Nidec Leroy-Somer Powerdrive MD Smart, Руководство по интеграции

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MECHANICAL INSTALLATION
Powerdrive MD Smart Integration Guide
5751 en - 2021.10 / e
MECHANICAL INST
ALLA
TION
3.8 - Noise levels
The radiator fan is responsible for most of the noise produced by the variable speed drive at 1 m. The radiator fan on the variable
speed drives is a variable speed fan. The variable speed drive controls the fan speed based on the radiator temperature and the
thermal modelling of the variable speed drive.
• Three-phase 400V -10% to 480V +10%
INVERTER
Size
Reference
MD3INVAF
Noise level
at max speed (dBA)
Noise level
at 25% of max speed (dBA)
T1
260N 76 53
315N 76 53
T2
408N 78 55
497N 78 55
618N 78 55
T3
747N 78 55
865N 78 55
931N 78 55
Rectifier
Size
Reference
MD3REC1AF
Noise level
at max speed (dBA)
Noise level
at 25% of max speed (dBA)
T1
170N 76 53
230N 76 53
T2
475N 76 53
715N 76 53
T3
865N 78 55
1075N 78 55
Control and parallelisation module
Size Reference
Ventilation flow rate
(m
3
/h
Noise level
at 25% of max speed (dBA)
All
MD3CTL
MD3PRL
41 -