Shunt-Based Current Sensing with ??-Modulation in Inverters

Posted:
01 Jun 2017
Authors:
Matthias Hilpert, Tobias Wolff
Primary Committee:
IEEE Power & Energy Society Webinar Series
Page/Slide Count:
Time: 00:40:25
Technology Overview Facts, advantages, and challenges of traditional CT current sensing solutions vs. shunt-based current sensing solutions Explaining the ASIC of a shunt-based current sensing solution Parameters that influence the accuracy of a measurement system and procedures to keep those influences low ??-Modulation Principle Delta Sigma modulation and its advantages ??-modulator output vs. measured current value Processing a 1-bit data stream with decimation filters and converting it into a readable digital value Showcase Measurement Demonstration Configuring filter settings The effects of filter settings and oversampling rates on the current sensing output signal shown in an experimental setup

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