Power Transformer 3.15 MVA Voltage Rating-Primary :66kv Voltage Rating Secondary: 11kv Type of cooling ONAN Tap Changer Type: Offline No of Tapping: 5 Connection- Delta-Star Vector-Dyn11Note:A) Accessories required with transformer.1) Oil level gauge2.) Oil temperature gauge 3.) Pressure-Vacuum gauge 4.) Pressure relief device5.) Winding temperature gauge. 6.) Transformer cooling fans. 7.) High voltage bushings 8.) Low voltage bushing. 9.) Buchholz relay 10.) Silica Gel Chamber with silica gel. 11.) Secondary side Closed chamber for 11KV bushing. 12) Winding Temperature gauge.13) HT bushing Clamps. 14.) LT bushing clamps.B) Installation, Commissioning and Testing of the Transformer will in the scope of supplier.C) Old dismantled Transformer will be stored in the Hydel Store. D) All the material required for installation and testing of Transformer will be in the scope of supplier.
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