Product Overview
This series represents a customized, highly adaptable two-winding step-up transformer specifically designed for renewable energy generation-side applications (PV, wind power, and ESS).
Optimized for the wide output voltage range and high variability of new energy plants, it serves as a core component for the efficient and reliable integration of clean energy into 35kV networks.
35kV substation application for photovoltaic and wind power plants.
Internal copper windings and NLTC structure ensuring high efficiency.
Technical Specifications
|
Rated capacity |
Rated voltage and tapping range |
Vector group |
No Load Current |
Short-circuit impedance |
No load Losses |
On load Losses |
||
|
HV |
Tapping range |
LV |
||||||
|
1000 |
35 |
±5 |
0.4~1.14 |
Yd11 |
0.52 |
6.0~14.0 |
0.6 |
10.4 |
|
1250 |
0.44 |
0.8 |
12.5 |
|||||
|
1600 |
0.36 |
0.9 |
14.9 |
|||||
|
2000 |
0.36 |
1.2 |
16.5 |
|||||
|
2500 |
0.36 |
1.4 |
17.6 |
|||||
|
3000 |
0.36 |
1.6 |
20.3 |
|||||
|
3150 |
0.36 |
1.7 |
20.7 |
|||||
|
4000 |
0.36 |
2 |
24.6 |
|||||
|
4500 |
0.36 |
2.2 |
27.1 |
|||||
|
5000 |
0.36 |
2.4 |
28.2 |
|||||
|
5500 |
0.36 |
2.6 |
30.3 |
|||||
|
6300 |
0.36 |
2.9 |
31.5 |
|||||
|
8000 |
±2×2.5 |
YNd11 |
0.28 |
4 |
34.6 |
|||
|
10000 |
0.28 |
4.8 |
40.8 |
|||||
|
12500 |
0.24 |
5.6 |
50.7 |
|||||
Core Advantages
- Seamless Inverter Matching: LV side covers 0.4kV to 1.14kV, connecting directly to PV inverters, wind turbines, and battery clusters. No extra conversion equipment needed, saving your CAPEX.
- Customized for Your Grid Code: Short-circuit impedance is adjustable from 6.0% to 14.0%. Flexible vector groups (Yd11 or YNd11) match specific system grounding and protection requirements. No need to redesign your system.
- Optimized for Project ROI: Capacity from 1 to 12.5 MVA perfectly matches distributed and centralized plants. Low-loss design (no-load current down to 0.24%) maximizes lifecycle economic returns.
- Harsh Environment Ready: Robust oil-immersed structure with excellent heat dissipation. Ideal for outdoor solar/wind farms dealing with significant temperature swings, requiring minimal maintenance.
Typical Applications
- 35kV pad-mounted or platform step-up transformers for centralized and distributed PV plants.
- 35kV unit step-up transformers for wind turbines (particularly medium and low-voltage turbines).
- 35kV step-up and grid-connection units for electrochemical energy storage power plants.
- Low-voltage generation aggregation requiring connection to 35kV grids.
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