Date Code 20010112
Setting Negative-Sequence Overcurrent Elements
F-7
SEL-351S Instruction Manual
Ground Coordination Concerns
,IWKHGRZQVWUHDPSURWHFWLYHGHYLFHLQFOXGHVJURXQGRYHUFXUUHQWHOHPHQWVLQDGGLWLRQWRSKDVH
RYHUFXUUHQWHOHPHQWVWKHUHVKRXOGEHQRQHHGWRFKHFNWKHFRRUGLQDWLRQEHWZHHQWKHJURXQG
RYHUFXUUHQWHOHPHQWVDQGWKHXSVWUHDPQHJDWLYHVHTXHQFHRYHUFXUUHQWHOHPHQWV7KHGRZQVWUHDP
SKDVHRYHUFXUUHQWHOHPHQWZKHWKHULWRSHUDWHVIDVWHURUVORZHUWKDQLWVFRPSOHPHQWDU\JURXQG
RYHUFXUUHQWHOHPHQWZLOORSHUDWHIDVWHUWKDQWKHXSVWUHDPQHJDWLYHVHTXHQFHRYHUFXUUHQWHOHPHQW
IRUDOOIDXOWVLQFOXGLQJWKRVHWKDWLQYROYHJURXQG
O
THER
N
EGATIVE
-S
EQUENCE
O
VERCURRENT
E
LEMENT
R
EFERENCES
$)(OQHZHLKL(26FKZHLW]HU0:)HOWLV³1HJDWLYH6HTXHQFH2YHUFXUUHQW(OHPHQW
$SSOLFDWLRQDQG&RRUGLQDWLRQLQ'LVWULEXWLRQ3URWHFWLRQ´,(((7UDQVDFWLRQVRQ3RZHU'HOLYHU\
9ROXPH1XPEHU-XO\SS
7KLV,(((SDSHULVWKHVRXUFHRIWKHFRRUGLQDWLRQJXLGHOLQHVDQGH[DPSOHJLYHQLQWKLV
DSSHQGL[7KHSDSHUDOVRFRQWDLQVDQDO\VHVRIV\VWHPXQEDODQFHVDQGIDXOWVDQGWKH
QHJDWLYHVHTXHQFHFXUUHQWJHQHUDWHGE\VXFKFRQGLWLRQV
$)(OQHZHLKL³8VHIXO$SSOLFDWLRQVIRU1HJDWLYH6HTXHQFH2YHUFXUUHQW5HOD\LQJ´QG
$QQXDO:HVWHUQ3URWHFWLYH5HOD\&RQIHUHQFH6SRNDQH:DVKLQJWRQ2FWREHU
7KLVFRQIHUHQFHSDSHUJLYHVPDQ\JRRGDSSOLFDWLRQH[DPSOHVIRUQHJDWLYHVHTXHQFH
RYHUFXUUHQWHOHPHQWV7KHIRFXVLVRQWKHWUDQVPLVVLRQV\VWHPZKHUHQHJDWLYHVHTXHQFH
RYHUFXUUHQWHOHPHQWVSURYLGHEHWWHUVHQVLWLYLW\WKDQ]HURVHTXHQFHRYHUFXUUHQWHOHPHQWVLQ
GHWHFWLQJVRPHVLQJOHOLQHWRJURXQGIDXOWV
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: ......