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Understanding Measurement Differences Between PMI Recorders and Revenue Meters
This white paper explores why PMI power quality analyzers may report different power consumption values compared to utility revenue meters. It details the operational principles of electromechanical induction and electronic meters, highlighting how design, frequency response, configuration, and installation factors contribute to measurement discrepancies, especially under non-linear load conditions.
Key topics include:
- Electromechanical Induction Meters
- Electronic Meters
- Comparison with PMI Recorders
- Sources of Measurement Variance
Why utilities should care:
Accurate energy measurement is essential for billing, compliance, and grid management. Understanding the differences in meter technologies and their limitations helps ensure reliable data, identify potential errors, and optimize meter selection for diverse load conditions.
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