Harmonics; K Factor (Kf) - Chauvin Arnoux F27 Notice De Fonctionnement

5.8 HARMONICS

Particular reference conditions
- Signal without inter-harmonics whose fundamental is greater than the other harmonic components and the DC
component.
- Min value of the RMS signal 10 V or 10 A
- Fundamental frequency 50 Hz ± 0.05 Hz
- Crest factor of the signal ≤ 5
- Operating range :
- Frequency analysis band
Measurement range
Total THD and harmonic rate order by order
Total DF and distortion factor order by order
Accuracy on total THD
Accuracy on total DF
Accuracy order by order in rms value (A or V)
or as a rate (%) of THD and DF
(zero corrected on amps)

5.9 K FACTOR (KF)

Measurement range
Accuracy
Resolution
5.10 SINGLE / 3-PHASE POWERS AND ASSOCIATED QUANTITIES
Particular reference conditions
- On DC : AC component < 0.1% of the DC signal
- On AC : Sinusoidal signals : Cos ϕ = 1 - Frequency 45...65 Hz
- Measurement range on frequency : 0.5 Hz to 1 kHz (except on reactive power and DPF : 40...70 Hz)
!
On 3-phase, the measurement is only exact for sinusoidal signals.
Active power (W)
Measurement range
Accuracy
(with corrected zero)
Resolution
NB : The measurement of active power has a ± sign.
Above 600 V / 1000 A i.e. 600 kW, the display indicates "OL".
on AC mode : harmonics of order 1 to 25
on AC + DC mode : all harmonic orders (H01 to H25) plus the DC component (Hdc)
: 0 to 25 times the fundamental frequency between 40 and 70 Hz
KF
5% rdg ± 2 counts
10...5999 W
1 W
Rate > 10% and order < 13 : 5% rdg ± 2 counts
Rate > 10% and order > 13 : 10% rdg ± 2 counts
Rate < 10% and order < 13 : 10% rdg ± 2 counts
Rate < 10% and order > 13 : 15% rdg ± 2 counts
1.0...9,9
0.1
6.00...59.99 kW
2% rdg ± 2 counts
10 W
36
0.2%...600%
0.2%...100%
1% rdg ± 2 counts
1% rdg ± 2 counts
10.0...30
10% rdg ± 2 counts
60.0...599.9 kW
100 W