Improvements in GMI Probe Design for Time-Domain Transient Current Measurements
Measurement techniques for time-domain transient currents are widely needed in many EMC applications. Demonstrated to have a lot of potential for this purpose, giant magnetio-impedance (GMI) probes are studied in this paper. Improvements in the probe design, including a balanced circuit for increased signal to noise ratio and an on-probe magnetic-field bias circuit, are proposed. These improvements in the probe design make the GMI probes more suitable for practical applications of time-domain transient current measurements.
F. Zhou et al., "Improvements in GMI Probe Design for Time-Domain Transient Current Measurements," Proceedings of the IEEE International Symposium on Electromagnetic Compatibility (2010, Fort Lauderdale, FL), pp. 340-343, Institute of Electrical and Electronics Engineers (IEEE), Jul 2010.
The definitive version is available at http://dx.doi.org/10.1109/ISEMC.2010.5711297
IEEE International Symposium on Electromagnetic Compatibility (2010: Jul. 25-30, Fort Lauderdale, FL)
Electrical and Computer Engineering
Electromagnetic Compatibility (EMC) Laboratory
Keywords and Phrases
Bias Circuits; Measurement Techniques; Probe Design; Time Domain; Transient Current; Transient-current Measurements; Design; Electric Current Measurement; Electric Fault Currents; Electromagnetic Compatibility; Electromagnetism; Magnetic Domains; Power Quality; Probes; Signal to Noise Ratio; Transients; Time Domain Analysis
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