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Power Recorder
Viewing Live Data
37
Phasor Screen
The Phasor screen shows voltage (long arrows with solid arrowheads), current
amplitudes, and phase angles. This screen is used to verify proper test lead and current
probe connections. You can use the V and A arrows on the upper right of the screen to
change the scaling of voltage and current on the PHASOR diagram.
You can easily correct an erroneous Recorder connection by going directly to
Menu\1750 Setup\Phase Swap (
) and using the Recorder to internally invert a CT,
swap a voltage or CT phase, or modify a scaling parameter, then return to the screen to
verify that the correction has been made. There is no need to touch the cables. See “Phase
Swap” later in the manual for additional information.
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Harmonics Screen
The Harmonics screen shows the magnitudes of the selected phases of V and I. The scale
is % of nominal.
The slider control displays harmonics of a higher order up to the 50
th
. The V and A
scaling arrows are on the screen in the upper right.
If the power type is delta, V phases are AB, BC, and CA (L1L2, L2L3, L3L1 is available
as a localized European labeling scheme). If the power type is Wye, V phases are AN,
BN, CN, and NG. (N = neutral, G = ground).
124.bmp azd
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