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main purpose
1. Fully insulated, fully sealed, requiring minimal maintenance, and ensuring reliable personal safety;
2. Compact structure, with a volume only 1/3-1/5 of the same capacity European-style transformer; height is only 1.5, without blocking the line of sight;
3. Adopt a compartmented structure to avoid oil contamination inside the transformer oil tank;
4. The high-voltage side adopts dual fuse full-range protection, significantly reducing costs;
5. It can be used for both ring networks and terminals, and the cable head can be plugged in or pulled out in an emergency at a load current of 200A;
6. The box body is made of honeycomb double-layer composite board, which has both thermal insulation and heat dissipation functions.
7. An undervoltage controller can be installed on the low-voltage side, which can quickly disconnect the low-voltage side composite when abnormal voltage occurs in the system;
8. High-voltage side oil-immersed load switch or SF6 load switch, capable of automatic upgrading, lays the foundation for achieving distribution network automation.
purpose
It is widely used in various public places such as urban power grid renovation, residential areas, as well as indoor and outdoor locations like factories, mines, hotels, airports, railways, docks, and highways.
Model meaning
Normal usage conditions
1. Altitude not exceeding 1000m;
2. Ambient temperature: -35℃~+40℃;
3. Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;
4. Installation location: A location free from fire and explosion hazards, chemical corrosive gases, and with good ventilation, where the ground inclination is not greater than 3°.
execution standard
This product complies with the following standards:
GB/T17467-1998 "High-voltage/Low-voltage Prefabricated Substation"
DL/T537-93 "Technical Conditions for Ordering 6-35kV Box-type Substations"
