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What are the application scenarios for oil-immersed cylindrical column transformers and dry-type epoxy-cast cylindrical column transformers?

2026-02-21

Oil-immersed cylindrical pole-mounted transformer


Suitable for: Outdoor, harsh environments, and cost-effective applications

Rural power grids, township and suburban power distribution

Roadside lighting, industrial park perimeters, remote areas

High-temperature, humid, dusty, rainy, and salt-spray environments

General power distribution projects with low fire protection requirements and limited budgets

Traditional 10kV overhead line pole mounting

Features: Durable, inexpensive, good heat dissipation, suitable for outdoor/open-air applications.


Dry-type epoxy-cast cylindrical pole-mounted transformer


Suitable for: High fire protection requirements, densely populated areas, and areas with strict safety and environmental protection requirements

Urban residential areas, city centers, and densely populated commercial areas

Schools, hospitals, parks, scenic spots, underground/semi-underground power distribution

Around high-rise buildings, subways, stations, and airports

High fire and explosion protection requirements: Factories, warehouses, shopping malls

Environmentally friendly projects where oil leakage and fire hazards are not allowed

Features: Oil-free, fireproof, explosion-proof, maintenance-free, and safer.


Super Concise Summary:


Oil-Immersed: Durable and low-cost for outdoor use → Rural areas, suburbs, and ordinary power grids


Dry Epoxy: Safe, environmentally friendly, and fire-resistant → Urban areas, densely populated areas, and high-end projects