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20kV Dry-type Distribution Transformer SC(B)18-NX1 Energy Efficiency Level 1 500kVA

Categories Dry Type 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: 20kV、22kV、24kV
Output Voltage: 0.4kV
Winding Material: Copper / Aluminum
Core Material: Silicon Steel Core / Amorphous Core
Application: Power
Rated Capacity: 50-2500KVA
Warranty: 2 years
Vector Group: Dyn11 Yyn0
Cooling Method: ONAN
Standard: IEC Standard
Name: Dry Type Distribution Transformer
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20kV Dry-type Distribution Transformer SC(B)18-NX1 Energy Efficiency Level 1 500kVA

20kV Dry-type Distribution Transformer SC(B)18-NX1 Energy Efficiency Level 1
Product Specifications
20kV dry-type distribution transformer SC(B)18-NX1 energy efficiency level 1
Capacity(kVA)Voltage CombinationVector groupNo load loss(W)(W)Full Load Loss (W)Short Circuit Impedance (%)
HV(kV)H.V. Tapping RangeLV(kV)F(120℃)H(145℃)
5020 22 24±5%/ ±2×2.5%0.4Dyn11 Yyn0219111011806
10034817901920
16043222202380
20047026502830
25054230803290
31562636703920
40074243604660
50087252105570
63098561606590
800113074307960
1000134088009360
125015341040011100
160018001240013300
200020911470015800
250025031740018600
2000209116000172008
250025031910020400

* Above specification may be changed to improve performance.

* Transformer of other specification than listed above can be made to order.

Product Overview
  • Model Interpretation

    The design serial number "18" incorporates state-of-the-art technologies exclusive to high-end dry-type transformers: ultra-thin iron cores, which push magnetic loss to an industry-low threshold and reduce overall equipment weight for easier installation in constrained spaces; and high-efficiency winding processes that boost current transfer precision while minimizing internal heat accumulation (a key factor in extending component life). As a high-end customized variant, the suffix "NX1" likely encompasses scenario-specific functional upgrades—such as active noise reduction systems (critical for maintaining quiet environments in hospitals and schools) and reinforced short-circuit protection mechanisms (lowering the risk of costly equipment replacement after faults). "Energy Efficiency Class 1", the top-tier national energy efficiency rating, trims energy consumption by an extra 8%-12% compared to Class 2. This not only meets the strict energy-saving mandates of eco-labeled buildings and core industrial zones but also reduces long-term operational expenses, enhancing the equipment’s asset value.


Application

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

Export

Target Market



Company Profile

Guanggao Transformer is a professional transformer manufacturer. We produce single-phase, three-phase, dry-type, distribution, and high-voltage transers (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 impulsforme 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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