SU577486A1

SU577486A1 - Arrangement for measuring magnetic flux

Info

Publication number: SU577486A1
Application number: SU7602376368A
Authority: SU
Inventors: Григорий Михайлович Левин; Николай Алексеевич Корженков
Original assignee: Предприятие П/Я М-5973
Priority date: 1976-06-21
Filing date: 1976-06-21
Publication date: 1977-10-25

Description

ройства 4 пропорционально магнитному пс току апектродвигател .4 is proportional to the aptv magnetic drive current.

Аналитически устройство функшюннрует согласно уравнени м,Analytically, the device functions according to the equations

Напр жение датчика 2 ЗДС определ еахг равенствомThe voltage of the sensor 2 PDS is determined by the equality

Ve Kinip,Ve Kinip,

(i;(i;

где - напр жение на выходе датчика where is the voltage at the sensor output

ЭДС}Emf}

П - частота ьрашени электродвигател ; ф - магнитный поток эпектродвигатеп ; коэф(|йщиент пропорциональности,. Напр жение тахогенератора 3 определ ет с равенствомP - frequency of the electric motor; f is the magnetic flux of the motor; koef (proportionality factor, |. The voltage of the tachogenerator 3 determines with equality

У к,-пW k, p

(2)(2)

где V - напр жение тахогенератора; то Кд- коэффициент пропорциональнооwhere V is the voltage of the tachogenerator; then cd is a coefficient proportional to

ти. ti.

Напр жение на выходе делительного устойства 4 определ етс равенством The output voltage of the separating device 4 is determined by the equality

VPVP

(3)(3)

VcpVcp

KjnKjn

пP

где Уф- выходное напр жение делительно- Юwhere UV is the output voltage of the divider- Yu

„ го устройства; коэффициент пропорциональности.The device; coefficient of proportionality.

Из уравнени (3) следует, что БЫХОДПОО напр жение делительного устройства 4, ixyществл ющего деление напр жений, iiponopuiiональных ЭДС и скорости электродвигател пропорционально магнитному потоку апектродБИгател .,It follows from equation (3) that the VOLTAGE of the divider device 4, the ix division of voltages, the iiponopuion emf and the speed of the electric motor is proportional to the magnetic flux of the actor.

Claims

Invention Formula

1. The device dp measuring the magnetic flux containing a direct current motor, in series and in parallel

with which resistors are included, as well as an electric motor parameter sensor, characterized in that, in order to improve the accuracy and simplify the process of measuring the magnetic flux, it is additionally equipped with an electric motor EMF sensor and a divider device, with the outputs of both sensors connected to the divider inputs,

2, The device according to claim 1, 1, and so on. Fi and that is a parameter sensor:

25 mover is designed as a tachogenerator.

Sources of information taken into account in the examination:

1, USSR author's certificate

No. 122518, M.C. M.02R 5/06, 1959,

2, USSR Author's Certificate N9208823, M .-. KTI P 5/06, .1968,