PowerSense-Series APT Multi-Function Power Metering/Sensing/Relay Panel

   Standard Features

The following true RMS, 3 element power metering of each power source and bus shall be provided as a minimum:

1. Line to line voltages:
   • Vab, Vbc, Vca
2. Phase currents:
   • Ia, Ib, Ic
3. Frequency, Hz
4. Three phase power parameters:
   • kW (per phase and total)
   • Power Factor (per phase and total)
   • KVAR (per phase and total)
   • kVA (per phase and total)
5. Three energy export and import power parameters:
   • kWh, kVARh, kVAh
6. Power Quality parameters:
   • %THD Volts per phase
   • %THD Amps per phase
   • %TDD Amps per phase
   • K-factor per phase
   • Individual odd voltage harmonics per phase up to order 39
   • Individual odd current harmonics per phase up to order 39
   • Fundamental component of KW and Power Factor (per phase and total)
7. Other parameters:
   • Percent ampere peak capacity of the highest phase
   • Neutral current
   • Current unbalance
   • Voltage unbalance
   • Maximum kW demand
   • Maximum kVA demand
   • Minimum and maximum values for voltages, currents frequency and power parameters