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December 30, 2020
Accurate Measurement of Energy Dissipated in Braking Rheostats in DC Railway Systems
Helko van den Brom , Domenico Giordano , Daniele Gallo , et al.
December 30, 2020
Calibrating Sensors to Measure Braking Chopper Currents in DC Traction Units
Helko van den Brom and Ronald van Leeuwen
December 30, 2020
Measuring the Voltage Dependence of Current Transformers
Helko van den Brom , Ronald van Leeuwen , Gert Rietveld , et al.
December 30, 2020
Towards improved standardization of electricity meter testing
Helko van den Brom , Gert Rietveld , Dennis Hoogenboom , et al.
April 02, 2020
Characterization of DC Current Sensors With AC Distortion for Railway Applications
Helko van den Brom , Ralph Hornecker , Ronald van Leeuwen , et al.