Abstract
A current transducer based on a Rogowski coil is developed to detect nanosecond pulse signals of the discharge current with a wide bandwidth of 232 kHz–120 MHz and high sensitivity of 2.22 V A−1. Performance tests show that the current transducer has both excellent dynamic and static characteristics. Calibration results and a comparison between a standard current shunt and the developed transducer for measurements of nanosecond discharge pulses demonstrate that the developed current transducer can reproduce the actual waveform of the discharge current accurately.
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