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Increasing Metering Accuracy by Optimizing the Analog to Digital Converter Characteristics

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2 Author(s)
Travis Mooney ; Schweitzer Engineering Laboratories, Inc. ; Dick Martin

Accuracy is perhaps the most important attribute of high-end metering. The overall accuracy of a metering installation is dependent on a combination of the accuracy of the meter and the instrumentation transformers. Optimization of the analog-to-digital converter (ADC) resolution and the time averaging period in the root mean square (rms) calculation can improve meter accuracy. This paper shows that appropriately changing either of these characteristics can increase the overall metering accuracy

Published in:

2006 Power Systems Conference: Advanced Metering, Protection, Control, Communication, and Distributed Resources

Date of Conference:

14-17 March 2006