50kVA 20kV Oil-Immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3 with 100W No Load Loss
| Capacity (kVA) | Voltage Combination | Vector Group | No Load Loss (W) | Full Load Loss (W) | Short Circuit Impedance (%) |
|---|---|---|---|---|---|
| 50 | 20kV / 0.4kV H.V. Tapping Range: ±5%/±2×2.5% |
Dyn11, Yzn11, Yyn0 | 100 | 960/910 | 5.5 |
Traditional oil-immersed distribution transformer using mineral oil as insulating and cooling medium, featuring high heat dissipation efficiency and cost advantages.
- S(B): Three-phase oil-immersed distribution transformer (S = three-phase, B = low-voltage foil winding for improved current-carrying capacity)
- 13: Classic design serial number with mature, stable technology
- NX3: Adapted for basic power distribution scenarios
- Energy Efficiency Class 3: Basic energy efficiency level meeting regular power distribution requirements
- Excellent heat dissipation performance suitable for outdoor open-air installation
- Adaptable to high-temperature and high-load environments
- Cost-effective solution for rural power grids, suburban industrial power distribution, and outdoor temporary power supply
- Requires regular inspection of oil quality and sealing to prevent leakage
- CE, ISO, KEMA, UL certificates and test reports
- National Energy Efficiency Star Products and Guangdong Province Brand-Name Products
- Compliant with IEEE/ANSI/UL/CSA and IEC standards
Guanggao Transformer is a professional manufacturer with nearly 25 years of export experience, producing single-phase, three-phase, dry-type, distribution, and high-voltage transformers up to 110kV and above. The company features modern laboratory facilities including high-voltage test hall with 3000kV lightning impulse testing device and advanced testing equipment.
Address: No. 15, Yunpu 1st Road, Yunpu Industrial Zone, Huangpu, Guangzhou, Guangdong, China
Telephone: (+86)-020-82505003
Email: ggelectric@gz-gg.com
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