Mechanical installation
Standard devices in the power range 15 ... 30 kW
Mounting in "cold plate" technique
4
149
EDKVS9332X DE/EN/FR 8.0
4.2.4 Mounting in "cold plate" technique
The drive controllers can be mounted in ˜cold plate˜ technique, e.g. on collective coolers.
For this purpose, the drive controllers of type EVS93xx−Cxx must be used.
Requirements for collective coolers
The following points are important for safe and reliable operation of the controller:
ƒ Good thermal connection to the cooler
– The contact surface between the collective cooler and the controller must be at
least as large as the cooling plate of the controller.
– Plane contact surface, max. deviation 0.05 mm.
– When attaching the collective cooler to the controller, make sure to use all
specified screw connections.
ƒ Observe the thermal resistance R
th
given in the table. The values are valid for
controller operation under rated conditions.
9300 Cooling path
Power to be dissipated Heatsink − environment
Type P
v
[W] R
th
[K/W]
EVS9327−Cx 410 0.085
EVS9328−Cx 610 0.057
Ambient conditions
ƒ The rated data and the derating factors at increased temperature also apply to the
ambient temperature of the drive controllers.
ƒ Temperature at the cooling plate of the drive controller: max. 75 °C.
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