SSAC18

Fig. 7 Three phase AC-controller:

Power dissipation versus RMS

output current and ambient

temperature

Fig. 8 Transient thermal impedance

junction to case (per thyristor)

R

d

R

DC

1.3

1.35

1.39

1.42

1.45

Constants for Z

i

R

t

1

0.018

0.0033

2

0.041

0.0216

3

1.241

0.191

Fig. 9 Transient thermal impedance

junction to heatsink (per thyristor)

R

d

R

DC

1.5

1.55

1.59

1.62

1.65

Constants for Z

i

R

t

1

0.018

0.0033

2

0.041

0.0216

3

1.241

0.191

4

0.2

0.46

Solid State AC Controller(Anti-Parallel Thyristor-Thyristor Modules)

3 x SSAC18

SSAC18

SSAC18