Improved current sensor

Details Improved current sensor Improved current sensor

G - Physics

01

R

G01R 15/18 (2006.01) G01R 19/20 (2006.01)

Patent

CA 2707102

To produce an insulated current sensor suitable for slaving power devices in the field of avionics, use is made of a magnetic torus (201) through which there passes an element (202) traversed by a current to be measured. The magnetic torus comprises a secondary winding across the terminals of which are connected an oscillator (204) and a measurement device (205). The cooperation of the oscillator and of the measurement device makes it possible to circumvent all the traditional drifting of current sensors.

Pour réaliser un capteur de courant isolé et adapté à l'asservissement de dispositifs de puissance dans le domaine de l'avionique on utilise un tore magnétique (201) a travers lequel passe un élément (202) traversé par un courant à mesurer. Le tore magnétique comporte un enroulement secondaire au bornes duquel sont connectés un oscillateur (204) et un dispositif (205) de 10 mesure. La coopération de l'oscillateur et du dispositif de mesure permet

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