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400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

Guangzhou Guanggao High Voltage Electric Apparatus Co.,Ltd.
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400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

Brand Name : GuangGao

Model Number : D

Certification : ISO CESI UL KEMA

Place of Origin : Guangzhou

MOQ : 3

Payment Terms : T/T L/C

Packaging Details : Export Standard Package

Name : Oil Immersed Distribution Transformer

Input Voltage : 20kV、20(10)kV

Phase : 3

Output Voltage : 0.4kV

Winding Material : Copper / Aluminum

Core Material : Silicon Steel Core / Amorphous Core

Application : Power

Rated Capacity : 30-2500KVA

Warranty : 2 years

Vector Group : Dyn11 Yzn11 Yyn0

Cooling Method : ONAN

Standard : IEC Standard

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20kV Oil-immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1
Product Specifications
20kV oil-immersed distribution transformer S(B)22-NX1 energy efficiency level 1
Capacity(kVA) Voltage Combination Vector group No load loss(W)(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
70 480/560 5.5
50 85 700/660
63 100 830/800
80 120 990/940
100 135 1190/1140
125 160 1440/1360
160 190 1740/1660
200 225 2060/1970
250 265 2420/2300
315 315 2880/2750
400 375 3410/3240
500 445 4070/3880
630 530 4680 6
800 635 5660
1000 750 7710
1250 895 9000
1600 1080 10880
2000 1270 13760
2500 1525 15990
The full load loss “/” is followed by the data of the vector group Yyn0
Product Overview
  1. Ultra-Low Loss Performance: The combination of amorphous alloy cores and optimized winding structures results in no-load loss that is only 60%-70% of that of standard S13-series transformers. This not only cuts down on operational energy costs but also reduces carbon emissions, aligning with green development objectives.
  2. Enhanced Environmental Compatibility: The optional eco-friendly insulating oil and leak-proof design minimize the risk of soil or water pollution, making the transformer suitable for environmentally sensitive areas (e.g., near water sources or ecological reserves). Additionally, the product’s long service life (typically 25-30 years) reduces the frequency of equipment replacement, lowering overall resource consumption.
  3. Intelligent Operation Readiness: The built-in intelligent monitoring modules enable seamless integration with smart grid systems. This allows for real-time data analysis, fault early warning, and remote parameter adjustment, reducing manual maintenance workload and improving the reliability of power supply.
  4. Policy Support Eligibility: Many models of this transformer qualify for national or local energy-saving subsidies and green procurement programs. This provides financial incentives for users, shortening the return on investment period and enhancing the product’s cost competitiveness.

400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

Application

400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

Export


400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

Factory


400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

Professional Equipment

400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

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

400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

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

400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

Target Market


400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1

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.

400kVA 20kV Oil Immersed Distribution Transformer S(B)22-NX1 Energy Efficiency Level 1
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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