Appx.2
Fundamental Measurement Items
Item Display Item Display
Active power P Voltage zero-phase unbalance
factor
Uunb0
Apparent power S Current negative-phase
unbalance factor
Iunb
Reactive power Q Current zero-phase unbalance
factor
Iunb0
Active energy
(Consumption)
WP+ K factor KF
Active energy
(Regeneration)
WP-
Reactive energy (Lag) WQ_LAG
Reactive energy (Lead) WQ_LEAD
Apparent energy WS
Energy cost Ecost