#

Under high voltage regime

Parameter

Numerical value

1

Disk radius, mm

371/438

2

Height of the disk, mm

21

3

Width of the isolation, mm

4 (axial), 0.7 (radial)

4

Number of turns

20

5

Oil specific heat J/Kg ˚C

420

6

Density of disk, Kg/m3

4300

7

Thermal conductivity, W/m・˚C

2.5

8

Resistance Coefficient, ˚C−1

0.0039

9

Number of ducts

18

10

Width of ducts, mm

8

11

Copper total loss in high voltage winding, W

12000

12

Copper loss per disk, W

217

13

Internal area of the disk, m2

0.0489

14

External area of the disk, m2

0.057

15

Vertical space area, m2

0.0189

16

Horizontal space area, m2

0.063

17

Total exposed area to oil, m2

0.288

18

Heat flux per disk, W/m2

751