Table 3 Different radial deformation levels.

From: Transformer windings defects identification using frequency response analysis and advanced data visualization techniques

Fault No.

Percentage of Deformation

Location

RD1

2% (1 side (

The 11th up to the 35th disks

RD2

4%)1 side(

RD3

7%)1 side(

RD4

2%)2 opposite sides (

RD5

4%)2 opposite sides (

RD6

7%)2 opposite sides (

RD7

2%)3 sides (

RD8

4%)3 sides (

RD9

2%)4 sides (

RD10

4%)4 sides (

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