Definition
A step-up transformer raises the low-voltage (typically 400–800 V AC) output of utility-scale solar inverters to medium-voltage (10–35 kV) for the plant's collection grid. Critical component in utility-scale plant electrical infrastructure.
Key Takeaways
- Step-up transformer raises inverter LV to MV.
- Typical: 0.69/33 kV or 0.8/13.8 kV.
- Critical for utility-scale plant collection grid.
- Specified per IEC 60076 / IS 2026.
- One per central inverter; or one per group of string inverters.
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