Hunan Hentg Power Electric Technology Co., Ltd.
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Product Specification
| High Light | 33kV auto transformer for grid expansion ，11kV power distribution transformer with voltage regulation ，1250kVA auto transformer for urban rural grids | ||
This Auto Transformer system (200–1250kVA, 33kV/11kV) is designed to support Africa’s rapidly expanding urban and rural distribution networks. With optimized voltage regulation, low-loss performance and strong adaptability to unstable feeder lines, it ensures continuous and efficient power delivery for infrastructure development, utility upgrades, mini-grids, and rural electrification programs. Its compact electrical design and simplified installation make it ideal for large-scale power distribution projects.
| Attribute | Details |
|---|---|
| Rated Capacity | 200–1250 kVA |
| Primary Voltage | 33 kV |
| Secondary Voltage | 11 kV |
| Frequency | 50/60 Hz |
| Vector Group | Dyn11 / Yyn0 (Optional) |
| Cooling Method | ONAN |
| Winding Material | Copper / Al-Copper Hybrid |
| Insulation Class | A / F |
| Protection Options | Temperature Monitoring, Fault Indication |
| Installation Mode | Outdoor / Pole-Mounted / Ground-Mounted |
| Compliance | IEC Standards |
| Custom Service | Voltage, Impedance, Terminals, Tap Settings |
As African utilities extend their networks, many rural expansion lines experience voltage drop due to long transmission distance, seasonal demand variations and insufficient upstream supply. This leads to unstable power for farms, water pumps, clinics and local industries.
The 33kV/11kV Auto Transformer stabilizes voltage along extended feeders by delivering consistent 11kV output despite upstream fluctuations. Its efficient regulation design reduces drop on long distribution lines, enhances supply reliability and supports balanced load development for community services, agricultural facilities and township electrification projects.
Hentg Power is a professional power equipment manufacturer delivering distribution transformers, auto transformers and power solutions for global EPC contractors, utilities and industrial users.
Through engineering expertise, IEC-compliant production, strict quality control and strong customization capability, we supply reliable equipment for weak-grid regions, rural electrification, substations and infrastructure upgrades.
Empower your next grid expansion project with stable and reliable voltage performance—contact us today for a tailored solution.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
300-500MVA
Employee Number:
150~200
Ecer Certification：
Verified Supplier
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