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The use of batteries and other electrochemical devices in modern power systems is rapidly increasing, with stricter requirements in terms of cost, efficiency and reliability. Innovative monitoring solutions are therefore urged to allow a successful development of a wide range of emerging applications, including electric vehicles and large-scale energy storage to support renewable energy generation...
Frequency-domain current signature analysis for fault detection on induction machines typically requires a very fine frequency resolution to distinguish between spectral components that differ from each other by multiples of the (usually very low) slip frequency. It is well known that if such a high resolution is not achieved, significant leakage errors may arise and misleading diagnostic information...
This paper proposes a new design solution for high-current shunt resistors aiming at optimizing the frequency response in a specified frequency range. It is based on a solid cylindrical shunt, whose sensing circuit runs through a straight hole drilled in the shunt itself. Compared to other solutions proposed in the literature, typically based on coaxial or cage configurations, this approach allows...
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