DISPOSITIVO DE MEDICAO DAS CORRENTES DE FASE DE UMA INSTALACAO TRIFASICA

The invention relates to a system using Rogowski coils to measure the phase currents in a three-phase installation. Each coil (1, 2, 3) is connected firstly to a corresponding operational amplifier (10, 20, 30) connected as an integrator, and secondly to a corresponding inverter (100, 200, 300) whos...

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Bibliographic Details
Main Author JEAN-PIERRE DUPRAZ
Format Patent
LanguagePortuguese
Published 17.04.1990
Edition5
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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