Hunan Hentg Power Electric Technology Co., Ltd.
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Product Specification
| High Light | IEC 60076 Oil Immersed Transformer ，Industrial Power Supply Oil Immersed Transformer ，50 kVA Oil Immersed Transformer | ||
Our 50 kVA Oil-Immersed Distribution Transformer is engineered to deliver stable, high-efficiency power for industrial and commercial applications. Built strictly according to IEC 60076 standards, this step-down transformer converts 20kV medium voltage to 0.4kV usable low voltage. It is designed for longevity, featuring high-grade mineral oil insulation and a robust tank structure suitable for continuous outdoor operation.
| Feature | Specifications |
|---|---|
| Rated Capacity | 50 kVA |
| Standard | IEC 60076 |
| Voltage Ratio | 20 / 0.4 kV (Customizable) |
| Phase | 3-Phase |
| Frequency | 50 / 60 Hz |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Vector Group | Dyn11 / Yzn11 |
| Tapping Range | ±2x2.5% (Off-circuit tap changer) |
| Insulation Class | Class A |
| Winding Material | High-conductivity Copper or Aluminum |
Operating electrical equipment in sandy and dusty environments presents significant operational challenges. We have engineered specific features to mitigate leakage and contamination risks:
Our Solution: We utilize high-creepage distance porcelain bushings that prevent flashover caused by conductive dust layers. Optional protective covers are available for extreme sandstorm areas.
Our Solution: We use High-Grade Fluoro-rubber Gaskets (Viton) instead of standard nitrile rubber. These seals maintain elasticity under extreme UV exposure and high temperatures, effectively preventing oil seepage.
Our Solution: The transformer tank undergoes a multi-layer powder coating process (C4 or C5 class anti-corrosion), ensuring the protective layer remains intact despite the abrasive nature of blowing sand.
Yes, our transformers are designed per IEC 60076, which is the primary reference for most African utilities. We can also customize the vector group and voltage taps to match specific local grid requirements.
We use reinforced steel-framed packaging and vacuum-sealed protection. For EPC projects, we provide detailed impact monitoring to ensure the core remains stable during rough inland transit.
For standard 50 kVA units, we maintain a steady production cycle of 3–4 weeks. We offer flexible shipping schedules to meet tight EPC project deadlines.
Absolutely. We provide a full set of replacement gaskets, bushings, and oil level indicators. We also offer remote technical guidance for installation and commissioning.
Yes, the transformer is equipped with an off-circuit tap changer (OCTC), allowing for voltage adjustments of ±5% to accommodate fluctuations in the supply line.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
300-500MVA
Employee Number:
150~200
Ecer Certification：
Verified Supplier
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