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3 - 3

VW 2x60

0

1020304050

60

0

20

40

60

80

100

120

140

160

180

200

0

25

50

75

100

125

150

110

100

1000

10000

0

25

50

75

100

125

0

5

10

15

20

25

30

35

40

45

0

102030405060

0

20

40

60

80

100

120

140

160

180

200

0

25

50

75

100

125

150

0.001

0.01

0.1

1

0

100

200

300

400

500

s

I

A

°C

180° sin

120°

60°

30°

DC

I

TAVM

°C

A

0.001

0.01

0.1

1

10

0.00

0.25

0.50

0.75

1.00

1.25

1.50

ms

t

A

I

TSM

T

A

°C

K/W

A

I

TAVM

A

W

V

80 % V

RRM

50 Hz

Circuit

W3C2

1x VW2x60

0.2

0.5

1

1.5

2

3

5

R

0.2

0.5

1

1.5

2

3

5

R

Circuit

B2C

2x VW2x60

W

Z

thJK

s

t

T

A

I

RMS

T

C

t

P

tot

P

tot

Fig. 5 Load current capability for two phase AC controller

Fig. 6 Surge overload current

Fig. 7 Power dissipation versus direct output current and ambient temperature

cyclo converter, four quadrant operation

Fig. 8 I²t versus time (per thyristor)

Fig. 9 Transient thermal impedance junction to heatsink (per thyristor)

Fig. 10 Maximum forward current at

case temperature

T

45°C

T

T

45°C

T

Constants for

Z

R

0.021

0.003

0.003

0.022

0.94

0.191

0.226

0.45

DC

30°

R

conduction angles:

R

d :

1.22

DC

1.27

180°

1.3

120°

1.35

60°

1.37

30°