ABB RED650 - Page 320

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 146: 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 147: Open bays
Section 12 1MRK 505 394-UEN A
Control
314 Line differential protection RED650 2.2 IEC
Technical manual