GE ZTSCT Switch User Manual


 
C.V. SCR-N CONTROL VOLTAGE (SOURCE 1)
C.V. SCR-E CONTROL VOLTAGE (SOURCE 2)
C.V. SCR-EO CONTROL VOLTAGE (OPEN SOURCE 2)
C.V. SCR-NO CONTROL VOLTAGE (OPEN SOURCE 1)
SCR-NO
JC
908
JC
C.V.
SCR-E
C.V.
901
JC
JC
908
808
JC
SCR-EO
C.V.
JC
JC
801
JC
SCR-N
C.V.
GND
907
903
902
801
901
807
804
803
904
905
906
805
806
GROUND
COMMON
J5
24V 10V 11V 10V24V 10V 11V 10V
XN1 XN2
20 21 22
XN1 -
XN2 -
XE1 -
XE2 -
SOURCE 1 CONTROL TRANSFORMER
SOURCE 1 3 PHASE SENSING
TRANSFORMER
SOURCE 2 CONTROL TRANSFORMER
SOURCE 2 3 PHASE SENSING
TRANSFORMER
SINGLE PHASE SOURCE 2 SENSING
3-PHASE SOURCE 1 SENSING
SOURCE 1 CONTROL POWER
SOURCE 2 CONTROL POWER
800
902
804
803
805
806
804
807
900
902
904
903
905
906
904
907
800
900
SOURCE 2 24V OUTPUT
SOURCE 1 24V OUTPUT
(18)
(1)
908
808
XE1
30
XE2
31 32
3-PHASE SOURCE 2 SENSING
30 GE Zenith Controls
ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A)
Relay/Transformer (R/T Box) (cont’d)
Figure 16
Closed Transition CPS Schematic