Appendix
A-101
7SJ63 Manual
C53000-G1140-C120-1
A.9.2
Pre-Defined CFC Charts
Some CFC Charts are already supplied with the SIPROTEC
®
device:
Device and System
Logic
:
Figure A-44
Device and System Logic
Set points
Using modules on the running sequence “measured value processing”, a low current
monitor for the three phase currents is implemented. The output message is set high
as soon as one of the three phase currents falls below the set threshold
:
Figure A-45 Undercurrent monitoring
IN: Device,
OUT: Control Device Block Data IntSP
IN: Control Device
OUT: Device, General Feeder gnd IntSP
General SP
GndSwit. DP
OUT: Device, General Brk OPENEDIntSP
IN: Device,
52 Breaker DP
IN: Data 2 Relay
TRIP OUT
IN: Set points 37-1 LV
IN: Measurement Ia = MV
IN: Set points 37-1 LV
IN: Measurement Ib = MV
IN: Set points 37-1 LV
IN: Measurement Ic = MV
OUT: Set points SP. 37-1
alarm OUT
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Содержание siprotec 7SJ63
Страница 16: ...xiv 7SJ63 Instruction Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 28: ...Introduction 1 12 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 112: ...SIPROTEC 4 Devices 4 38 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 346: ...Functions 6 182 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 494: ...Technical Data 10 48 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 604: ...Index Index 6 7SJ63 Instruction Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...