Acoustic Noise; Vibration And Shock - Danfoss VLT DriveMotor FCM 106 Design Manual

System Integration

3.6.6 Acoustic Noise

FCP 106
Acoustic noise originates from the sources:
3 3
1. External fan
2. DC intermediate circuit coils
3. RFI filter choke
Switching
Frequency
[kHz]
5
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 Switching
speed frequency
[rpm]
0
150
150
1500
1500
1500
1500
1500
Table 3.15 FCM 106 Acoustic Noise Levels,
Measured 1m from the Unit
34
MH1 MH2
[dB] [dB]
55 55.5
Fan MH1
[kHz] [on/off] [dB]
5 on 55
5 off 57.5
5 on 61
5 off 65.5
5 on 66
10 off 65
16 off 64
16 on 64.5
®
VLT DriveMotor FCP 106 and FCM 106 Design Guide

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
MH3
IEC/EN 60721-3-3
IEC/EN 60068-2-6
[dB]
IEC/EN 60068-2-64
52
IEC 60068-2-34,
60068-2-35, 60068-2-36
Table 3.16 Vibration and Shock Test Procedure Compliance
MH2 MH3
[dB] [dB]
55.5 52
50 57
57 59
64 71.5
65.5 71.5
61.5 66.5
60 65.5
62 65.5
MG03M102 - 08/2015
Shock 3M6 (2g / 25g shock)
Vibration (sinusoidal) - 1970
Vibration, broad-band random
Curve D (1-3) Long-term test 2.52 g
RMS