Design and function
2015-09-07 / DIS 113_58300000171499_ara_en_c
Copyright by BSH Hausgeräte GmbH
Page 22 of 65
3.11.3
BLDC motor
3.11.4
Design of BLDC motor
Graphic 12:BLDC motor design
1
Inverter module motor
4
Tension spring
2
BLDC motor/Electrical connection
5
Holder
3
Tensioning roller
6
Motor shaft
3.11.5
Function
The motor is actuated via the inverter at a fixed speed. The inverter is therefore not
connected to the D-bus. The drum speed has been not been changed compared to
the other appliances (54 rpm).
When the motor is started a small jolt occurs to synchronize the coils. To limit the
motor current, a soft-start is also effected.
When off, the drum can only be rotated in small, jolting turns.
Reason: The generated induction current is shorted in the inverter.
