Introduction
✅ Tropical High‑Temperature Adaptability Optimized oil circulation cooling channel. H‑class insulation ensures reliable continuous operation under high ambient temperature up to 55℃, coping with hot climate in West Africa savanna and desert areas.
✅ Strong Anti‑Surge & Short‑Circuit Resistance Reinforced coil end supporting structure. Resists frequent grid surges, lightning strikes and short‑circuit faults which commonly occur in 10kV rural distribution networks of West Africa and South Africa, lowering onsite failure rate in remote locations.
✅ Anti‑Corrosion & Anti‑Sand‑Dust Tank Construction Heavy‑duty tropical anti‑rust coating for whole tank and radiators. Optimized radiator fins reduce sand accumulation. Suitable for desert, inland savanna and coastal salt‑fog environment.
✅ Pole‑Mount Compact Structure for Field Deployment Standard pole‑mount layout with reinforced mounting brackets. No complicated foundation required, fast on‑site installation, fits widely‑used utility poles in West Africa and South‑African townships and villages.
✅ Low No‑load & Load Loss High‑performance silicon‑steel core reduces power consumption. Helps power utilities cut long‑term operating cost, especially for large‑scale rural electrification projects with tight infrastructure budgets.
✅ Wide Off‑circuit Tap Range ±2×2.5% Compensates serious voltage fluctuation of local 10kV overhead lines, keeps stable 400V secondary output for residential loads and solar‑hybrid mini‑grid applications.
Specifications
| Item | Parameter |
|---|---|
| Model | S11‑100kVA |
| Rated Capacity | 100 kVA |
| High Voltage | 10 kV |
| Low Voltage | 400 V |
| Vector Group | Dyn11 |
| Frequency | 50 Hz |
| Impedance Voltage | 5.5 % |
| Tap Changer | ±2×2.5% off‑circuit tap changer |
| Cooling Method | ONAN Oil Natural Air Natural |
| Standard | IEC 60076 |
FAQ
Q: Is this transformer suitable for Nigeria / Ghana 11kV grid? A: Yes. This 10kV rated transformer matches local 10/11kV distribution network standard in West Africa. We adopt tropical‑modified construction for local high‑temperature, sand‑dust and salt‑fog environment, complying with IEC60076.
Q: Can it work for solar hybrid mini‑grid system? A: Very suitable. Dyn11 vector group plus ±2×2.5% tapping range can stabilize fluctuating voltage output from solar‑diesel hybrid power plants, widely used for off‑grid village power supply across West Africa and South Africa.
Q: What is the maximum ambient temperature this tropical version can handle? A: Tropical‑customized model can run stably under ambient temperature ‑10℃ ~ 55℃, adapted for Sahel hot‑climate and coastal humid regions.
Q: Can you make other capacity pole‑mount transformers for West‑Africa projects? A: Yes, we supply full range: 50kVA,100kVA,160kVA,200kVA,250kVA 10kV‑400V tropical pole‑mounted oil immersed transformers for African utility projects.
