Power transformer OLSPU-1,25 is designed for installation in complete switchgear units (CSU) of internal and external installation to provide power supply to auxiliary circuits of sectionalization points and automatic transfer switch (ATS). Transformers are used in AC installations at power generation facilities in industry, agriculture, the public utilities sector and other sectors of the national economy.
The transformer is manufactured in the U version of the placement category 2 according to GOST 15150-69 and is designed to operate in the following conditions:
- height above sea level - no more than 1000 m;
- relative air humidity not more than 98% at 30 °C;
- upper operating value t0 of the environment + 50 °C;
- lower operating value t0 of the environment -45 °C;
- ambient environment - non-explosive, free of dust, chemically active gases and vapors in concentrations that destroy metal coatings and insulation (type II atmosphere according to GOST 15150-69);
- any position of transformers in space.
Technical specifications comply with DSTU EN 60076-1, DSTU EN 60076-11.
