3-16
Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements
Date Code 20010112
SEL-351S Instruction Manual
)LJXUH/HYHOV7KURXJK1HJDWLYH6HTXHQFH,QVWDQWDQHRXV2YHUFXUUHQW(OHPHQWV
Accuracy
3LFNXS
$VHFRQGDU\DQG
RIVHWWLQJ$QRPLQDOSKDVHFXUUHQWLQSXWV,$,%,&
$VHFRQGDU\DQG
RIVHWWLQJ$QRPLQDOSKDVHFXUUHQWLQSXWV,$,%,&
7LPHU
F\FOHVDQG
RIVHWWLQJ
7UDQVLHQW2YHUUHDFK
RIVHWWLQJ
Pickup and Reset Time Curves
T
IME
-O
VERCURRENT
E
LEMENTS
Phase Time-Overcurrent Elements
7ZRSKDVHWLPHRYHUFXUUHQWHOHPHQWV37DQG37DUHDYDLODEOH7KHHOHPHQWVDUH
HQDEOHGZLWKWKH(3HQDEOHVHWWLQJDVIROORZV
7DEOH$YDLODEOH3KDVH7LPH2YHUFXUUHQW(OHPHQWV
7LPH2YHUFXUUHQW
(OHPHQW
(QDEOHGZLWK
6HWWLQJ
2SHUDWLQJ&XUUHQW
6HH)LJXUH
37
37
(3 RU
(3
,
3
PD[LPXPRI$%DQG
&SKDVHFXUUHQWV
7KHIROORZLQJLVDQH[DPSOHRI37HOHPHQWRSHUDWLRQ37LVVLPLODU
Settings Ranges
%HVLGHVWKHVHWWLQJVLQYROYHGZLWKWKH7RUTXH&RQWURO6ZLWFKRSHUDWLRQLQ)LJXUHDQG
)LJXUHWKH37DQG37SKDVHWLPHRYHUFXUUHQWHOHPHQWVKDYHWKHIROORZLQJVHWWLQJV
Summary of Contents for SEL-351S
Page 10: ......
Page 12: ......
Page 32: ......
Page 132: ......
Page 170: ......
Page 174: ......
Page 192: ...5 18 Trip and Target Logic Date Code 20010112 SEL 351S Instruction Manual LJXUH 3277 RJLF ...
Page 197: ...Date Code 20010112 Trip and Target Logic 5 23 SEL 351S Instruction Manual LJXUH 8 RJLF ...
Page 248: ......
Page 330: ......
Page 378: ......
Page 406: ......
Page 486: ......
Page 528: ......
Page 538: ......
Page 546: ......
Page 552: ......
Page 554: ......
Page 568: ......
Page 576: ......
Page 584: ......
Page 618: ......
Page 626: ......