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This paper discusses the calibration of Rogowski coils with an integrator for measuring high currents up to 30 kA at mains frequency. It highlights the differences in calibration results when using a current loop versus a single turn, emphasizing the impact of winding unevenness and cross-section variations on measurement accuracy. The findings indicate that while a current loop can be effectively used for calibration, discrepancies may arise due to coil construction and magnetic field shape.

Author

Ajvanhoe Ajvanhoe

Language

EN