Page 114 - CITS - Electrician - Trade Practical
P. 114

ELECTRICIAN - CITS




            6        Sparking in terminals       Loose contact on terminals/   Tighten the terminals & cable
                                                 bushes                        Reduce the load
                                                 Over loading

            7        Burning smell/smoke         Winding insulation failure    Rewinding to be done
                                                 Short circuit in windings     Rewinding to be done
                                                 High supply voltage           Inform to EB authorities to check
                                                 Excessive load on transformer  Reduce load


            8        Oil leakage                 Oil seal/gasket  damage       Replace the oil seal/gasket
                                                 Loosen bolts of transformer   Tighten the bolts of oil tank
                                                 tank                          Drain the oil and weld/braze the
                                                 Mechanical damage to tank     damaged part of oil tank




































































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                                    CITS : Power - Electrician & Wireman - Exercise 47
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