ABB REC 561 - Page 253

ABB Network Partner AB
Auto-reclosing - Single- and/or
three-phase
Version 1.0-00
1MRK 580 170-XEN
Page 5 - 74
Fig. 6 Reclosing checks and “Reclaim” and “Inhibit” timers.
Simplified logic. Details are left out
(X80170-6)
t
AR01-EXTSYNC
&
1
V
t
tSync
AR---INPROGR
&
AR---INHIBIT
Blocking
Pulse AR (above)
TPTO
T2TO
T3TO
T4TO
1
V
SPTO (Fig.5)
“AR Open time” timers
&
&
Trip int. (Fig.3)
Additional condition
&
1
V
Blocking
Pulse AR
AR State
Control
Logic
1
V
t
tReclaim
&
AR State
inf.
1
V
Inhibit