Thawing & Pipeline Heating Transformers

Power Range	All ratings on request
Max Voltage	LV/MV up to 36 kV
Technology	Cast Resin & Oil Immersed
Standard	IEC 60076
Cooling	AN (cast resin); ONAN (oil); outdoor arctic rated
BIL (Lightning)	Per insulation coordination
Temperature Rise	Per rated duty
Short-Circuit Std.	IEC 60076-5
Conducting Material	Aluminium or Copper
HV Coil Construction	Vacuum-cast (cast resin; C5 rated to −60 °C) or wound (oil)
LV Coil Construction	High-current LV winding for direct resistance heating; multiple selectable current taps
Insulation System	Epoxy resin (C5 arctic rated) or mineral oil; rated for arctic outdoor installation
Tank / Enclosure	Cast resin: open frame or weatherproof enclosure; Oil: corrugated/radiator tank; arctic outdoor rated
Tap Changer	Multiple LV current taps for heating power adjustment
Climate Class	C5 (cast resin, storage −60 °C / operation −50 °C); oil: arctic-rated option
Ambient Class	E4 (cast resin); per IEC 60076 (oil)
Fire Class	F1 (cast resin); oil per IEC 60076
Certifications & Standards	IEC 60076; ISO 9001:2015; GOST on request
Offshore Classification	On request
GOST Available	Yes – on request
Key Applications	Thawing frozen water/oil/gas pipelines; frost protection by resistance heating; permafrost infrastructure; cold-climate oil & gas facilities
Industries Served	Oil & gas; district heating; water utilities; arctic/permafrost infrastructure; pipeline operators
Typical Delivery	Per project scope

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