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4. Flux-compensated current sensor
Principle
This type of current transducer operates in a closed loop. The principle is shown in figure
11
. The current to be measured I generates a flux in the magnetic circuit. It is compensated by the current i
2
from the amplifier to permanently cancel the ampere-turns :
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Flux-compensated current sensor
Open-loop current transducer associated with a transformer
References
- (1) - - Les capteurs de courant de marque LEM : http://www.lem.com/
- (2) - - Capteur d'induction et de courant de marque Honeywell :
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