Maintenance of distribution transformer pdf

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distribution transformer maintenance manual

Distribution transformers are normally considered to be those transformers which provide the transformation from 11 kV and lower voltages down to the level. Operating & Maintenance Manual. Distribution Transformers up to 3150 kVA. Oil filled and free breathing. Bowers Group of Companies are proud to be members The purpose of this Maintenance Manual is to provide guidance on required and recommended maintenance of liquid-filled (mineral and synthetic ester) Modern transformers are designed to closer tolerances than transformers in the past. Thus, effective, regular maintenance and testing is even more essential to. This manual describes general operation / maintenance of 3-phase two winding oil immersed distribution transformers manufactured according to IEC / BSTransformer preventative maintenance involves routine inspection, adjustment, testing, minor fixes, and special handling instructions. Also, the trouble- free 445 Guide for Transformer Maintenance Working Group A2.34 February 2011 Guide material) that controls the uniform distribution of the electrical field.