44
Load Break Switch Control
ERT-200S
Recloserlockout after a fault section, DAS indicates the fault section and isolates it by sending Open
command to the controllers of LBS L3, L4. Wherein L5 is to supply power from the back of a loop Tie
breaker.
i)
A fault detected between L3 and L4
ii)
Tripped Recloser(R1) in the line and L2,L3 indicate fault at the time
iii)
DAS decided the fault section and opened L3,L4, then closed R1, L5
L5 may be energized from the loop tie switch backward
[Fig. 6-1 ] Fault detection &restoration sequence
At the temporary fault,distribution lines are restored automatically by a reclosing. The fault indication
of FRTU can be reset by push button on the front panel or by remote reset command. Also, it can be
reset automatically when the line is energized.
[Fig. 6-2 ] Fault Indication
Summary of Contents for ERT-200S
Page 1: ...Feeder Remote terminal Unit ERT 200S Manual www powersys kr...
Page 13: ...13 Load Break Switch Control ERT 200S 2 5 Function BlockDiagram...
Page 38: ...38 Load Break Switch Control ERT 200S 5 3 3 Menu structure tree Figure Menu Tree Structure...
Page 42: ...42 Load Break Switch Control ERT 200S...
Page 96: ...Appendix 1 Drawings 1 Enclosure Control Cabinet...
