Schweitzer Engineering Laboratories SEL-321-2, Instruction Manual

Page: 200 / 354

5-30 Applications Date Code 20010215
SEL-321-2 Instruction Manual
S
ETTINGS
S
HEET Page 4
OF
10
FOR THE
SEL-321-2 R
ELAY Date
(5A N
OMINAL
R
ELAY
)
Phase Time-Overcurrent Element Settings
3KDVH7LPH2YHUFXUUHQW(OHPHQW(QDEOH<1 (3 1
3LFNXS$VHF 33
&XUYH)DPLO\8888&&&& 3&
7LPH'LDO86,(& 37'
5HVHW'HOD\<1 356
7RUTXH&RQWURO =/,1=/287031 37&
Residual Time-Overcurrent Element Settings
5HVLGXDO7LPH2YHUFXUUHQW(OHPHQW(QDEOH<16 (1 <
3LFNXS$VHF, 13
&XUYH)DPLO\8888&&&& 1& 8
7LPH'LDO86,(& 17'
5HVHW'HOD\<1 156 <
7RUTXH&RQWURO4)45=*1 17& 4)
Residual Overcurrent Element Settings
(QDEOH1XPEHURI5HVLGXDO,QVWDQWDQHRXV2YHUFXUUHQW/HYHOV1 (1 1
5HVLGXDO,QVW2YHUFXUUHQW3LFNXS /HYHO$VHF, 1
/HYHO$VHF, 1
/HYHO$VHF, 1
/HYHO$VHF, 1
Negative-Sequence Time Overcurrent Element Settings
1HJDWLYH6HTXHQFH7LPH2YHUFXUUHQW(QDEOH<16 (4 <
3LFNXS$VHF, 43
&XUYH)DPLO\8888&&&& 4& 8
7LPH'LDO86,(& 47'
5HVHW'HOD\<1 456 1
7RUTXH&RQWURO4)4503=*1 47& 4)
Negative-Sequence Overcurrent Element Settings
(QDEOH1XPEHURI1HJ6HTXHQFH,QVW2YHUFXUUHQW/HYHOV1 (4 1
1HJ6HT,QVW2YHUFXUUHQW3LFNXS /HYHO$VHF, 4
/HYHO$VHF, 4
/HYHO$VHF, 4
/HYHO$VHF, 4