ABB RELION REX640 Technical Manual page 1534

Section 9
Control functions
1528
GUID-BDA103A4-C24A-4A3F-BB00-BBC80DBEB0BE V1 EN
Figure 805: Autoreclosing sequence with two shots
t Time delay of high-speed autoreclosing, here:
HSAR
t Time delay of delayed autoreclosing, here:
DAR
t Operating time for the protection stage to clear the fault
Protection
t Operating time for opening the circuit breaker
CB_O
t Operating time for closing the circuit breaker
CB_C
In this case, the sequence needs two CBBs. The reclosing times for shot 1 and shot 2
are different, but each protection function initiates the same sequence. The CBB
sequence is described in
INIT_1 (I>>)
INIT_2 (I>)
INIT_3 (Io>)
GUID-399C6D47-DCA5-491B-8C75-D0330C06676A V1 EN
Figure 806: Two shots with three initiation lines
Table 1400: Settings for configuration example 1
Setting name
Shot number CBB1
Init signals CBB1
First reclose time
Table continues on next page
Table 1400 as follows:
Shot 1
(CBB1)
0.3s
Setting value
1
7 (lines 1, 2 and 3 = 1+2+4 = 7)
0.3 s (an example)
1MRS759142 C
First reclose time
Second reclose time
Lockout
Shot 2
(CBB2) Lockout
15.0s
Lockout
Technical Manual
REX640