Date Code 20010307
Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements
3-61
SEL-351-0, -1, -2, -3, -4 Instruction Manual
Power Elements Logic Operation
B
B
B
B
_9
$
_
9VHF
_,
$
_
¼,
QRP
_9
$
_
9VHF
_,
$
_
¼,
QRP
B
F\FOH
DYHUDJH
3KDVH$
5HDFWLYH3RZHU
F\FOH
DYHUDJH
3KDVH$
5HDO3RZHU
6ZLWFKLQWKLV
SRVLWLRQLI
3:5Q7 :$776
:$776
PXOWLSO\E\
¼,
6ZLWFKLQWKLV
SRVLWLRQLI
3:5Q7
9$569$56
6ZLWFKLQWKLV
SRVLWLRQLI
3:5Q7
:$7769$56
6ZLWFKLQWKLV
SRVLWLRQLI
3:5Q7
:$7769$56
6LQJOHSKDVH9$VHF
6HWWLQJ
3:5Q3
3:5Q'
6XIILFLHQW
6LJQDO
5HOD\
:RUG
ELW
3:5$Q
Q RU
,
QRP
$VHFRU$VHF
5HSHDWIRU3KDVHV%DQG&
':*0
)LJXUH3RZHU(OHPHQWV/RJLF9$56([DPSOH6KRZQ