Inductieve meetsystemen zonder ijzer : rogowskispoelen

SIMPLE AIR-CORED PICKUP LOOPS AND COILS FOR THE MEASUREMENT OF CURRENTS, HAVE THE ADVANTAGE OF FLEXIBILITY AND LINEARITY (NO IRON). THE BAND WIDTH CAN BE LARGE. AN EXAMPLE IS THE TOROIDAL LY SHAPED R0G0W5KI COIL WHICH MEASURES THE TO TAL CURRENT IT ENCLOSES. CURRENTS THAT ARE NOT REALLY ACCESSIBLE, AS IN A ROTATING AXIS, IN AN EXISTING HIGH-VOLTAGE CABLE OR IN A RING-SHAPED FUSION PLASMA ARE EASILY MEASURED SINCE THE SENSORS DISCUSSED HERE ARE OF THE DIF FERENTIATING TYPE, AN APPROPRIATE INTEGRATOR SHOULD BE USED. THE RESULTING D/I MEASURING SYSTEM HAS EXCELLENT EMC (ELECTROMAGNETIC COMPATIBILITY) PROPERTIES. THE CONVENIENCE OF THESE MEASURING SYSTEMS WITH AIR-CORED COILS WAS CONFIRMED DURING MANY PROJECTS BY THE TUE/EHC GROUP.