Cold Plate With An External Liquid Heat Sink; Configuration And Conditions - Siemens Sinamics S120 Manual

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Cold plate with an external liquid heat sink

When an external liquid heat sink is used, the power sections are all installed on a plate

through which cooling water flows to cool the power units. The size of the liquid heat sink

can be adjusted in line with the size of the drive line-up.

General conditions to be observed

1. The maximum temperature within the cabinet is 40 °C

2. The maximum permissible heat-sink temperature is module-dependent. Refer to the

3. The customer must take measures to protect the devices against condensation (see Anti-

Booksize Power Units

Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6

(inlet air temperature of the power sections). The maximum temperature inside the

cabinet for derating is 55 °C. For the relevant specifications, refer to the "Technical data".

"Technical data" for more information. A temperature sensor in the power unit measures

the temperature and can be read via parameter (see SINAMICS S120/S150 List Manual).

condensation measures (Page 807))

Cabinet design and EMC Booksize

12.11 Information on cold plate cooling