Harmonic order (h) Class 1 (V
h
%) Class 2 (V
h
%) Class 3 (V
h
%)
5 3 6 8
7 3 5 7
11 3 3.5 5
13 3 3 4.5
17 2 2 4
17˂h≤49 2.27 x (17/h) – 0.27 2.27 x (17/h) – 0.27 4.5 x (17/h) – 0.5
Table 7.22 Compatibility Levels for Harmonics
Class 1 Class 2 Class 3
THDv 5% 8% 10%
Table 7.23 Compatibility Levels for the Total Harmonic Voltage Distortion THDv
7.15.4 Harmonic Compliance
Danfoss drives comply with the following standards:
•
IEC61000-2-4.
•
IEC61000-3-4.
•
G5/4.
Electrical Installation Con... Design Guide
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