Certified distribution transformer suppliers 30–2500kVA 11kV/0.433kV for Africa solar hybrid systems with high reliability and long warranty
This certified oil-immersed distribution transformer (30–2500kVA) is designed for Africa solar hybrid power systems, including solar PV + grid, solar + diesel backup, and microgrid applications.
It provides stable voltage transformation from 11kV to 0.433kV, ensuring smooth integration between renewable energy sources and conventional grid supply. Built for long-term outdoor operation, it delivers high reliability, stable performance, and strong adaptability to fluctuating renewable energy output.
This model is widely used in solar farms, hybrid substations, rural electrification projects, industrial renewable systems, and EPC turnkey energy solutions.
Produced under strict quality control system with full testing documentation for EPC and utility acceptance.
Designed to handle variable input from solar generation and ensure stable output for grid or load consumption.
30–2500kVA supports small hybrid systems, medium solar plants, and large renewable energy installations.
Engineered to maintain consistent voltage despite intermittent solar generation and changing demand.
Sealed tank design and robust insulation system support long-term outdoor operation in harsh environments.
| Parameter | Specification |
|---|---|
| Rated Capacity | 30–2500 kVA |
| Primary Voltage | 11kV |
| Secondary Voltage | 0.433kV |
| Phase | Three-phase |
| Frequency | 50Hz / 60Hz |
| Cooling Method | ONAN |
| Insulation Class | A / F |
| Vector Group | Dyn11 |
| Tap Changer | Off-circuit |
| Tap Range | ±2×2.5% |
| Insulating Medium | Mineral oil |
| Tank Type | Sealed type |
| Installation | Outdoor / ground-mounted |
- Intermittent solar output due to weather variation
- Frequent switching between solar, grid, and backup generators
- Voltage fluctuation during peak load periods
- Harsh outdoor installation environments (heat, dust, humidity)
- Optimized electromagnetic design ensures stable voltage regulation during input variation
- High-efficiency core structure improves energy transfer consistency in hybrid operation
- Reinforced insulation system enhances reliability under continuous cycling loads
- ONAN cooling system supports stable thermal performance in hot climates
- Sealed tank structure reduces environmental impact from dust and moisture
These features ensure smooth integration and stable power delivery in solar hybrid and microgrid systems across Africa.
Yes. It is designed specifically for solar PV and hybrid grid applications.
Yes. It maintains stable output under variable renewable energy conditions.
Yes. It is widely used in microgrid and rural electrification solar projects.
Yes. Long-term warranty options are available based on project requirements.
HENTG POWER is a professional transformer manufacturer with over 15 years of engineering and production experience, specializing in oil-immersed distribution transformers and renewable energy integration solutions for global markets.
We provide:
- Full range of distribution transformers from 30kVA to 2500kVA
- Certified production aligned with IEC standards
- Custom engineering for solar, hybrid, and EPC projects
- Technical support for utilities, contractors, and renewable energy developers
We focus on delivering reliable and efficient transformer solutions for Africa’s growing solar and hybrid energy market.
Upgrade your solar hybrid system with certified transformer solutions—contact us today for technical support and project pricing.
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