Dry Transformers up to 3.6 MVA, 33 KV (Indoor & Outdoor)
EGYTRAFO Group produces a wide range of Dry type Cast Resin transformers up to 3.6 MVA, 33 KV which are suitable for indoor and outdoor installation (inside an enclosure with certain IP) and ambient temperatures up to 45oC.
Dry type transformers is a reliable alternative for oil immersed transformer with low running costs, free maintenance, environmental friendly and suitable for operation under heavy load fluctuations.
* Different types:
Impregnated LV, Casted HV
Casted LV, Casted HV
Al â?? Al winding (Aluminum)
Cu â?? Cu winding (Copper)
* Cooling Methods:
Air Natural (AN)
Air Forced (AF) : Increased Power by 35-40 %
* General Characteristics & Advantages:
Fire resistance :
In locations where the fire risk associated with the use of mineral oil is unacceptable like offices, shopping complexes, apartment buildings, hospitals etc.
Maintenance free:
No liquids/oil to contaminate, break down, leak or explode and burn
Insensitive to moisture
High overloading capacity
Long and stable lifetime
Installation close to load centers (maximum safety)
Easy to connect and install
Immediate switch-on
Easy to repair
No special requirements for installation room
Environmentally safe
Hardly inflammable
Low operational cost and service expenses
High performance, reliability and high short circuit strength
* Field of Applications:
Transportation means as railways underground, trams, and tunnels
Locations with vibrations and shocks (like ships and cranes)
All products comply to IEC standardsKEMA Certified
Types of Oil immersed transformer:-
A- Standard distribution transformers: Ratings from 25 KVA to 3500 KVA with vector group Dyn 11
Pole-mounted transformers
Pad mounted transformers
· Step -up transformers
Step -down transformers
B- Special Design Transformers: High rating up to 15000 KVA, 33 KV
â?? Various numbers of taps for instance: (5,7,9,12,.21, etc..
â?? Dual voltage transformers for both: primary and secondary side
Testing transformers according to customer ratings and data
Isolating transformers according to customer ratings and data
EGYTRAFO Group can design new solutions for Oil & Gas, Utilities, and Industrial sectors, according to their existing networks, and requirements.
C- EARTHING Transformers / Zigzag.
D- Auto-Transformers: O.L.T.C Auto Transformer with rating up to 600 A & 9 tapping positions.
All products comply with IEC Standards
KEMA Certified
Compact, space saving design
No special tools are needed for assembly
Reduce space for storage and transportation
High flexibility
Designed according to customer needs
Dimensions :
â?? Height from 300 mm up to 1200 mm
â?? Width from 300 mm up to 1000 mm
â?? Depth from 200 mm up to 300 mm
Protection degree up to IP 65
Can be equipped cable compartment
Rated current up to 630A
Design and assembled according to IEC 439-1
All routine tests are applied
Polyester powder RAL 7032 or 7035 As Reqest
Incoming and outgoing from top or bottom
Can be recessed Frame Must Be added or wall mounted
Applications :
Main & outgoing switchboards
Motor Starter
Load Center up to 72 Lines
Available in stainless steel as per Request
