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When the ION8650 is set to 35 or 35S, 4-Wire WYE, 2 PTs, 3 CTs, the meter does not seem to read correctly.
***This configuration can affect some of the meters parameter calculations. Contact Schneider Electric for details.***
This configuration will work for measuring total power. When an ION8650/8600 series meter is applied in this way, some of the many parameters that are provided appear to be calculated incorrectly because of the way the Volts Mode works.
Please note: The following setup does not work for unbalanced systems.
Will not be displayed, because DELTA mode does not display line-to-neutral voltages.
Vab and Vbc will display phase to neutral voltages. Vca will correctly show the phase-to-phase voltage. Vll avg will be incorrect.
Since the CT secondary windings are delta connected, the displayed Ib value is ?(3) * ?(3) or 3 times larger than Ia and Ic. Where Ia = ?(3)I1 AND Ic = ?(3)I3 and the I1 and I3 are currents in the primary.
The kW total will be correct.
The kVAr total will be correct.
The kVA total will be correct.
The PF total will be correct.
Summary for Delta Mode:
|Vca||Vab, Vbc,- Incorrectly shows Vln values|
|kW tot||Vll avg - Incorrect|
|kVAr tot||Ia, Ib, Ic - Incorrect|