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Power Transformers, Above 25KVA Rating
Power Transformers, Above 25KVA Rating
Voltech Transformers, a company set up and headed by a technocrat with a dynamic team of qualified and experienced professionals, has full fledged facilities for design, manufacture, material handling, testing and servicing of a wide range of transformers up to 5 MVA 33 kV class. The manufacturing unit has a built up area of 10,000 sq.ft., with a manufacturing capacity totalling 100 MVA per year. The company also carries our repairs, conversion capacity enhancement and overhauling of transformers. Repairs: these are carried out on power and distribution transformers up to 5 MVA 33 kV including changing of complete windings and insulation. Such repairs are carried out at various sites in India where adequate handling and working facilities are available. Conversion: Ø Voltage ratio conversion – e.g., converting 66/11 kV to 33/11 kV, i.e., to a lower voltage ratio, Ø off circuit tapping switch to on load tap changer – by changing the existing windings and fitting on load tap changer so that the existing transformer can handle voltage fluctuations without switching off the transformer. Capacity enhancement: by providing extra cooling through the addition of fans, and/or additional radiators, etc. External modifications: converting cable box to bare bushing and vice versa, converting PILC cable box to XLPE cable box, changing from welded tube radiators to pressed sheet steel radiators. Overhauling: Life enhancement by taking up total insulation changing, oil filtration/ replacement, sludge removal from the windings, replacement of gaskets, servicing of accessories, painting and routine testing. Spares: the company can supply all the transformer accessories and in case of obsolete parts modifications can be suggested/carried out.
