Oil immersed transformers
10KV series power transformers

Features
1) The inner structures of core and windings are the same with S9 off-circuit-tap changing transformer and have the same performance.
2) The sealing structure could slow down the oil oxidation course in the transformer and extend its service life to 30 years.
3) The corrugated structure of the oil tank leads to elegant outer apperance,compact volume and no core suspending on site.

Standard
GB 109431-1966   GB 1094.2-1966
GB 1094.3-85         GB 1094.5-85
GB/T 6451-1999     GB/T7595-1987
GB/T 10237-1988   GB/T 3737-1988

Transformer normal service conditions
The height above sea level is below 1000m;
Ambient temperature:
    highest air temperature +40^oC;
    highest daily average air temperature +30^oC;
    highest annual average air temperature +20^oC;
    lowest outdoor air temperatre -25^oC;

Transformer special service conditions
The height above sea level is below 1000m;
Ambient temperature:
    highest air temperature +40^oC;
    lowest air temperature -45^oC;
    (defines in detail when placing order)

Model description