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ELDEE manufactures a wide range of distribution and power transformers ranging from 10KVA to 5000KVA with voltage class upto 33 KV.These transformers can be free breathing or hermetically sealed. Conventional transformers are fitted with a conservator with breather for free breathing while hermetically sealed ftransformers are totally maintenance free and are particularly suited for use in exposed outdoor environments such as moisture,salt or dust laden atmospheres. Ideal for chemical plants,oil and gas terminals where poor accessibility makes regular maintenance undesirable.both types can be supplied with HV and LV Switchgear incorporated into.substations.ELDEEmanufactures conventional/hermetically sealed/bolted type,indoor/outdoor type,pole/platform mounted 3 phase,50/60 Hz,oil immersed,ONAN/ONAF/OFWF cooled, step up/step down,double wound with A1/Cu conductor.Optimum design for reliability, accuracy,low losses,specified performance characteristic such as impedance,temperature rise,efficiency, noise level and ability to withstand the thermal and dynamic effects of short circuits,lighting and switching surge are enxured. Specifications : • Range : Upto 5MVA upto 33KV Class * Phase : Three Phase * Cooling : NOAN * Frequency : 50 Hz • Tapping : (a) Offcircuit tap changer to provide +5% to-10% taps in steps of 2.5% (b) On Load tap changer to provide + 7% to -20% taps in step of 1.75% • Vector group : DYN 11 * Duty Cycle : Continuous * HV Side Cable Box,LV Side Cable Box/Bus Duct • Core : The core is constructed from low loss,cold-rolled,grain oriented, annealed lamination • Copper : Electrolyte grade,99.9% pure • Reference standard IEC/BS/ANSI/IS/NEEMA Our transformers are tested as per IS 2026 and type tested by testing agencies CPRI,ERDA and RDSO. The Technical specifications are given in Table and 2
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