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315kVA 20kV Oil-immersed Distribution Transformer S(B)13-NX3 Energy Efficiency Level 3

Categories Oil Immersed Distribution Transformer
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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  • Company Profile

315kVA 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
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 RangeLV(kV)
30

20
20(10)
or others

±5%/ ±2×2.5%0.4Dyn11
Yzn11
Yyn0
80660/6305.5
50100960/910
631201140/1090
801401370/1300
1001601640/1570
1251901980/1880
1602302410/2300
2002702850/2720
2503203340/3180
3153804000/3810
4004604720/4490
5005405640/5380
63065064806
8007807840
100092010700
1250110012500
1600133015100
2000156019100
2500187022200
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
  • Core Medium and Feature Positioning of the Product
    This product is a traditional oil-immersed distribution transformer, which relies on mineral oil as the core to achieve dual technical functions. Firstly, it utilizes the high insulation strength of mineral oil (breakdown voltage ≥35kV) to isolate the electrical paths between the iron core, windings and oil tank, avoiding internal discharge faults. Secondly, it leverages the convective heat dissipation property of mineral oil (heat transfer coefficient approximately 0.12 W/(m·K)) to quickly dissipate heat generated during operation, with heat dissipation efficiency 18%-22% higher than that of dry-type transformers with the same capacity. In terms of cost, mineral oil has low procurement cost and standardized production process, so the overall equipment cost is 28%-32% lower than that of environmentally friendly oil transformers. With significant cost advantages, it is suitable for basic power distribution projects sensitive to investment budgets.

Export


Factory


Certificate

Exhibition

Professional Equipment

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
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