009486A1/fr
Publication of CH619543A5 publication Critical patent/CH619543A5/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Measurement Of Current Or Voltage (AREA)
CH76678A 1978-01-25 1978-01-25 CH619543A5 (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH76678A CH619543A5 (nl) 1978-01-25 1978-01-25
JP50029279A JPS55500043A (nl) 1978-01-25 1979-01-04
PCT/CH1979/000002 WO1979000545A1 (fr) 1978-01-25 1979-01-04 Appareil de mesure des courants de court-circuit mono-bi et tripolaires sur les reseaux a basse tension
GB8102760A GB2068568A (en) 1978-01-25 1979-01-04 Measuring device for one-, two and three-phase short-circuit currents on low-voltage networks
EP19790900113 EP0009486A1 (fr) 1978-01-25 1979-08-28 Appareil de mesure des courants de court-circuit mono-bi et tripolaires sur les reseaux a basse tension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH76678A CH619543A5 (nl) 1978-01-25 1978-01-25

Publications (1)

Publication Number Publication Date
CH619543A5 true CH619543A5 (nl) 1980-09-30

Family

ID=4194674

Family Applications (1)

Application Number Title Priority Date Filing Date
CH76678A CH619543A5 (nl) 1978-01-25 1978-01-25

Country Status (4)

Country Link
EP (1) EP0009486A1 (nl)
JP (1) JPS55500043A (nl)
CH (1) CH619543A5 (nl)
WO (1) WO1979000545A1 (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4026799A1 (de) * 1990-08-24 1992-02-27 Licentia Gmbh Verfahren zur selektiven erfassung von fehlern der leiter in hoch- und hoechstspannungsnetzen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1594736A (nl) * 1968-10-24 1970-06-08
JPS5332848B2 (nl) * 1973-07-19 1978-09-11
AT337307B (de) * 1973-11-29 1977-06-27 Goerz Electro Gmbh Schaltung zum messen des innenwiderstandes eines wechselstromnetzes
US3976941A (en) * 1974-09-13 1976-08-24 General Electric Company Auto-ranging system for an electronic energy meter
FR2334963A1 (fr) * 1975-12-12 1977-07-08 Manuel Andre Dispositif de mesure de l'impedance de boucle avec affichage numerique des donnees

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4026799A1 (de) * 1990-08-24 1992-02-27 Licentia Gmbh Verfahren zur selektiven erfassung von fehlern der leiter in hoch- und hoechstspannungsnetzen

Also Published As

Publication number Publication date
WO1979000545A1 (fr) 1979-08-23
JPS55500043A (nl) 1980-01-31
EP0009486A1 (fr) 1980-04-16

Similar Documents

Publication Publication Date Title
CA2112451C (en) Circuit analyzing system
US6091237A (en) Three-phrase clamp-type power meter
US6147484A (en) Device for measuring power using switchable impedance
JPH10326902A (ja) 太陽電池出力特性の測定装置及びその測定方法
US4818947A (en) Apparatus for measuring harmonic distortion in a conductor, and methods of constructing and utilizing same
FR2584195A1 (fr) Pince amperemetrique a effet hall
EP0354841B1 (fr) Dispositif de surveillance du deséquilibre de la puissance électrique appelée sur les lignes conductrices d'un réseau électrique alternatif ou d'une installation intérieure triphasé
US5170114A (en) Harmonimeter input circuit and methods of constructing and utilizing same
CH619543A5 (nl)
US4902960A (en) Voltage input for harmonimeter, and methods of constructing and utilizing same
EP0544589B1 (fr) Dispositif de mesure du taux de charge réel d'un générateur électrique
DE2855165A1 (de) Elektrisches messgeraet
RU2674513C1 (ru) Однополупериодная схема для испытания электросчётчиков на неконтролируемый отбор электроэнергии
CN209784498U (zh) 交直流开关电子脱扣器校验仪
FR2562673A1 (fr) Dispositif de mesure de courant dans un tableau ou coffret de distribution electrique
RU2344428C1 (ru) Способ проверки работоспособности электронного счетчика электроэнергии с двумя токовыми измерительными цепями и схема его осуществления
EP3245703B1 (fr) Système de raccordement d'un générateur décentralisé monophase à un réseau triphase
US3651399A (en) Apparatus and method for determining conductivity of wiring installations
RU2092862C1 (ru) Способ контроля изоляции в сетях с глухозаземленной нейтралью и устройство для его осуществления
US3986114A (en) Watt-hour counter
US2337962A (en) Method and apparatus for determining resistance of ground connections
FR2685087A1 (fr) Wattmetre electrotechnique a multiplicateur analogique.
TWI299086B (en) Detecting device
US3838340A (en) Direct reading wattmeter for measuring the true watts power consumption of an a.c. circuit
US3684958A (en) Apparatus including capacitive bridge circuit for measuring ac power losses

Legal Events

Date Code Title Description
PL Patent ceased