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Hermetically Sealed Transformer
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Hermetically sealed transformer is a transformer design which has no conservator. Here the dielectric insulating fluid in the transformer tank is completely sealed and is in zero contact to the atmosphere. The design avoids air in the transformer tank thereby avoiding sludging and oxidation of the dielectric fluid. Hermetically sealed transformers are totally maintenance free and are particularly suited for use in exposed outdoor environments such as moisture, salt or dust laden atmospheres. They are used extensively in chemical plants, oil and gas terminals where poor accessibility makes regular maintenance impracticable. Transformers immersed in synthetic coolants are suitable for use indoors with adequate ventilation or near to the load center where oil would not be considered environmentally acceptable. Normally these type of transformers are accommodated by devices that measure heat related volume variations. Gas cushion is used to compensate the volume variation due to heat. Normally the gas is nitrogen. This gas is thermally uncoupled from the dielectric liquid.
oil cooled transformers
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We at TRANSPOWER have an extensive record as a trusted manufacturer of wide range of Transformers (which includes Oil filled, VPI and Cast Resin), reactors/chokes, CTs, PTs & coils to cater different industries as per the applications & specifications of customers. As we are committed to customer satisfaction by providing wide range of power solutions, we had great interaction with different field customers with their challenging requirements. Our organisation core competency got evolved over the years to benchmark ourselves against global leaders by utilizing strategic combination of our last 30 years’ experience, design capabilities, innovative ideas. Further this helped us to have better access to most advanced magnetic & insulating materials to provide our customers quality products with optimum cost. Presently bwe design, develop, produce and deliver wide range of high quality Magnetics as per international standards. “Transpower India Electronics is having well established infrastructure to produce energy efficient Oil cooled Transformers as per wide range of internationally recognised standards – IEC, ANSI, BS and IS” Our Range Of Oil Cooled Transformers: Power and distribution transformers, Rating up to 4MVA, up to 36KV Star rated transformers as per BEE Copper wound / Aluminium wound. Rectifier transformers Furnace Transformers Isolation Transformers AVR transformers Variable Transformer Special Purpose Transformers Salient features: Designed to withstand electrical impulses, thermal and dynamic stresses Low power loss, low noise transformers High level of safety Advantages: 2 years standard warranty Lowest total cost of ownership Our Range Of Oil Cooled Transformers: Power and distribution transformers, Rating up to 4MVA, up to 36KV Star rated transformers as per BEE Copper wound / Aluminium wound. Rectifier transformers Furnace Transformers Isolation Transformers AVR transformers Variable Transformer Special Purpose Transformers Standard Fittings wherever applicable : Oil filling device Drain Plug Oil level Indicator. Lifting lugs Earthing terminal. Rating and Diagram Plate Primary Bushings Secondary Bushings Skid Base/Roller arrangement. Silica Gel Breather Thermometer / Thermometer pocket Pressure relief vent /Explosion vent Tank grounding provision Overload light indicator * Optional Fittings : HV/LV Cable Box Off circuit Tap Changer On Load Tap Changer Buchholz relay to house OTI and WTI Magnetic Type Oil Level Gauge with alarm contact Oil/winding (optic fibre ) temperature Indicators with alarm ad trip Marshalling box Terminal Connectors RTCC Panel Condenser type Bushing for voltage class of 33KV Earthing Lugs NCT Gas and Oil Operated Relay (for ratings above 1000 KVA) Arcing Horns Lightning Arrestors HT fuse links External Reset Handle Oil immersed Circuit Breaker /MCCB Pole mounting brackets/ tank base channels.
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Oil cooled Transformer
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