ND MultiCube Single Phase, Инструкция по установке и эксплуатации

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Meter Operation
Page 10 Single Phase MultiCube
PF, Hz, VA
Power Factor (‘-’ denotes capacitive).
Frequency detected on voltage input signal.
Instantaneous VA calculated as Volts x Amps.
PF, Hz, var
Power Factor (‘-’ denotes capacitive).
Frequency detected on voltage input signal.
Instantaneous var calculated as:
var =
√
(VA
2
- W
2
)
(‘-’ denotes Export).
Watts Demand
MD based on rolling average of instantaneous kW :
Peak kW MD (largest since last reset)
Current Period kW MD
Instantaneous kW
Import Wh Register
Instantaneous watts integrated over time is
accumulated in this register while the load is receiving
real power.
The most significant 7
th
digit is displayed on the
middle line.