Furnace Transformers
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Furnace Transformers
Furnace transformers supply power to electric furnaces of various types like Arc furnace, Induction arc, Submerged arc, Rectifier duty & Ladle furnace transformers.In order withstand repeated short – circuit conditions and high thermal stress and to be protected from operational voltages resulting from the arc process, these transformers are designed after considering demanding conditions. The furnace transformer supplying power to furnace has to handle extremely high value currents in the order of kAmps depending upon furnace ratings.
Specifications :
- Class A, uniform/non-uniform insulated
- Vector group Dyn 11, YNd 11, Dd0y11
- On load tap changer
- Off-circuit tap changer
- Standard fittings as per IS/IEC standards
- Both HV & LV side outdoor bushings/ cable box/bus ducts/bus bar risers
- Painting as per IS/IEC standards or customer requirements
- Continuous duty, double copper wound
Protective devices :
- Oil temperature indicator with alarm and trip contact
- Winding temperature indicator with alarm and trip contact
- Buchholz relay with alarm and trip contact with shut off valves
- Pressure relief valve with alarm and trip contact
- Magnetic oil level gauge with alarm contact
- Marshalling box to house oil temperature indicator and winding temperature indicator
- Neutral current transformer
- Cooler units like oil to water heat exchanger pressure gauges, flow gauges, etc
Application in following industries :
- Arc Furnace
- Ladle Furnace
- Submerged Arc Furnace
- Steels & Pipes Industries
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