ABB REL650 - Page 352

fBus and fLine ±5 Hz
AutoEnerg
UHighBusEnerg
ULowLineEnerg
AND
ULowBusEnerg
UHighLineEnerg
AND
OR
AND OR
t
tAutoEnerg
AND
AND
UMaxEnerg
AUTOENOK
TSTENOK
selectedFuseOK
OR
BLOCK
BLKENERG
TSTENERG
DLLB
DBLL
IEC14000030-1-en.vsd
BOTH
IEC14000030 V1 EN-US
Figure 170: Automatic energizing
ManEnerg
CBConfig
AND
AND
AND
AND
AND
AND
B1QOPEN
B1QCLD
B2QOPEN
LN1QOPEN
LN2QOPEN
B2QCLD
OR
OR
OR
OR
BLKENERG
BLOCK
AND
AND
AND
1½ bus CB
1½ bus alt. CB
Tie CB
OR
AND
manEnergOpenBays
IEC14000032-1-en.vsd
IEC14000032 V1 EN-US
Figure 171: Open bays
Section 11 1MRK 506 382-UEN A
Control
346 Line distance protection REL650 2.2 IEC
Technical manual