Date Code 20010215
Maintenance and Testing
7-37
SEL-321-2 Instruction Manual
(
)
( )
$
,
$
FRV
,
$
FRV
,
7(67
7(67
7(67
=
=
-
=
(TXDWLRQ
1RWH
$V\RXSHUIRUPWKLVWHVWRWKHUSURWHFWLRQHOHPHQWVPD\DVVHUWFDXVLQJWKHUHOD\WR
FORVHRWKHURXWSXWFRQWDFWVDQGDVVHUWUHOD\WDUJHWV7KLVLVQRUPDODQGLVQRWDFDXVH
IRUFRQFHUQ
Ground Mho Distance Elements
7KH6(/5HOD\LQFOXGHVXSWRIRXU]RQHVRIPKRJURXQGGLVWDQFHSURWHFWLRQ(QDEOHWKH
QXPEHURIJURXQGGLVWDQFH]RQHV\RXZRXOGOLNHWRDSSO\XVLQJWKH*0+2=VHWWLQJ<RXPD\
VHWWKHJURXQGGLVWDQFHHOHPHQWVWRUHDFKLQWKHIRUZDUGRUUHYHUVHGLUHFWLRQ7KHUHDFKDQG
GLUHFWLRQRIHDFK]RQHLVLQGHSHQGHQWIURPWKHRWKHU]RQHV:KHQD]RQHRISKDVHGLVWDQFHSUR
WHFWLRQLVVHWWRUHDFKLQRQHGLUHFWLRQWKHJURXQGGLVWDQFHHOHPHQWVDVVRFLDWHGZLWKWKDW]RQH
PXVWEHVHWWRUHDFKLQWKHVDPHGLUHFWLRQ5HDFKLVVHWLQVHFRQGDU\RKPV7KHDQJOHRIPD[L
PXPUHDFKRIWKHJURXQGGLVWDQFHHOHPHQWVLVGHILQHGE\WKH=$1*VHWWLQJDQGWKH]HUR
VHTXHQFHFXUUHQWFRPSHQVDWLRQIDFWRUIRUWKH]RQHXQGHUWHVW
(DFK]RQHKDVDQLQVWDQWDQHRXVLQGLFDWLRQ)RUH[DPSOHWKH=*HOHPHQWDVVHUWVZLWKRXWLQWHQ
WLRQDOWLPHGHOD\IRU$*%*DQG&*IDXOWVZLWKLQWKH=RQHPKRRUTXDGULODWHUDOFKDUDF
WHULVWLF=RQHVDQGDOVRLQFOXGHWLPHGHOD\HGLQGLFDWLRQWKURXJKHOHPHQWV=*7=*7
DQG=*7,QDGGLWLRQHDFKLQGLYLGXDOSKDVHJURXQGGLVWDQFHHOHPHQWSURYLGHVDQLQVWDQWDQHRXV
LQGLFDWLRQIRUHDFK]RQH)RUH[DPSOHWKH0$*0$*0$*DQG0$*HOHPHQWVSURYLGH
LQVWDQWDQHRXVLQGLFDWLRQRI$*JURXQGIDXOWVLQHDFK]RQH
)RUJHQHUDOWHVWLQJXVHWKHLQVWDQWDQHRXVDQGWLPHGHOD\HGHOHPHQWVWKDWUHVSRQGWRDQ\SKDVH
JURXQGIDXOWZLWKLQDJLYHQ]RQHVXFKDV=*=*HWF<RXFDQUHFRUGPRUHGHWDLOHGDQGVSH
FLILFWHVWUHVXOWVXVLQJWKHLQVWDQWDQHRXVHOHPHQWDVVRFLDWHGZLWKWKHIDXOWHGSKDVHDQG]RQH
XQGHUWHVW
7KHUHDUHDQXPEHURIVXSHUYLVRU\FRQGLWLRQVWKDWPXVWEHIXOILOOHGEHIRUHWKHUHOD\DOORZVD
JURXQGGLVWDQFHHOHPHQWWRSLFNXS7KHVHVXSHUYLVRU\FRQGLWLRQVDUHGHVFULEHGEHORZ
Ground Distance Element Supervisory Conditions
1RWH
8QOHVVRWKHUZLVHLQGLFDWHGDOORIWKHVXSHUYLVRU\FRQGLWLRQVOLVWHGEHORZDSSO\WRWKH
JURXQGPKRDQGJURXQGTXDGULODWHUDOGLVWDQFHHOHPHQWV
Phase and Ground Nondirectional Overcurrent Elements, 50Ln and 50Gn
(DFK]RQHJURXQGGLVWDQFHHOHPHQWLVVXSHUYLVHGE\WZRQRQGLUHFWLRQDORYHUFXUUHQWHOHPHQWV
*QDQG/QZKHUHQLQGLFDWHVWKH]RQHDVVRFLDWHGZLWKWKHRYHUFXUUHQWHOHPHQW)RUH[DP
SOHWKHUHOD\PD\DVVHUWWKH=RQH$JURXQGGLVWDQFHHOHPHQWRQO\LIWKH$SKDVHFXUUHQWLV
JUHDWHUWKDQWKH/VHWWLQJDQGWKHUHVLGXDOFXUUHQWLVJUHDWHUWKDQWKH*VHWWLQJ
1HJDWLYH6HTXHQFH'LUHFWLRQDO(OHPHQW
7KHJURXQGGLVWDQFHSURWHFWLRQIXQFWLRQLVVXSHUYLVHGE\WKHQHJDWLYHVHTXHQFHGLUHFWLRQDO
Содержание SEL-321-2
Страница 4: ......
Страница 8: ......
Страница 10: ......
Страница 18: ......
Страница 71: ...Date Code 20010215 Specifications 2 49 SEL 321 2 Instruction Manual LJXUH RJLF 6 PERO HJHQG ...
Страница 77: ...Date Code 20010215 Specifications 2 55 SEL 321 2 Instruction Manual LJXUH 6XSHUYLVRU 3KDVH 2YHUFXUUHQW OHPHQWV ...
Страница 78: ...2 56 Specifications Date Code 20010215 SEL 321 2 Instruction Manual LJXUH 2XW RI 6WHS LVWDQFH OHPHQW RJLF ...
Страница 79: ...Date Code 20010215 Specifications 2 57 SEL 321 2 Instruction Manual LJXUH 2XW RI 6WHS ORFN DQG 7ULS RJLF ...
Страница 80: ...2 58 Specifications Date Code 20010215 SEL 321 2 Instruction Manual LJXUH RDG QFURDFKPHQW RJLF ...
Страница 82: ...2 60 Specifications Date Code 20010215 SEL 321 2 Instruction Manual LJXUH 3KDVH 7LPH 2YHUFXUUHQW OHPHQW RJLF ...
Страница 87: ...Date Code 20010215 Specifications 2 65 SEL 321 2 Instruction Manual LJXUH 9ROWDJH OHPHQW RJLF ...
Страница 102: ......
Страница 156: ......
Страница 252: ......
Страница 253: ...SEL DIRECTION AND POLARITY CHECK FORM ...
Страница 254: ......
Страница 255: ...SEL DIRECTION AND POLARITY CHECK FORM ...
Страница 256: ......
Страница 260: ......
Страница 326: ......
Страница 328: ......
Страница 332: ......
Страница 336: ......