Substation, Prefabricated Substation, Combined Substation Service condition 1. Altitude: ≤ 1000m (above sea level) 2. Ambient temperature: Max. 40C Min. -25C >>Max. Monthly average temperature: ≤ 35C >>Max. Yearly average temperature: ≤ 25C 3. Relative humidity: Daily average value≤ 95%, monthly average value≤ 90% 4. Max. Daily difference in temperature: 25C 5. Sunlight intensity: 0.1W/CM2 (wind speed 0.5M/S); 6. Outdoor wind speed: ≤ 35m/s; 7. Pollution grade: Grade III; 8. Rain proof grade: Grade 3; 9. The gradient on installation spot shall be not more than 3° ; 10. Ability of anti-earthquake: Horizontal acceleration of ground surface is 0.2g Vertical acceleration of ground surface is 0.1g; 11. Installation spot: The spot should has no fire/explosion danger/serious pollution/chemical corrosion and exquisite shake. ****Customer should negotiate with manufacturer if the service condition is different from above. Our advantage 1.Various special requirement from customer or typical specification . 2.Competitive price (Real factory ). 3.Excellent quality control. 4.Good service and after sales. 5.In time delivery. 6. Manufacturing after drawings approved. 7.OEM is acceptable.We can change the design as client's requirements. *****More information, please freely contact us. Glad to service you.
Description Items Unit Data H. V. unit Rated voltage kV 12 Rated current of main bus-bar A 630 Rated short-time withstand current kA/s 25/2 Rated crest withstand current kA 63 Rated short-time making current kA 63 Breaking current of fuser kA 31.5 40 L. V. unit Rated voltage V 400 Rated current of main circuit A 100-4000 Rated max. short-circuit breaking capability kA 80 Rated operation short-circuit breaking capability kA 50(65) Rated short-time withstand current KA/1s 50(65) Branch current and compensation capacity According to the requirement of customer Transformer unit Rated capacity kVA 30-2000 Impedance voltage % 4 4.5 Tapping range % +/- 2x2.5 +/- 5 Vector group Y, yn0 D, yn11 Enclosure Enclosure protection grade IP23 Sound level dB < =55