SSAC90

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 or

diode)

Fig. 9 Transient thermal impedance

junction to heatsink (per thyristor

or diode)

R

d

R

DC

0.3

180

0.31

120

0.33

60

0.35

30

0.37

Constants for Z

i

R

t

1

0.008

0.0019

2

0.054

0.047

3

0.238

0.3

R

d

R

DC

0.5

180

0.51

120

0.53

60

0.55

30

0.57

Constants for Z

i

R

t

1

0.008

0.0019

2

0.054

0.047

3

0.238

0.3

4

0.2

1.25

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

SSAC90

SSAC90

SSAC90

SSAC90

SSAC90

SSAC90

SSAC90

SSAC90

SSAC90

3*SSAC90

3 x SSAC90

3 x SSAC90

3 x SSAC90

3 x SSAC90

3 x SSAC90

3 x SSAC90