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PowerScout HD
Appendix D
APPENDIX D: CT PHASE SHIFTS
Most current transformers sold by DENT Instruments have phase shifts from a few tenths of a degree up
to a few degrees. For energy meters, this phase shift can produce accuracy errors. However, DENT’s
ViewPoint HD software can compensate for CT phase shifts to help maximize reading accuracy. DENT’s
CTs are listed below with their corresponding phase shift values If you are using the desktop version of
ViewPoint HD, these values will automatically be populated for you when using the CT Picker. If you are
configuring your meter through the PSHD Web App, use the table below to find the correct phase shift
value.
CT-HSC-020 Millivolt 20 1.11
CT-HSC-050 Millivolt 50 1.02
CT-HMC-100 Millivolt 100 0.26
CT-HMC-200 Millivolt 200 0.22
CT-SCS-0050 Millivolt 50 3.75
CT-SCS-0100 Millivolt 100 2.7
CT-SCL-0600 Millivolt 600 0.53
CT-SCL-1000 Millivolt 1000 0.51
CT-CON-0150EZ Millivolt 150 2.05
CT-CON-1000 Millivolt 1000 0.44
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