The 500kVA 13.8kV/0.46kV Oil-Immersed Transformer is designed for reliable power distribution in industrial, commercial, and utility applications. Engineered for efficiency and durability, it ensures stable voltage transformation and long operational life.
The 500kVA 13.8kV/0.46kV Oil-Immersed Transformer is designed for reliable and efficient power distribution in industrial, commercial, and utility applications. Manufactured with high-quality silicon steel cores and premium insulation materials, it offers low energy losses, stable voltage output, and excellent overload performance.
Featuring an ONAN cooling system, this transformer ensures efficient heat dissipation and long service life even in high-temperature and high-humidity environments. Compliant with international standards, it provides safe operation, high short-circuit resistance, and dependable performance for power distribution networks, renewable energy projects, substations, and infrastructure developments.
Zisheng are a professional 19+ years manufacturer in producing Oil-Immersed Transformers, Compact Substation, Pad Mounted Transformers, Pole Mounted Transformers and Dry Type Transformers. We own the certificates of ISO/CE/IEC 60076 and TUV Rheinland.
Transformers undergo rigorous FAT and type testing, support voltage/capacity customization. Welcome to consult for Catalog and Product. you can contact us at email [email protected].
Project: Industrial Power Distribution Upgrade
Product: 500kVA 13.8kV/0.46kV Oil-Immersed Transformer
Location: Industrial facility (overseas project)
The client required a reliable step-down transformer to ensure stable power supply for factory operations with continuous load and strict voltage stability requirements.
We supplied a 500kVA oil-immersed transformer with 13.8kV/0.46kV conversion, designed with high-efficiency core and ONAN cooling system to ensure stable performance under heavy industrial conditions.
The transformer was successfully installed and commissioned, providing stable and efficient power distribution, reducing energy losses, and improving overall operational reliability.
| Specification | Details |
|---|---|
| Rated Power | 500 kVA |
| Primary Voltage | 13.8 kV |
| Secondary Voltage | 0.46 kV |
| Frequency | 50/60 Hz |
| Cooling Method | Oil-immersed (ONAN) |
| Vector Group | Dyn11 |
| Impedance Voltage | 4–6% |
| Insulation Class | Class A (or as required) |
| Noise Level | ≤55 dB |
| Temperature Rise | ≤65°C (ONAN) |
| Protection | Conservator, Breather, Buchholz Relay optional |
It steps down 13.8kV to 0.46kV for safe and stable power distribution.
It uses oil-immersed ONAN cooling for efficient heat dissipation.
Yes, it is designed for both indoor and outdoor installations.
It complies with IEC and ANSI standards.
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