41
Note (7) - In balanced three-phases, with deformed signals (THD and harmonics),
uncertainties are guaranted since Ф > 30°. Additionals errors are following ,
depending of THD :
Add +1% for 10% < THD < 20%
Add +3% for 20% < THD < 30%
Add +5% for 30% < THD < 40%
4.2.13 Active AC+DC power measurements
Measurement
range (2) (4)
5 W to
9999 W
to
100.0 kW to
999.9 kW
1000 kW to
1500 kW (1)
measurement
1 to 100% of the
measurement range
0 to 100% of the measurement range
(3) (7)
± (2% R +10 pt)
from 1000A to 1500A
± (2% R +3 pt)
from 1000A to 1500A
Note (1) - The bandwith is 3 kHz in voltage and 2 kHz in current in AC
Notes (2), (3), (4), 5, 6 and (7) of the previous § apply.
4.2.14 Measurement of apparent AC power
Measurement
range (2) (4)
1000 kVA (1)
measurement
measurement
0 to 100% of the measurement range
Note (1) - The bandwith is 3 kHz in voltage and 2 kHz in current in AC
Notes (2), (3) and (4) of the previous § apply.