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Oil Immersed Distribution Transformer
Created with Pixso. 400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3

400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3

Brand Name: GuangGao
Model Number: D
MOQ: 3
Payment Terms: T/T L/C
Detail Information
Place of Origin:
Guangzhou
Certification:
ISO CESI UL KEMA
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
Packaging Details:
Export Standard Package
Highlight:

400kVA Power Distribution Transformer

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20kV Power Distribution Transformer Oil Immersed

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Power Distribution Transformer Oil Immersed S(B)13-NX3

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
Product Overview

Product Technical Positioning and Core Characteristics

This product is a traditional oil-immersed distribution transformer, with mineral oil as the core functional medium. On one hand, it relies on the high insulation resistance of mineral oil (≥1×10¹⁴ Ω·cm) to isolate the electrical connection between the iron core and windings, preventing short-circuit faults. On the other hand, it utilizes mineral oil’s high specific heat capacity (approximately 2.1 kJ/(kg·K)) and fluidity to quickly conduct heat generated during operation, achieving efficient heat dissipation. Its heat dissipation efficiency is 15%-20% higher than that of dry-type transformers with the same capacity. Meanwhile, mineral oil is easily available and has a mature production process, so the overall equipment purchase cost is 25%-30% lower than that of environmentally friendly oil transformers. With outstanding cost advantages, it is suitable for basic power distribution projects with limited budgets.

400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3 0

Application

400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3 1

Export


400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3 2

Patent


 

400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3 3

Professional Equipment

400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3 4

Exhibition

400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3 5

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

400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3 6

Target Market 


 

400kVA 20kV Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3 7

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 Power Distribution Transformer Oil Immersed S(B)13-NX3 Energy Efficiency Level 3 8
Contact us
  •    Add: No. 15, Yunpu 1st Road, Yunpu Industrial Zone, Huangpu, Guangzhou, Guangdong, China
  •    Tel: (+86)-020-82505003
  •    Email: ggelectric@gz-gg.com