10 Units of S11-1000kVA/11kV Transformers for a Vaccine Cold Chain Center in India
Project Overview
HBTP supplied 10 units of S11-1000/11 transformers for a vaccine storage and distribution cold chain facility in Hyderabad, India. The project represents a significant deployment in the pharmaceutical cold chain sector, requiring transformers engineered for reliable operation under demanding conditions.
Project Background
India is the world's largest vaccine producer, and this cold chain center stores and distributes vaccines to over 20,000 health centers across the country. Maintaining precise temperature control (2-8°C) is critical, requiring highly reliable power for refrigeration systems with backup redundancy.
Customer Requirements
1000kVA distribution transformers, 11kV/433V (Indian standard) ratio, S11 efficiency, design for high refrigeration load with motor starting currents, hot tropical climate rating (45°C ambient), and compliance with IS 1180 (Indian Standard for distribution transformers).
Our Solution
HBTP supplied its S11-series transformers, engineered specifically for pharmaceutical cold chain 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 | S11-1000/11 |
| Capacity per Unit | 1000 kVA |
| Voltage Ratio | 11 / 0.433 kV |
| Cooling | ONAN |
| Efficiency | S11 |
| Standard | IS 1180 / IEC |
| Load | Refrigeration Heavy |
| Reliability | Temperature-Critical |
| Climate | Hot Tropical |
Quality & Testing
All units passed routine tests per IS 1180 including no-load loss, load loss, and impedance. Special tests included high-temperature operation at 45°C ambient and motor starting current withstand verification for refrigeration compressors.
Delivery & Installation
The 10 units were delivered to the facility in Hyderabad. HBTP provided installation support and training, with emphasis on maintenance procedures for ensuring uninterrupted power to temperature-critical storage systems.
Project Outcomes
All 10 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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