12kv Power Transmission Supply & Prefabricated Compact Transformer Substation
General
ZBW1 series combined substation is designed by our company for satisfying the need of city net construction, it features of compact structure, strong whole set,safe and reliable operation, convenient maintenance, beautiful appearance. It is widely used in out-door power supply fields such as high buildings, residential zone, factory and mining, hotel, park, oil field, airport, wharf, rail
way, shopping store, and other temporary facilities, etc. This product can be used not only in a closing-net for power distribution, but also in transformation power net for terminal power supply. The product firstly passes the appraisal from Mechano-electrical Department and Energy Department in our country in 1991, the performance reach to the national advanced level.
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.
Outline dimension and foundation
- The outline dimension shall according to primary wiring scheme provided by users.
- Construction designation about foundation and incoming/outgoing cable can refer to drawing 3 and drawing 4 as well as according to “Construction Electric Equipment Installation Engineering Drawing JD1-305-308”, if the foundation is higher than around of horizon, shutter shall be installed.
- In order to ensure the safety of substation, the barrier could be installed around it.
Typical Scheme of primary wiring
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Prefabricated Compact Transformer Substation 12kV With 30 - 1250kVA Capacity, outdoor substation Images
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