TAM 00746
31
DSP1 045 - 100
11 / 2019
Three phase synchronous motor
English
at an ambient temperature of 25 °C and a relative humidity of 65 %. The characteristic curves
shown in the diagram are limit curves. In the example, a coolant inlet temperature greater than 18
°C should therefore be selected.
If the temperature falls below the minimum permissible coolant inlet temperature, the 2-point con-
troller of the Baumüller drive electronic is to be used to avoid humidity (refer to the function diagram
shown below).
Note:
The coolant supply must be interrupted if the engine is not used for a longer period of time (avoid
condensation).
If ambient temperatures <3 °C may occur during prolonged standstill of the motor, the coolant must
be drained as a precautionary measure. (avoidance of frost damage)
Image 18: Function diagram coolant inlet temperature
Start
Determination of
relative humidity
Determination of
min. coolant temper-
ature (diagram)
T
water
≥
T
environmant
-5K
T
Waterr
>
T
min.water
(diagram)
Derating
according
to table
No
limitations
Two point con-
troller
T
On
= 70 °C
T
off
= 50 °C
T
Water
≤ 25 °C
T
Water
≤ 25 °C
No
limitations
T
Water
≤ 25 °C
No limitati-
ons
yes
yes
s
yes
ja
yes
ja
no
no
no
nein
no
yes
