Ningbo Tianan (Group) Co.,Ltd.
Ningbo Tianan (Group) Co.,Ltd
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10kV - 35kV Wind electric Power Step-up Transformer Combined Substation
Some of the available options regarding the fabrication of our panels are :
- Housing Fixed Type Circuit Breaker
- Housing Withdrawable Type Circuit Breakers
- Panels with withdrawable compartments / drawers
* Forms of Separation
The options available regarding the level of separation between busbars and functional units are:
* Form 2 - Functional units are separated from the busbar.
* Form 3 - Busbar is separated from the functional units and the functional units are separated from each other.
* Form 4 - Busbars are separated from the functional units and terminals.
Normal ambient conditions for service
1. Altitude : within 2000m
2. Ambient temperature range : -40ºC~+45ºC
3. Relative humidity: daily average value shall not exceed 95%, monthly average value 90%.
4. Installation site: indoor
5. Service environment: installed in sites with no fire or explosion danger, serious fifth, chemical corrosion and fierce vibration.
When transcend the above normal ambient conditions for service, users can negotiate with us to solve.
| System voltage | 35kV |
| Highest work voltage at HV side | 40.5Kv |
| Rated voltage at HV side | 38.5kV ,36.75kV,35kV |
| Rated voltage at LV side | 0.69kV ,0.66kV |
| Rated Capacity | 7.2: 900 kVA～3350 kVA |
| HV Tapping Range | ±5% or ±2×2.5% |
| Connection Group | Dyn11 or Yyn0 |