Danfoss VLT AutomationDrive FC 360 Design Manual page 69

Design Guide | VLT® AutomationDrive FC 360
z
L1
z
L2
z
L3
z
PE
PE
3
Figure 33: Electric Model Showing Possible Leakage Currents
1
Ground wire
3
AC mains supply
5
Shielded motor cable
Cs
Possible shunt parasitic capacitance paths (varies with
different installations).
I
Shielded motor cable
2
I
Unintended common-mode current
4
EMC Test Results
7.13.2
The following test results have been obtained using a drive (with options if relevant), a shielded control cable, a control box with
potentiometer, a motor, and motor shielded cable.
Table 18: EMC Test Results (Emission)
RFI filter type
Standards EN 55011
and require-
ments
EN/IEC
61800-3
FC 360 90–315 kW
380–480 V
Danfoss A/S © 2024.01
C
S
U
I
1
V
W
I
2
I
3
C
S
I
4
4
Conducted emission
Class B Class A
group 1
Housing,
trades, and Industrial en-
light indus- vironment
tries
Category C1 Category C2
Residential, Commercial,
commercial, or light indus-
or light indus- trial
trial
No No
C
S
1
2
I
4
5
2
Shield
4
Drive
6
Motor
I
Common-mode leakage current
1
I
Safety ground (4th conductor in motor cables)
3
Radiated emission
Class A Class B
group 2
Housing,
Industrial en- trades, and
vironment light indus-
tries
Category C3 Category C1
Industrial Residential,
commercial,
or light indus-
trial
150 m (492 ft) No
C
S
C
C
S S
6
Class A Class A
group 1 group 2
Industrial en- Industrial en-
vironment vironment
Category C2 Category C3
Commercial, Industrial
or light indus-
trial
No Yes
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