33kV Prefabricated Compact Substation
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, the electrical transformer capacity could not exceed 1600kva.
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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. Advanced technology and safety.
- 2. High degree of automation.
- 3. Factory prefabrication
- 4, flexible combination mode
- 5, investment is effective.
- 6. Small footprint.
- 7, beautiful appearance
| Name | Unit | HV side | Transformer | LV side |
| Rated voltage | kV | 6-33kV | 6-33kV | 0.4 |
| Rated current | A | 630 | 3/75-150/3750 | Less than 4000 |
| Frequency | Hz | 50 | ||
| Rated Capacity | kVA | 50-2500 | ||
| Pfr withstand | kV | 42/50/70/95 | 2.5 | |
| BIL | kV | 75/125/170/185 | ||
| Crust Protection Grade | IP23 | Oil type 55; dry type 65 | IP23 | |
| Noisy Grade | dB | |||
| Appearance Dimensions | mm | According to primacy wiring circuit schema | ||
*Consult Farady Electric for availability of non-standard kVA sizes.
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