225 kV / 90 kV Primary Transmission Substation Expansion
Turnkey EPC modernization of an aging air-insulated transmission substation with compact GIS bay expansion, double busbar configuration, and digital protection relaying to prevent regional blackout cascades.
- Voltage
- 225 kV / 90 kV
- Capacity
- 2 × 120 MVA Transformers
- Duration
- 18 Months Turnkey
- Replacement of legacy SF6 breakers with low-leakage digital interrupters
- Dual 120 MVA oil-immersed autotransformer skidding and nitrogen blanketing
