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Copper / Aluminum Winding 330kV 240MVA Oil Filled Transformer Manufacturers

Categories Oil Immersed Power Transformer
Brand Name: GuangGao
Certification: ISO CESI UL KEMA
Place of Origin: Guangzhou
Packaging Details: Export Standard Package
Payment Terms: T/T L/C
Name: Oil Filled Transformer Manufacturers
Phase: Three
Vector Group: Yd11、YNd11
Cooling method: ONAN
Winding material: Copper / Aluminum
Application: Power
Warranty: 2 years
Standard: IEC Standard
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Copper / Aluminum Winding 330kV 240MVA Oil Filled Transformer Manufacturers

330kV Oil Immersed Power Transformer 240MVA Capacity
Product Specifications
330kV Oil Immersed Power Transformer 240MVA Capacity
Rated Capacity (kVA)Level 1Level 2Level 3Short - circuit Impedance (%)
No - load Loss (kW)Load Loss (75 °C) (kW)No - load Loss (kW)Load Loss (75 °C) (kW)No - load Loss (kW)Load Loss (75 °C) (kW)
31500171152011524122






12~14

40000201342313429142
50000241612816134170
63000281883318840199
90000352464224651259
120000433045130463321
150000513606036074380
180000594137041386436
120000


(LV: 66kV,69kV)

3035330365320
1500003556235577374
1800004067340690428
24000050491504112532

* Above specification may be changed to improve performance.

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

Product Overview
The 330kV 320MVA oil-immersed power transformer serves as a critical device in high-voltage power transmission and transformation, designed for integration into ultra-high voltage power grid systems. It addresses the power evacuation demands of large-scale power plant generators and the voltage conversion needs of regional power grid junction nodes, enabling the core tasks of large-capacity electricity transmission, voltage transformation, and power distribution.
It adopts a high-grade silicon steel core, energy-saving low-loss windings, and a hermetically sealed cooling structure—key features that contribute to minimal power dissipation, reduced operational noise, and strong short-circuit withstand capability. Boasting an insulation level that surpasses the LI950AC395 standard, this transformer maintains reliable performance even in harsh outdoor conditions. Additionally, it supports the integration of real-time online monitoring systems and on-load tap-changers, further guaranteeing the stable and efficient operation of the power grid.

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

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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
China Copper / Aluminum Winding 330kV 240MVA Oil Filled Transformer Manufacturers factory
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