1. VAC developed closed loop current sensors utilizes a cobalt-based amorphous soft magnetic probe but not a Hall component as the magnetic field sensor. This type of current sensor can detect current with ranges from 4A to 625A. Compared to normal systems based on Hall sensors, current sensors with this principal possess the applicable advantages listed below:

(1) High measurement accuracy (0.5%)

(2) High linearity (0.2%)

(3) Compact size with strong current measuring ability

(4) Small offset current

(5) Barely temperature drifts

(6) High dynamic range

 

2. Application

(1) Frequency Inverters

(2) UPS

(3) AC Converter – Solar Cells

(4) Battery Charger, AC Converter – Fork Lifts

(5) Battery Charger, Auxiliary Converters – Traction

(6) Welding Machines

(7) Switch Mode Power Supplies

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