U
SER MANUAL
–
ENERIUM
100/200/300
MS1-7352 ENERIUM100/200/300_ Ed04 User Manual
Page 31 / 86
7.2 Electrical quantities and units
Quantity
Unit
Designation
EP
Wh
Real energy in watt-hours
EQ
Varh
Reactive energy in reactive volt-ampere-hours
ES
VAh
Apparent energy in volt-ampere-hours
F
Hz
Frequency in Hertz
FP
Power factor
Hxx Ia
%
Level of harmonic current of order ‘xx’ in conductor a (a = 1, 2 or 3)
Hxx Uab
%
Level of harmonic line voltage of order ‘xx’ (ab = 12, 23 or 31)
I
A
True rms line current
I Max DMD
A
Average peak current
In
A
True rms neutral current
P
W
Real power in watts
Pavg
W
Average real power in watts
Q
Var
Reactive power in vars
S
VA
Apparent power in VA
Savg
VA
Average apparent power in VA
THD I
%
Current THD
THD U
%
Line voltage THD
U
V
True line voltage in volts
V
V
Phase voltage in volts
VT
V
True RMS voltage between neutral and earth in volts