Toshiba GR200 Series Instruction Manual page 1059

A B C
Feeder
Figure 5.2-12 1CB arrangement with [APPL-CTSELECT]=1CT
A B C
Figure 5.2-13 Paralleling connected CTs with [APPL-CTSELECT]=1CT
Note: The setting [APPL-CTSELECT] is just available for VCT11B.
Setting [APPL-CTSELECT] = 2CT
(v)
Figure 5.2-14 illustrates the operation in the 1.5CB arrangement when two three-phase
currents can be injected separately for the VCT. The two three-phases currents are composited
in the IED.
Busbar
IED
VCT
CT
I a
I b
I c
I a2
I b2
I c2
Setting [APPL-CTSELECT] = 1CT
IED
VCT
Busbar
CT
I a
I b
I c
Feeder#1
I a2
I b2
I c2
Feeder#2
Busbar Setting [APPL-CTSELECT] = 1CT
- 1036 -
6F2S1914 (0.49)
DIF function
Three-phase currents
I a
I b
I c
DIF function
Three-phase currents
I a
I b
I c
GRL200 (Soft 033 & 037)