RO97081B1 - Ac/dc precision converter - Google Patents

Ac/dc precision converter

Info

Publication number
RO97081B1
RO97081B1 RO126990A RO12699087A RO97081B1 RO 97081 B1 RO97081 B1 RO 97081B1 RO 126990 A RO126990 A RO 126990A RO 12699087 A RO12699087 A RO 12699087A RO 97081 B1 RO97081 B1 RO 97081B1
Authority
RO
Romania
Prior art keywords
voltage
precision
converter
voltmeters
alternating
Prior art date
Application number
RO126990A
Other languages
Romanian (ro)
Inventor
Adrian-Romica Stoenescu
Original Assignee
îNTREPRINDEREA DE APARATE ELECTRICE DE MASURAT
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 DE APARATE ELECTRICE DE MASURAT filed Critical îNTREPRINDEREA DE APARATE ELECTRICE DE MASURAT
Priority to RO126990A priority Critical patent/RO97081B1/en
Publication of RO97081B1 publication Critical patent/RO97081B1/en

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Abstract

Inventia se refera la un convertor curent alternativ / curent continuu de precizie destinat conversiei tensiunii alternative într-o tensiune continua în vederea masurarii, utilizat în voltmetre de precizie. Redresarea tensiunii alternative este realizata cu ajutorul unui comutator electronic (comandat de un etaj de sesizare a polaritatii tensiunii) care transmite tensiunea de intrare numai pentru una din polaritasile acesteia, realizându-se o redresare monoalternanta, dupa care urmeaza o filtrare a tensiunii obtinute. Convertorul poate fi utilizat în voltmetrele electronice de precizie destinate masurarii tensiunilor alternative.The invention relates to an AC / DC precision converter for converting alternating voltage into a continuous voltage for measurement, used in precision voltmeters. Alternative voltage rectification is achieved by means of an electronic switch (commanded by a voltage polarity reference stage) which transmits the input voltage only to one of its polarities, achieving a mono-alternating rectifier, followed by a voltage filtering. The converter can be used in precision electronic voltmeters designed to measure alternate voltages.

RO126990A 1987-02-13 1987-02-13 Ac/dc precision converter RO97081B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO126990A RO97081B1 (en) 1987-02-13 1987-02-13 Ac/dc precision converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO126990A RO97081B1 (en) 1987-02-13 1987-02-13 Ac/dc precision converter

Publications (1)

Publication Number Publication Date
RO97081B1 true RO97081B1 (en) 1989-08-03

Family

ID=40905395

Family Applications (1)

Application Number Title Priority Date Filing Date
RO126990A RO97081B1 (en) 1987-02-13 1987-02-13 Ac/dc precision converter

Country Status (1)

Country Link
RO (1) RO97081B1 (en)

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