> Scope of Application

◇ type of device: outdoor type

◇ environmental conditions: altitude more than 1000m.

◇ normal environmental conditions: the altitude does not exceed 1000m.

◇ ambient temperature +40°C, low -45°C. (Detailed instructions at the time of ordering)

◇ ambient temperature +40°C, low -25°C.

◇ installation site: no corrosive gas, no obvious dirt environment.

> Model Meaning

> Implementation Standards

◇ GB1094.1~2-2013 power transformer

◇ GB1094.3-2003 power transformer

◇ GB1094.5-2008 power transformer

◇ GB/T1094.4-2005 Power transformer

◇ GB/T6451-2015 Technical parameters and requirements of three-phase oil-immersed power transformer

◇ International standard IEC76

> Structural Features

The S11 series reduces the basic no-load loss of the S9 series by an average of 30%, reduces the average temperature rise by 10K, and the service life of the product more than doubles, even under overload conditions of 20%, it can still operate for a long time; The operating noise of the product is reduced by an average of 2-4 dB.