20 Units of SCB12-1600kVA Dry-Type Transformers for a 50MW Solar+Storage Project in Australia
Project Overview
HBTP supplied 20 units of SCB12-1600/10 transformers for a 50MW solar farm with 25MW/50MWh battery energy storage in South Australia. The project represents a significant deployment in the solar plus energy storage sector, requiring transformers engineered for reliable operation under demanding conditions.
Project Background
South Australia leads Australia in renewable energy adoption, with over 60% of electricity from wind and solar. This 50MW solar project includes a 25MW/50MWh lithium-ion battery storage system, requiring transformers that can handle bidirectional power flow between the grid, solar inverters, and battery inverters.
Customer Requirements
Dry-type transformers were specified for the battery storage building due to fire safety requirements. Key specs included 1600kVA capacity, 10kV/0.4kV ratio, F1 fire resistance, bidirectional power capability for BESS applications, and compliance with Australian AS/NZS standards.
Our Solution
HBTP supplied its SCB12-series transformers, engineered specifically for solar plus energy storage applications. The high-quality CRGO silicon steel core with step-lap mitered joints minimizes no-load losses, while copper windings provide enhanced short-circuit withstand capability and long service life.
| Parameter | Specification |
|---|---|
| Model | SCB12-1600/10 |
| Capacity per Unit | 1600 kVA |
| Voltage Ratio | 10 / 0.4 kV |
| Cooling | ANAF |
| Efficiency | SCB12 |
| Standard | AS/NZS 60076 |
| Insulation | Cast Resin F1 |
| Fire Rating | Self-extinguishing |
| BESS | Bidirectional Power |
Quality & Testing
Each transformer underwent bidirectional load testing to verify performance under both charging and discharging conditions. Standard tests included temperature rise, impulse withstand, partial discharge (≤10 pC), and sound level measurements per AS/NZS 60076-11.
Delivery & Installation
The 20 units were delivered to Port Adelaide and transported to the site. HBTP engineers provided on-site commissioning support, including coordination with the battery management system (BMS) and solar inverter controllers for seamless integration.
Project Outcomes
All 20 transformers were successfully energized and are operating at rated capacity. The project was completed on schedule, and the customer has reported excellent performance with no unplanned outages attributed to transformer equipment. HBTP's reliable power distribution solution has contributed to the project's overall success and operational efficiency.
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