Dranetz Visa Spécifications télécharger pdf (Page 17)

3 Phase, Four Wire Wye

Channels A, B, and C are connected to voltage and current

probes. The neutral is connected to common and is the

reference for the three channels. The figure also shows voltage

connection using channel D as a differential input for measuring

neutral to ground voltage. Neutral to ground measurements are

important but optional.

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Dranetz Visa Spécifications Page 17