Danfoss VLT AutomationDrive FC 360 Design Manual page 78

Design Guide | VLT® AutomationDrive FC 360
Table 26: Compatibility Levels for Harmonics
Harmonic order (h)
5
7
11
13
17
17 h≤49
Table 27: Compatibility Levels for the Total Harmonic Voltage Distortion THDv
THDv
Harmonic Compliance
7.14.5
Danfoss drives comply with the following standards:
IEC61000-2-4.
l
IEC61000-3-4.
l
G5/4.
l
76
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Class 1 (V %)
h
3
3
3
3
2
2.27 x (17/h) – 0.27
Class 1
5%
Class 2 (V %)
h
6
5
3.5
3
2
2.27 x (17/h) – 0.27
Class 2
8%
Class 3 (V %)
h
8
7
5
4.5
4
4.5 x (17/h) – 0.5
Class 3
10%
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