Design of a Rogowski Coil with a Magnetic Core Used for Measurements of Nanosecond Current Pulses

【摘要】 <正> A Rogowski coil is developed to detect the nanosecond pulse signals of the dischargecurrent with a wide bandwidth of 800 kHz to 106 MHz and high sensitivity of 2.22 V/A. Perfor-mance tests show that the Rogowski coil has both excellent dynamic and static characteristics.Calibrating results and the comparison between the standard current shunt and the developed Ro-gowski coil for the measurement of nanosecond discharge pulses demonstrate that the developedRogowski coil can reproduce the actual waveform of the discharge current accurately.更多还原

【Abstract】 A Rogowski coil is developed to detect the nanosecond pulse signals of the discharge current with a wide bandwidth of 800 kHz to 106 MHz and high sensitivity of 2.22 V/A. Perfor- mance tests show that the Rogowski coil has both excellent dynamic and static characteristics. Calibrating results and the comparison between the standard current shunt and the developed Ro- gowski coil for the measurement of nanosecond discharge pulses demonstrate that the developed Rogowski coil can reproduce the actual waveform of the discharge current accurately.更多还原