Product overview
This product pre-installed substation is a complete set of outdoor equipment with upper voltage of 40.5kV and lower voltage of 12kV(7.2) three-phase AC 50Hz. It is generally used in cities, villages and towns, factories, oil fields and other places. It is also suitable for some large construction sites to accept, convert and distribute electric energy. It has the characteristics of strong complete set, small footprint, convenient installation and use, low cost, high degree of comprehensive automation, safe and reliable operation, etc.
Model and meaning

Use of environmental conditions
The altitude does not exceed 1000m;
Ambient temperature:-25 ℃ ~ 40 ℃;
The wind speed does not exceed 34 m/s;
◆ Relative humidity: daily average is not more than 95%; monthly average is not more than 90%;
◆ No frequent violent vibration and impact;
◆Places free of fire, explosion and chemical corrosion;
◆ The pollution level does not exceed level 3;
◆ Special use environment conditions: When the above normal use conditions cannot meet the use requirements, the user shall negotiate with the manufacturer.
Main technical parameters
Main Technical Parameters of Transformer | |||||||
Model | Rated voltage (kV) | Rated capacity (kVA) | Transformation ratio (kV/kV) | ||||
SZ7 | 40.5 | 1000~20000 | 35/10 '35/6.3 | ||||
SZ9 | 40.5 | 1000~20000 | 35/10 '35/6.3 |
Main Technical Parameters of Transformer | |||||||
Model | Rated primary current (A) | Rated secondary current (A) | Accurate level | 10 times not less | Secondary load (VA) | ||
LCZ-35Q | 40 ~ 500 | 5 | 0.5/10P10 | 10 | 50 | ||
LZJC-10 | 100~1000 | 5 | 0.5/10P10 |