7-32
(3) Equivalent circuit showing connection of n SSRs
Equations (3) and (4) below must be satisfied.
V
SSR/MIN
≤
I
0
X Z+V
D
≤
V0 /N
Equation (3)
V
SSR'
≤
V
SSR/MAX
Equation (4)
(V
SSR'
= I
0
X Z + V
D
)
(4) Equivalent circuit showing parallel connection of n SSRs
Equations (5) and (6) below must be satisfied.
V
SSR/MIN
≤
I
0
/N X Z+V
D
≤
V
0
Equation (5)
V
SSR'
≤
V
SSR/MAX
Equation (6)
(
VSSR'
= I
0
/N X Z + V
D
)
I
(V )
0
0
SSR 1
V
Z
V
I /N
SSR n
V
SSR ’
Z
V
D
I /N
0
DCP551
SSR ’
D
0
I
(V )
0
0
SSR 1
V
SSR ’
Z
V
D
SSR n
V
SSR ’
Z
V
D
DCP551
Chapter 7. PARAMETER SETUP
