English Transformer process flowTransformer Welds magnetic particle testing process1Pretreatment① Clear the surface of the weld and heat affected zone of weld spatter slag and the use of grinding whee

ction should be classified according to the standards in EN1290-98. The inspector should record the location, size, shape, orientation, and distribution of any detected defects in the test record. The defects should be evaluated based on their impact on the safety and reliability of the transformer. If necessary, repair or rework should be performed to ensure the quality of the welds.