Pt/Ct Correction; Configuring Pt/Ct Correction; Using Ion Setup - Power Measurement ION 8300 User Manual

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PT/CT Correction

PT/CT Correction

Configuring PT/CT Correction

Page 148
The primary application for PT/CT correction is to apply correction factors for ratio
errors and phase angle errors to instrument transformers. Instrument transformer
correction reduces or eliminates the need to replace transformers in installations
where high-accuracy is required.
PT/CT Correction (the Instr Xformer module in the meter's firmware) can be
configured in the ION 8000 series via ION software.

Using ION Setup

In the following ION Setup example, the PT/CT Correction Setup Assistant allows
you to configure the Instr Xformer modules on the ION meters.
1.
Open ION Setup and connect, in Basic Mode, to the desired meter.
2.
Open the Revenue folder in the Setup Assistant and click PT/CT Correction.
3.
For each desired tab, select the Correction Type, and input the Ratio Correction
Test Data and the Phase Correction Test Data points.
N
OTE
You may select a maximum of eight (8) test points.
The Instrument Transformer Correction module is a core module; there is an ITC
module for each current input (I1, I2, I3, I4) and for each voltage input to the meter
(V1, V2, V3). Note that the correction affects only the 1-second values in the Power
Meter module. No high-speed, harmonics, or waveform values are affected by the
correction. For more information, see the ITC (Instr Xformer) module description in
the online ION Reference.
ION 8000 Series User Guide
Chapter 13 - Revenue

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