Guangzhou Guanggao High Voltage Electric Apparatus Co.,Ltd.
                                                                                                           
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68 Years
Since 1958
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200kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

Price Negotiable
Price: Negotiable
MOQ: 3
Delivery Time: Negotiable
Brand: GuangGao
Product Description
20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3
Product Specifications
                                       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       
20(10)          
or others

±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.

Product Overview
  • 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.
Professional Equipment

Production Process



 Application

Exhibition(Dubai exhibition, US exhibition, Thailand exhibition, Philippines exhibition……)

Certificate(Power transformers with CE, ISO, KEMA, UL certificates and test reports.)

Target Market 



Company Profile

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.

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

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Guanggao High Voltage Electric Apparatus Co.,Ltd.
Location No.15,Yunpu1st Road, Yunpu Industrial Zone Luogang Guangzhou, China
Contact Person Liu

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