CMM-SSD transformer dry-out system

CMM-SSD transformer dry-out system is designed for daily transformer care providing continuous drying from water.

Water is a dangerous enemy of the transformer, reducing the dielectric strength of transformer oil, accelerating the aging of oil and solid insulation. It is impossible to entirely prevent water contamination in a transformer, since it forms regardless of service quality and airtightness of the unit. to protect transformer it id needed to connect CMM-SSD to the transformer and it will keep the transformer dry throughout its service life by passing its oil through a microporous granular sorbent. Water is absorbed and reliably held in its crystals.


Parameter Value
Capacity, l/h 30
Amount of absorbed water, l 9
The amount of sorbent in one adsorber , kg 20
Processed oil parameters:
– moisture content, ppm < 5
–  cleanliness code after processing (as per ISO 4406) -/14/12
– breakdown voltage , kV > 65
Output pressure , bar 2
Oil supply height , m 20
Power consumption, kW 0,25
Electric current parameters
voltage, V 400
alternating current (ac) frequency , Hz 50
Max dimensions ,  mm
length 1150
height 1980
width 490
Weight, kg 400

  • connection to transformer of any type and age;
  • the process of connection takes less than an hour;
  • the sorbent captures water regardless of its temperature and form;
  • the machine dries the oil without heating and does not require constant operator control;
  • the machine can be installed temporarily or permanently.


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