RO92016B1 - Device for measuring alternating currents - Google Patents

Device for measuring alternating currents

Info

Publication number
RO92016B1
RO92016B1 RO116797A RO11679784A RO92016B1 RO 92016 B1 RO92016 B1 RO 92016B1 RO 116797 A RO116797 A RO 116797A RO 11679784 A RO11679784 A RO 11679784A RO 92016 B1 RO92016 B1 RO 92016B1
Authority
RO
Romania
Prior art keywords
measuring
alternating currents
diagonals
clamp
zero point
Prior art date
Application number
RO116797A
Other languages
Romanian (ro)
Other versions
RO92016A2 (en
Inventor
Liviu-Constantin Cadinoiu
Original Assignee
îNTREPRINDEREA INDUSTRIALA DE STAT "ELECTROCONTACT"
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 îNTREPRINDEREA INDUSTRIALA DE STAT "ELECTROCONTACT" filed Critical îNTREPRINDEREA INDUSTRIALA DE STAT "ELECTROCONTACT"
Priority to RO116797A priority Critical patent/RO92016B1/en
Publication of RO92016A2 publication Critical patent/RO92016A2/en
Publication of RO92016B1 publication Critical patent/RO92016B1/en

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  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

Inventia se refera la un dispozitiv pentru masurarea curentilor alternativi în retele de joasa tensiune. Dispozitivul conform inventiei cuprinde un cleste ampermetric, care este format dintr-un miez magnetic pe a carui portiune fixa este situata o bobina, care prezinta la borne o tensiune proportionala cu curentul de masurat ce trece printr-un conductor în scopul mpsurarii curentilor alternativi într-o gama larga de valori, tensiunea de la iesirea clestelui ampermetic fiind aplicta, prin intermediul atasabil, constituit dintr-o punte redresoare, realizata cu diode redresoare, a carui iesire este racordata la un volmetru electronic realizat cu doua tranzitoare conectate pe doua diagonale ale unei punti, diagonale pe care sunt conectate elemente de reglare a punctului de zero, emitoarele tranzistoarelor fiind conectate la un instrument universal de masura continuu si un grup de potentiometre pentru reglarea punctului de zero si a sensibilitatii adaptorului.The invention relates to a device for measuring alternating currents in low voltage networks. According to the invention, the device comprises an ampermetric clamp which consists of a magnetic core on which the fixed part is located a coil, which presents at the terminals a voltage proportional to the measuring current flowing through a conductor for the purpose of measuring the alternating currents, a wide range of values, the voltage at the output of the ampermetal clamp being applied by means of a rectifier bridge, made of rectifier diodes, whose output is connected to an electronic choke made with two transients connected on two diagonals of a bridges, diagonals on which zero point adjustment elements are connected, transistor emitters being connected to a universal continuous measuring instrument and a set of potentiometers for zero point adjustment and adapter sensitivity.

RO116797A 1984-12-21 1984-12-21 Device for measuring alternating currents RO92016B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO116797A RO92016B1 (en) 1984-12-21 1984-12-21 Device for measuring alternating currents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO116797A RO92016B1 (en) 1984-12-21 1984-12-21 Device for measuring alternating currents

Publications (2)

Publication Number Publication Date
RO92016A2 RO92016A2 (en) 1987-06-30
RO92016B1 true RO92016B1 (en) 1987-07-02

Family

ID=20116113

Family Applications (1)

Application Number Title Priority Date Filing Date
RO116797A RO92016B1 (en) 1984-12-21 1984-12-21 Device for measuring alternating currents

Country Status (1)

Country Link
RO (1) RO92016B1 (en)

Also Published As

Publication number Publication date
RO92016A2 (en) 1987-06-30

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