We specialize in the R&D, design and manufacturing of hardware and software products for power safety, energy saving, power distribution and smart energy.
Categories
Popular Products
YBW-12 Compact Prefabricated Substation
The YBW-12/0.4 high/low-voltage prefabricated substation is a high-efficiency power transformation and distribution unit comprising a high-voltage compartment, a transformer compartment, and a low-voltage compartment; it is designed for use in power systems with a rated voltage of 12 kV.
Product Overview
The YBW-12/0.4 high/low-voltage prefabricated substation is a high-efficiency power transformation and distribution unit comprising a high-voltage compartment, a transformer compartment, and a low-voltage compartment; it is designed for use in power systems with a rated voltage of 12 kV. This product meets the power supply requirements of various settings—such as residential complexes, large construction sites, and industrial and mining enterprises—features comprehensive "five-protection" safety functions, and complies with standards including GB/T 17467-2020.
Technical Parameters
| Project | Unit | Parameters |
|---|---|---|
| Main connection scheme | / | Ring‑network type, terminal type, dual‑power‑supply type |
| Transformer performance level code | / | Oil‑immersed transformers (S11, S13), dry‑type transformers (SC10, SC11, SC13) |
| Rated capacity | kVA | 30‑1250 |
| Rated voltage | kV | 12/0.4 |
| Maximum operating voltage | kV | 12 |
| Lightning impulse withstand voltage | kV | 75 |
| 1‑minute power‑frequency withstand voltage | kV | 42 |
| High‑voltage switch rated breaking current | kA | 20、25、31.5 |
| Transformer connection group | ‑ | Off‑circuit tap‑changing ±5% (±2 × 2.5%) |
| Low‑voltage outgoing circuits | ‑ | To be determined based on the actual situation. |
Environmental Conditions
① Altitude: Not exceeding 2,000 meters;
② Ambient temperature: Upper limit 40°C, lower limit -30°C (-40°C for high-altitude, cold regions);
③ Wind pressure: Not exceeding 700 Pa (equivalent to a wind speed of 34 m/s);
④ Seismic intensity: Not exceeding Grade 8; locations free from fire or explosion hazards;
Locations free from severe vibration, vertical inclination exceeding 5°, and severe pollution such as chemical corrosion.
More Products
Get a Free Quote
Feel free to contact us —
we strive to earn your trust.