200kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3
| 20kV oil-immersed distribution transformer S(B)13-NX3 energy efficiency level 3 | |||||||
| Capacity(kVA) | Voltage Combination |
Vector group |
No load loss (W) | Full Load Loss (W) | Short Circuit Impedance (%) | ||
| HV(kV) | H.V. Tapping Range | LV(kV) | |||||
| 30 |
20 |
±5%/ ±2×2.5% | 0.4 | Dyn11 Yzn11 Yyn0 |
80 | 660/630 | 5.5 |
| 50 | 100 | 960/910 | |||||
| 63 | 120 | 1140/1090 | |||||
| 80 | 140 | 1370/1300 | |||||
| 100 | 160 | 1640/1570 | |||||
| 125 | 190 | 1980/1880 | |||||
| 160 | 230 | 2410/2300 | |||||
| 200 | 270 | 2850/2720 | |||||
| 250 | 320 | 3340/3180 | |||||
| 315 | 380 | 4000/3810 | |||||
| 400 | 460 | 4720/4490 | |||||
| 500 | 540 | 5640/5380 | |||||
| 630 | 650 | 6480 | 6 | ||||
| 800 | 780 | 7840 | |||||
| 1000 | 920 | 10700 | |||||
| 1250 | 1100 | 12500 | |||||
| 1600 | 1330 | 15100 | |||||
| 2000 | 1560 | 19100 | |||||
| 2500 | 1870 | 22200 | |||||
| The full load loss “/” is followed by the data of the vector group Yyn0 | |||||||
* Above specification may be changed to improve performance.
* Transformer of other specification than listed above can be made to order.
- Key Power Grid Distribution Lines: For power grid companies, transformers deployed on critical distribution lines (e.g., those supplying urban central areas or key industrial zones) require high efficiency and reliability. The ultra-low loss and intelligent monitoring features of this product ensure stable power supply while reducing grid operating costs.
- Large-Scale Industrial Parks: Industrial parks with high energy consumption (e.g., manufacturing hubs, high-tech industrial zones) have strict demands for energy efficiency to control production costs. The transformer’s energy-saving performance helps enterprises meet energy conservation targets and comply with environmental regulations, while its high load-carrying capacity adapts to the fluctuating power needs of industrial equipment.
- New Energy Grid-Connection Systems: In photovoltaic (PV) or wind power generation projects, the transformer plays a crucial role in converting and distributing the generated electricity to the grid. Its high efficiency minimizes energy loss during the grid-connection process, and the intelligent monitoring system ensures compatibility with the intermittent nature of renewable energy sources, maintaining stable power quality.
- Green Building Complexes: Modern green building complexes (e.g., eco-friendly residential areas, LEED-certified commercial buildings) prioritize energy efficiency and environmental sustainability. This transformer’s low energy consumption and eco-friendly design align with the green standards of such projects, contributing to their overall environmental performance ratings.
Production Process
Application
Target Market
Guanggao Transformer is a professional transformer manufacturer. We produce single-phase, three-phase, dry-type, distribution, and high-voltage transformers (110 kV and above). We meet IEEE/ANSI/UL/CSA and IEC standards. Guanggao Transformer has nearly 25 years of transformer export experience. The company has modern laboratory construction, such as high-voltage test hall, within which there is a 3000kV lightning impulse testing device, and some advanced testing equipment, such as CA-21 moisture analyzer from Mitsubishi, American Fluke Ti30 infrared image detector, American RM-3WE three dimensional vibration. And it was identified as the national power transformer energy efficiency testing laboratories in 2011.
The company has undertaken the National Olympic Security Power Project, the National 851 project, the whole construction of the Guangzhou Asian Games, Guangzhou BRT and other important security power projects. The products used in the above projects are highly safe and in a reliable operation throughout the country. Also, these products are exported to Myanmar, Madagascar, Malaysia,other countries. Enjoying a good reputation on the electromechanical market, "Guanggao Brand"was identified as Guangdong famous brand, the product was identified as the National Energy Efficiency Star Products and Brand-Name Products in Guangdong Province.If you have transformer needs, please contact us.

- Add: No. 15, Yunpu 1st Road, Yunpu Industrial Zone, Huangpu, Guangzhou, Guangdong, China
- Tel: (+86)-020-82505003
- Email: ggelectric@gz-gg.com
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