SPT - Special Transformers

TwincasT

Fully Cast Resin Dry Type Transformer up to 2.5MVA - 36kV

End of Commercialisation

Safety and environmental friendly solution to strongly constraining environments

TwincasT

Features

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Rated power from 400 kVA up to 2.5 MVA
Rated insulation level up to 36 kV
Rated frequency 50 or 60 Hz
MV & LV windings encapsulated in cast resin
Thermal insulation Class F
E3, C3, F1 certified
Deep temperature storage up to -60°C
Resistance to high level of humidity > 95%
Naturally cooled (AN) or air forced (AF) on request
Indoor installation or outdoor on request (with enclosure)
Enclosure with protection up to IP44
On-Load Tap Changer (OLTC) upon specific request
LV lightning impulse test proceed at 30 kV
Benefits

A reinforced conception for extreme use
Safety for people and property
No fire hazard – Self extinguishing (F1)
Totally insensitive to harsh environments
Increased dust and moisture resistance
Total self-extinguishing of both windings
Simplified maintenance cleaning (smooth surfaces)
Applications

O&G Industries: Refineries, Onshore and offshore platform, Pipelines…
MMM Industries: Smelter, Aluminium, Steel plants, Underground mines, Cement…

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