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Dry-type distribution transformers

Distribution transformers enable safe voltage levels for power consumption. But they are often located in densely populated areas or close to sensitive eco-systems. Using oil-filled transformers in such areas could pose hazardous risk of fire and oil-spills to humans and environment. In such cases, dry-type transformers are a preferred alternative. Therefore, to minimize environmental contamination and fire hazard, customers are specifying dry-type transformers more frequently.

Apart from being oil-free, all components of dry-type transformers are in solid form; they do not have flash points, nor do they require bushings. Thus, major causes of fire and oil-spillage are eliminated. Majority of insulating components used dry-type transformers can be also easily recycled. Moreover, the total cost of ownership for dry-type transformers is much lower due to lower cost of installation and no need of fire suppression system.

Hitachi Energy has been leading the development, manufacturing, and supply of dry-type transformers for more than 40 years - with path-leading technological innovation. Hitachi Energy offers a full range of dry-type transformers with primary voltages through 72.5 kV built according to all major standards including IEC and ANSI. 

With recent technological advances, Hitachi Energy has successfully designed and installed a dry-type transformer that can withstand 100 kV / 550kV Basic Impulse Level (BIL). Thus, paving the way for using this sustainable and environment-friendly transformer technology at even sub-transmission level.

These transformers meet strict parameters with respect to electrical system demands and functioning in areas with extreme climatic conditions. Hitachi Energy's dry and cast transformers are virtually maintenance-free and are manufactured in accordance with industry and international standards including ISO 9001.

 

Why Hitachi Energy?

  • More than 40 years in the market
  • Perfected and developed technologies to include all applications
  • Continuous innovation, research, and development with focus on customers
  • More than 40,000 dry-type transformers operating all around the globe

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