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Study of an inductive sensor for measuring high frequency current pulses

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URI: http://hdl.handle.net/10016/11002
ISSN: 0018-9456
DOI: 10.1109/TIM.2010.2090056
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TIM.2010.2090056.pdf (962.31 KB)
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2011-05
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IEEE
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Abstract
The objective of this paper is to present a simple sensor based on Faraday’s Law together with an integration and amplifying stage and used this for measuring fast current pulses. Its behavior in time and frequency is tested by measuring Partial Discharges (PD) in electric insulation systems following the guidelines given in the standard IEC 60270. The measurements are also taken with two other sensors, a commercial high frequency current transformer and a resistive transducer, with the aim of comparing the results obtained with the proposed probe and obtaining an estimation of its sensitivity. An estimation of the uncertainty of the measurements is also calculated obtaining an error similar to other commercial devices.
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Differential amplifiers, Electromagnetic induction, Partial discharges, Pulse measurements, Transducers, Uncertainty
Bibliographic citation
IEEE Transactions on Instrumentation and Measurement, vol. 60, Issue 5 (may 2011), p. 1893-1900
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