750KVA Outdoor Dry Type Transformer Supplier

‌Small outdoor dry-type transformer‌ is a dry-type transformer used in outdoor environments, which has many advantages and applicable scenarios.

Definition and characteristics
Outdoor dry-type transformer refers to a dry-type transformer designed for outdoor environments. Its main features include:

‌Flame-retardant materials‌: Use flame-retardant materials as insulating materials to avoid the risk of fire and explosion‌

‌Maintenance-free‌: Since there is no oil-immersed system, the problems of leakage and pollution are reduced, and the maintenance workload is greatly reduced‌

‌Applicable environment‌: Suitable for places with high fire protection requirements, such as high-rise buildings, airports, power stations, etc.‌

‌Flexible installation‌: It can be installed outdoors, or it can be designed as an outdoor type according to needs to reduce the installation area‌

There are significant differences in design, use and protection level between outdoor dry-type transformers and indoor dry-type transformers. ‌

Design differences ‌Indoor dry-type transformers‌:

The design focuses on compactness, silence and safety. Usually a closed structure is adopted, with beautiful appearance and low operating sound. In addition, indoor dry-type transformers also include protection measures such as automatic grid protection devices and thermal relays to ensure the stable operation of the equipment ‌
‌Outdoor dry-type transformers‌: The design focuses on waterproofing, weather resistance and corrosion resistance. Usually an oil-immersed structure is adopted, with a high level of protection, which can withstand the erosion of severe weather and environmental conditions ‌

Protection level differences ‌Indoor dry-type transformers‌:

The housing usually adopts IP20 or IP23 standards. The IP20 standard can prevent the entry of solid foreign objects with a diameter greater than 12mm, while the IP23 standard can prevent the entry of water droplets within 60° from the vertical line, but may reduce the heat dissipation capacity ‌
‌Outdoor dry transformers‌: The housing needs to be able to prevent the entry of water droplets within 60° from the vertical line to ensure normal operation in outdoor environments ‌

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