SU137967A1 - AC voltage measuring device - Google Patents

AC voltage measuring device

Info

Publication number
SU137967A1
SU137967A1 SU669772A SU669772A SU137967A1 SU 137967 A1 SU137967 A1 SU 137967A1 SU 669772 A SU669772 A SU 669772A SU 669772 A SU669772 A SU 669772A SU 137967 A1 SU137967 A1 SU 137967A1
Authority
SU
USSR - Soviet Union
Prior art keywords
measuring device
output
voltage measuring
modulators
voltage
Prior art date
Application number
SU669772A
Other languages
Russian (ru)
Inventor
В.И. Гольдгефтер
Л.Я. Мизюк
Original Assignee
В.И. Гольдгефтер
Л.Я. Мизюк
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 В.И. Гольдгефтер, Л.Я. Мизюк filed Critical В.И. Гольдгефтер
Priority to SU669772A priority Critical patent/SU137967A1/en
Application granted granted Critical
Publication of SU137967A1 publication Critical patent/SU137967A1/en

Links

Description

Известны устройства дл  измерени  переменного тока, включающие резонансные усилители с фазочувствительными детекторами. Однако отсчет величины измер емого сигнала в таких устройствах весьма сложен, так как искомый модуль приходитс  вычисл ть путем извлечени  корн  квадратного из суммы квадратов напр жений на выходе детекторов.Apparatus for measuring alternating current are known, including resonant amplifiers with phase-sensitive detectors. However, the readout of the magnitude of the measured signal in such devices is very complicated, since the sought module must be calculated by extracting the square root of the sum of squares of the voltages at the output of the detectors.

Описываемое устройство позвол ет регистрировать непосредственно модуль измер емого напр жени . Указанный эффект достигаетс  за счет применени  двух фазочувствительных детекторов и двух модул торов, напр жени  возбуждени  у которых сдвинуты на 90°. На выходе модул торов включен сумматор, фильтр, выпр митель и регистрирующий прибор .The described device allows to register directly the module of the measured voltage. This effect is achieved by using two phase-sensitive detectors and two modulators, whose excitation voltages are shifted by 90 °. At the output of the modulators, an adder, a filter, a rectifier and a recording device are turned on.

На фиг. 1 показана блок-схема устройства; на фиг. 2- векторна  диаграмма.FIG. 1 shows a block diagram of the device; in fig. 2- vector diagram.

Устройство имеет два модул тора 1 н 2, на которые поступает напр жение с выхода фазочувствительных детекторов активной и реактивной составл ющих измер емого сигнала - Ui со5ф и Ui siufp, где ф - фазовый угол между опорным и фазовым напр жени ми, а f/i - величина, пропорциональна  модулю измер емого напр жени .The device has two modulators 1 n 2, which are supplied with voltage from the output of phase-sensitive detectors of the active and reactive components of the measured signal - Ui со5ф and Ui siufp, where ф is the phase angle between the reference and phase voltages, and f / i - the value is proportional to the module of the measured voltage.

Напр жени  возбуждени  модул торов сдвинуты на 90° (U и jU). С выхода модул торов сигналы поступают на суммирующую схему 3, на выходе которой включены фильтр 4 и детектор 5. Напр жение с выхода детектора, пропорциональное модулю измер емого напр жени , подаетс  на регистрирующий-прибор.The excitation voltages of the modulators are shifted by 90 ° (U and jU). The modulators output the signals to the summing circuit 3, the output of which includes a filter 4 and a detector 5. A voltage from the output of the detector, proportional to the module of the measured voltage, is fed to the recording instrument.

Предмет изобретени Subject invention

Устройство дл  измерени  переменного напр жени , включающее два фазочувствительных детектора активиой и реактивной составл ющих , отличающеес  тем, что, с целью непосредственного измерени A device for measuring alternating voltage, comprising two phase-sensitive active and reactive component detectors, characterized in that, in order to directly measure

модул  напр жени , оно снабжено дэум  модул торами с фазами возбуждающих напр жений, сдвинутых на 90°, на вход которых подаютс  напр жени , снимаемые с детекторов, а на выходе включены сумм.атор, фильтр, выпр митель и регистрирующий прибор..voltage module, it is equipped with daum modulators with phases of exciting voltages shifted by 90 °, to the input of which voltages are taken from the detectors, and the output includes a sum.ator, filter, rectifier and recording instrument ..

I/I /

Фаг-.. .Phage ...

Фиг. гFIG. g

SU669772A 1960-06-06 1960-06-06 AC voltage measuring device SU137967A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU669772A SU137967A1 (en) 1960-06-06 1960-06-06 AC voltage measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU669772A SU137967A1 (en) 1960-06-06 1960-06-06 AC voltage measuring device

Publications (1)

Publication Number Publication Date
SU137967A1 true SU137967A1 (en) 1960-11-30

Family

ID=48294145

Family Applications (1)

Application Number Title Priority Date Filing Date
SU669772A SU137967A1 (en) 1960-06-06 1960-06-06 AC voltage measuring device

Country Status (1)

Country Link
SU (1) SU137967A1 (en)

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