Operating principles
AC meters Electronic meters
Article REF: D4954 V1
Operating principles
AC meters Electronic meters

Author : Pierre FERRAND

Publication date: May 10, 2004 | Lire en français

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1. Operating principles

1.1 General

For electronic electricity meters, the measurement principles are generally those described in § 1.1 of the chapter on AC meters. General information. The fundamental formula for measuring electrical energy is always represented by the integral : ∫0tu(t)i(t) dt

with :

u (t)
 : 
instantaneous network voltage
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