
The 500–1250 kVA dry type distribution transformer 33kV/11kV is engineered for clean energy distribution, high safety operation, and stable industrial-grade power supply.
It is widely used in:
With an oil-free dry type insulation system, this transformer ensures clean, safe, and environmentally friendly power conversion, making it ideal for facilities that require hygienic, stable, and continuous electricity supply.
Clean Energy & Oil-Free Design
No oil structure ensures safe, eco-friendly operation for food and medical environments.
High Safety for Sensitive Facilities
Suitable for hospitals, laboratories, and food production zones requiring strict safety standards.
Stable Performance under Voltage Fluctuation
Designed for African grid conditions with unstable or weak power supply.
Industrial Grade Reliability
Supports continuous operation for processing lines, refrigeration systems, and medical equipment.
Low Maintenance & Long Service Life
Reduced maintenance requirement with strong insulation performance and durability.
| Item | Specification |
|---|---|
| Rated Capacity | 500 kVA – 1250 kVA |
| Primary Voltage | 33 kV |
| Secondary Voltage | 11 kV |
| Phase | 3 Phase |
| Frequency | 50/60 Hz |
| Cooling Method | AN / AF (Air Natural / Forced) |
| Insulation Class | Class F / H |
| Vector Group | Dyn11 |
| Impedance Voltage | 6% – 8% |
| Temperature Rise | ≤ 100K |
| Protection Level | IP23 / IP33 |
| Installation Type | Indoor / Semi-outdoor |
| Core Material | Grain Oriented Silicon Steel |
Food processing plants and medical facilities require highly stable and continuous power supply to ensure safe operation of critical systems such as:
However, in many African regions, voltage fluctuation, grid instability, and power interruptions can affect production quality and operational reliability.
Our solution provides:
This makes it a preferred transformer solution for EPC contractors, healthcare infrastructure developers, and food industry projects.
Is this transformer suitable for food processing plants?
Yes, it is designed for clean energy environments such as food production, cold storage, and packaging facilities.
Can it be used in hospitals and medical facilities?
Yes, it provides stable and safe power supply for medical equipment and healthcare infrastructure.
Is it suitable for unstable power grids in Africa?
Yes, it is engineered to perform reliably under voltage fluctuation and weak grid conditions.
Does it require frequent maintenance?
No, the dry type structure ensures low maintenance and long operational life.
We are HENTG POWER, a professional manufacturer specializing in power transformers and distribution transformer solutions for global infrastructure and industrial applications.
With over 20 years of engineering and manufacturing experience, we provide reliable transformer systems for:
Our product portfolio includes:


Contact us today for clean, safe, and reliable transformer solutions for your food or medical infrastructure project.