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63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

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63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

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

Phase : 3

Input Voltage : 6kV、6.3kV、6.6kV、10kV、10.5kV、11kV

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

Name : Oil Immersed Distribution Transformer

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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
Product Overview

  • Product Technical Principle & Core Traits

    This product belongs to the category of traditional oil-immersed distribution transformers, with mineral oil serving as the core insulating and cooling medium. In terms of insulation, mineral oil fills the gaps between the transformer’s iron core, windings, and tank, isolating live components from the grounded tank to prevent electrical breakdown. For cooling, it absorbs heat generated by the iron core (due to hysteresis and eddy current losses) and windings (due to copper loss) during operation, then transfers the heat to the tank wall—where it is dissipated into the air through natural convection. This dual-functional design gives the transformer high heat dissipation efficiency, ensuring stable operation even under continuous load. Additionally, the mature production process of mineral oil-based transformers, coupled with the low cost of raw materials (compared to dry-type or eco-oil transformers), results in distinct cost advantages, making it a preferred choice for budget-constrained projects.

63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

Export

63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

Application

63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

Patent


63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

Professional Equipment

63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

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

63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

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

63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

Target Market


63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

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.

63kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3
Contact us
  • Add: No. 15, Yunpu 1st Road, Yunpu Industrial Zone, Huangpu, Guangzhou, Guangdong, China
  • Tel: (+86)-020-82505003
  • Email: ggelectric@gz-gg.com

Product Tags:

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