Emc Test Results - Danfoss VLT HVAC Basic Drive FC 100 Series Design Manual

Introduction to VLT HVAC Ba...

2.7.3 EMC Test Results

2 2 The following test results have been obtained using a system with a frequency converter, a screened control cable, a control
box with potentiometer, as well as a motor screened cable.
RFI Filter Type
H4 RFI filter
(Class A1)
0.25-11kW
3x200-240V IP20
0.37-22kW
3x380-480V IP20
H2 RFI filter
(Class A2)
1.5-45kW
3x200-240V IP20
30-90kW
3x380-480V IP20
22-90kW
3x380-480V IP54
H3 RFI filter
(Class A1/B)
1.5-45kW
3x200-240V IP20
30-90kW
3x380-480V IP20
22-90kW
3x380-480V IP54
32
VLT HVAC Basic Drive Design Guide
Conduct emission. Maximum shielded cable length
Industrial environment
EN 55011 Class A2 EN 55011 Class A1
Without With Without
external external external
filter filter filter
25m
25m
25m
25m
25m
50m
50m
50m
MG.18.C2.02 - VLT
Housing, trades and
light industries
EN 55011 Class B
With Without With
external external external
filter filter filter
50m 20m
50m 20m
20m
20m
10m
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Radiated emission
Industrial Housing, trades and
environment light industries
EN 55011 Class A1 EN 55011 Class B
Without With Without
external external external
filter filter filter
Yes Yes
Yes Yes
no -
no -
no -
yes -
yes -
yes -
With
external
filter
-
-