User manual 09/2009 - Schneider Electric

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User manual 09/2009 - Schneider Electric

The Metering Function3.1 Measurement TechniquesAimThis section describes the measurement characteristics and techniques used by Micrologic trip units.What's in this Section?This section contains the following topics:TopicPageReal-Time Measurements 75Calculating Demand values (Micrologic E) 78Power Metering (Micrologic E) 80Power Calculation Algorithm 83Energy Metering (Micrologic E) 85Harmonic Currents 87Metering Energy Quality Indicators (Micrologic E) 89Power factor PF and cos ϕ measurement (Micrologic E) 9174 LV434104 09/2009

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