Dry-type Power Transformer
An air-cooled transformer for voltage conversion and power distribution, with cast-resin or non-encapsulated windings for indoor applications.
Typical Applications
Industries: Commercial buildings, healthcare, manufacturing and rail transit.
Sites: Indoor substations, data centers and underground distribution rooms.
Product Overview
Typical Challenges
Product Features
Uses air cooling without transformer oil, avoiding oil leakage and waste-oil handling.
Oil-free Construction
Available with cast-resin or non-encapsulated F/H-class winding designs.
Winding Options
Sealed resin windings resist moisture, dust and corrosion.
Cast-resin Insulation
A compact, lightweight structure reduces installation space requirements.
Compact Design
Optional monitoring provides winding temperature display, alarms, trips and automatic fan control.
Optional Temperature Protection
Forced-air cooling supports short-term overload operation.
Short-term Overload Support
Specifications
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Rated Capacity
0.1-8 MVA
Voltage Range
0.1-35 kV
Cooling Method
AN / AF
Insulation Class
F or H
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