Furnace Duty Transformer

About Furnace Duty Transformer

Product Description

We offer wide range of Furnace Duty Transformer.

Main Features

• Transformers are designed for induction furnace. at furnace & submerged are furnace application
• Magnetic circuit- lamination CRGO M3 toMS type
• Electric circuit - electrolytic grade 99.9% owe copper with Transposition in LV call for current sharing in parallel conductors
• Dielectric circuits - electric grade press paper, boards .ind mineral oil
• Thermal circuit  adequate cooling ducts are provided radially & axially for the smooth flow of oil internally. Radiators cooling bank? are provided for natural air cooling ONAN Additional fans for ONAF cooling. High current transformers are provided with OFW cooling

Specific features

• Designed for trouble-free performance during surges & frequent Shot circuits
• Design conforms TO IS 2026, IEC 60076, IS 12977 and other relevant standards
• High current at low voltages
• Designed to withstand electrical impulses and thermal and dynamic stresses
• Optimum utilisation of active materials for compactness
• Modern manufacturing techniques ensure cost effectiveness, reliability and a long trouble-free performance

Specifications

• 3 phase. 50 Hz in voltages of 11 kV. 22kV. 33kV

• Off-circuit tap changer to provide +/ 5% ; 7.5% & to 0% taps in steps of 2.5%
• On load tap danger to provide +5% to 15% taps in slept of 1.25% as standard range and also custom built for any other ranges. OLTC will be internally/externally mounted as per the requirement
• Class A, uniform on-uniform insulated
• Vector group Dyn 11,Ynd 11,Dd0y11
• Continuous duty, double copper wound
• Panting as per IS/IEC Standards
• Both HV SIV side outdoor bushings/ cable box/bus ducts/bus bar riser
• Standard fittings as per IS/IEC standards

Protective devices

• Buchholz relay with alarm and trip contact with shut off valves

• Oil temperature indicator with alarm and nip contact
• Winding temperature indicate with alarm and trip contact
• Magnetic oil level gauge with alarm contact
• Pressure relief valve with alarm and trip contact
• Marshalling box to house oil temperature indicator and winding temperature indicator
• Cooler units like oil to water heat exchanger pressure gauges, flow gauges, etc
• Neutral current transformer

Optional accessories

• Winding temperature Indicator and oil temperature indicator with remote indication

• RTD for winding temperature measurement