33kV prefabricated compact substation designed for 33kV secondary distribution system from high voltage to low voltage. The main function of the compact substation is transforming high voltage from 33kV to be low voltage (415V or 380V), it depends on the electrical transformer inside of the substations.
33kV compact substation structure designed as the compact size which including high voltage switchgear, low voltage switchgear, and the electrical transformer. This specification determined the capacity of the compact substation not too big size, usually; the electrical transformer capacity is controlled within 2000kva.
33kV prefabricated compact substation designed in different types with advantages of compact size and used widely in high rise building, airport, railway etc.
The advantages of 33kv compact substation:
1. Compact structure, small size, easy for maintenance and removable.
2. Suitable for the street lighting, highways, bridges, tunnels, parking lots, residential areas and tourist attractions, especially for urban grid transformation.
3. Power supply safety and reliability
4. Enclosure material is various, design beautiful, and keep harmony with the surrounding environment, especially suitable for urban construction.
5. The transformer is mainly ventilated with natural ventilation. But when the temperature in station room exceeds the rated temperature, the axial fan on the top will automatically starts to reduce temperature inside.
6. High degree of automation. Installed with protection system using microcomputer integrated substation automation devices, which can realize remote communication, remote control, remote regulating etc.