ABB A43, User Manual

Page: 53 / 295

Technical Description
2CMC48001M0201
53 A43/A44
Revision: C User Manual
Accuracy
The accuracy of the current harmonics varies with the harmonic amplitude and is
valid only provided there is no harmonics above the 20th harmonic.
Harmonic 1% < 5% < 10% < 20% < 50% <
Number
Distortion ≤ Distortion ≤ Distortion ≤ Distortion ≤ Distortion ≤
5% 10% 20% 50% 100%
2 ± 0.5%* ± 1.0 ± 2% ± 4% ± 6%
3 ± 0.7%* ± 1.5% ± 3% ± 6% ± 9%
4 ± 1.0% ± 2.0% ± 4% ± 8% ± 12%
5 ± 1.2% ± 2.5% ± 5% ± 10% ± 15%
6 ± 1.5% ± 3.0% ± 6% ± 12% ± 18%
7 ±1.7% ± 3.5% ± 7% ± 14% ± 21%
8 ± 2.0% ± 4.0% ± 8% ± 16% ± 24%
9 ± 2.5% ± 5.0% ± 10% ± 20% ± 30%
10 ± 2.5% ± 5.0% ± 10% ± 20% ± 30%
11 ± 2.5% ± 5.0% ± 10% ± 20% ± 30%
12 ± 2.5% ± 5.0% ± 10% ± 20% ± 30%
13 ± 2.5% ± 5.0% ± 10% ± 20% ± 30%
14 ± 2.5% ± 5.0% ± 10% ± 20% ± 30%
15 ± 2.5% ± 5.0% ± 10% ± 20% ± 30%
16 ± 2.5% ± 5.0% ± 10% ± 20% ± 30%
* For distortion levels below 1% the absolute uncertainty is ± 0.5%.