ABB SPAU 140 C - Block Schematic Diagram

11
Block schematic
diagram
U1
&
1
>
SGF/1
U
max
U
max
U
min
U3
t
CB13
BS13
CS13
Command
operation
SGB/3
CB13
SGF/4
SGF/3
SGF/2
ALARM
NC13
CSF13
SGR/1
SGR/3
1
>
1
>
SPCU 3D45
T1
T3
T5
SGB/1
U
max
U
max
U
min
1
>
U2
SGB/2
SGF/5
SGF/6
BS23
CS23
SGF/8
SGR/5
SGR/7
SGB/4
T2
CB23
NC23
CSF23
T4
T6
cond13
out13
cond23
out23
2
1
∆U
∆f
∆ϕ
∆U
∆f
∆ϕ
∆U13
∆f13
∆ϕ13
&
t
valid13
∆ϕ23
∆f23
∆U23
t
VC
t
VC
t
CB23
t
valid23
&
&
Command
operation
&
SGF/7
&
Fig. 9. Block schematic diagram for the synchro-check module SPCU 3D45.