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2 ½ Element without Voltage Channel B
Channels A and C are connected to voltage. Current probes are
connected to channels A, B and C. 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.
NOTE
Be sure to connect the current probe with the arrow
pointing towards the load or an erroneous power reading
will result.
Phasor
Diagrams
HDPQ-DN-MVB-107
34
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