Danfoss VLT DriveMotor FCM 106, Design Manual

Page: 36 / 66

3.6.6 Acoustic Noise
FCP 106
Acoustic noise originates from the sources:
1. External fan
2. DC intermediate circuit coils
3. RFI filter choke
Switching
Frequency
MH1 MH2 MH3
[kHz] [dB] [dB] [dB]
5 55 55.5 52
Table 3.14 FCP 106 Acoustic Noise Levels, Fan On,
Measured 1m from the Unit
FCM 106
Acoustic noise originates from the sources:
1. Motor fan
2. External fan
3. Motor stator and rotor
4. DC intermediate circuit coils
5. RFI filter choke
Motor
speed Switching
frequency Fan MH1 MH2 MH3
[rpm] [kHz] [on/off] [dB] [dB] [dB]
0 5 on 55 55.5 52
150 5 off 57.5 50 57
150 5 on 61 57 59
1500 5 off 65.5 64 71.5
1500 5 on 66 65.5 71.5
1500 10 off 65 61.5 66.5
1500 16 off 64 60 65.5
1500 16 on 64.5 62 65.5
Table 3.15 FCM 106 Acoustic Noise Levels,
Measured 1m from the Unit
3.6.7 Vibration and Shock
The frequency converter complies with requirements that
exist for units mounted on the walls and floors of
production premises, as well as in panels bolted to walls or
floors.
The frequency converter has been tested according to the
procedures defined in
Table 3.16
IEC/EN 60721-3-3 Shock 3M6 (2g / 25g shock)
IEC/EN 60068-2-6 Vibration (sinusoidal) - 1970
IEC/EN 60068-2-64 Vibration, broad-band random
IEC 60068-2-34,
60068-2-35, 60068-2-36 Curve D (1-3) Long-term test 2.52 g
RMS
Table 3.16 Vibration and Shock Test Procedure Compliance
System Integration
VLT
®
DriveMotor FCP 106 and FCM 106 Design Guide
34 MG03M102 - 08/2015
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