41
Note (7) - In balanced three-phases, with deformed signals (THD and
harmonics), accuracies are guaranteed since Ф > 30°. Additional 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
(2) (4)
(1)
Measurement
1 to 100% of the
measurement range
0 to 100%
of the measurement range
Note (1) Bandwidth in AC in voltage = 3kHz, in current = 3kHz
Notes (2), (3), (4), (5), (6) and 7 of the previous § apply.