Date Code 20010307
Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements
3-57
SEL-351-0, -1, -2, -3, -4 Instruction Manual
7DEOH6DJ6ZHOO,QWHUUXSWLRQ(OHPHQWV6HWWLQJVPXVWILUVWVHW(66, <
6HWWLQJV
'HILQLWLRQ
5DQJH
'HIDXOW
9,17
3HUFHQWDJHRIPHPRU\YROWDJH
FRPSDUHGWRSKDVHQHXWUDO
YROWDJHWRDVVHUW,17HOHPHQWV
2))WRSHUFHQWRISRVLWLYH
VHTXHQFHUHIHUHQFHYROWDJH
9EDVH
96$*
3HUFHQWDJHRIPHPRU\YROWDJH
FRPSDUHGWRSKDVHQHXWUDO
YROWDJHWRDVVHUW6$*
HOHPHQWV
2))WRSHUFHQWRI
SRVLWLYHVHTXHQFHUHIHUHQFH
YROWDJH9EDVH
96:(//
3HUFHQWDJHRIPHPRU\YROWDJH
FRPSDUHGWRSKDVHQHXWUDO
YROWDJHWRDVVHUW6:HOHPHQWV
2))WRSHUFHQWRI
SRVLWLYHVHTXHQFHUHIHUHQFH
YROWDJH9EDVH9VHFRQGDU\
PD[LPXPXSSHUOLPLWIRU9
LQSXWV9IRU9LQSXWV
9,17FDQQRWEHVHWKLJKHUWKDQ96$*
Positive-Sequence Reference Voltage, Vbase
7KHUHOD\FRQYHUWVWKHSRVLWLYHVHTXHQFHYROWDJHTXDQWLW\_9_WRDUHIHUHQFHYROWDJH9EDVH
WKDWKDVDWKHUPDOGHPDQGFKDUDFWHULVWLFZLWKDWLPHFRQVWDQWRIVHFRQGV7KLVDOORZVWKH
9EDVHTXDQWLW\WRVORZO\WUDFNQRUPDOV\VWHPYROWDJHYDULDWLRQVWDSFKDQJHURSHUDWLRQVDQGORDG
HIIHFWVEXWQRWIROORZIDVWV\VWHPYROWDJHFKDQJHVXQOHVVWKHFKDQJHLVKHOGIRUVHYHUDO
VHFRQGV
,QDEDODQFHGWKUHHSKDVHV\VWHP_9_LVWKHDYHUDJHRIWKHWKUHHSKDVHYROWDJHV
7KHSUHVHQWYDOXHRI9EDVHFDQEHYLHZHGE\LVVXLQJWKH0(7;FRPPDQG6HH
0HW&RPPDQG
0HWHULQJ'DWD
LQ
6HFWLRQ6HULDO3RUW&RPPXQLFDWLRQVDQG&RPPDQGV
Vbase Thermal Element Block
7RSUHYHQWWKH9EDVHTXDQWLW\IURPWUDFNLQJGXULQJWUDQVLHQWYROWDJHFRQGLWLRQVWKHFDOFXODWLRQ
RIWKH9EDVHWKHUPDOHOHPHQWLVEORFNHGGXULQJWKHDVVHUWLRQRIDQ\RIWKH6$*S6:S,17SRU
)$8/75HOD\:RUGELWV:KHQEORFNHGWKH9EDVHTXDQWLW\ZLOOQRWFKDQJH7KLVDOORZVWKH
6$*6:(//DQG,17HOHPHQWVYROWDJHFRPSDULVRQVWREHPDGHZLWKWKHUHIHUHQFH9EDVH
ORFNHGDWD³KHDOWK\´V\VWHPYROWDJHOHYHO2QFHWKHGLVWXUEDQFHLVRYHUDQGDOORIWKH6$*S
6:S,17SDQG)$8/75HOD\:RUGELWVGHDVVHUWWKHWKHUPDOHOHPHQWIRU9EDVHLVXQEORFNHG
)LJXUHVKRZVDQH[DPSOHRIKRZ9EDVHWUDFNLQJLVVXVSHQGHGGXULQJDYROWDJHGLVWXUEDQFH
7KHH[DPSOHYROWDJHGLVWXUEDQFHLVWKHUHVXOWRIDQRYHUORDGFRQGLWLRQWKUHHSKDVHVDJ
IROORZHGE\DVRXUFHVLGHEUHDNHURSHUDWLRQWKUHHSKDVHLQWHUUXSWLRQ7RLOOXVWUDWHWKHG\QDPLF
QDWXUHRIWKH966,WKUHVKROGVWKH,QWHUUXSW6DJDQG6ZHOOSLFNXSOHYHOVDUHDOVRSORWWHGXVLQJ
WKHIDFWRU\GHIDXOWVHWWLQJVIRU9,1796$*DQG96:(//)RUDWKUHHSKDVHGLVWXUEDQFH9
KDVWKHVDPHPDJQLWXGHDV9D9EDQG9FDVVKRZQ6LQJOHSKDVHGLVWXUEDQFHVDUHKDQGOHGLQ
DVLPLODUIDVKLRQH[FHSWWKDWWKHSKDVHVDQG9ZLOOKDYHGLIIHUHQWYROWDJHPDJQLWXGHV
7KHXVHRID96$*VHWWLQJKLJKHUWKDQSHUFHQWDWWKHVDPHWLPHDVD96:(//VHWWLQJORZHU
WKDQSHUFHQWVKRXOGEHFDUHIXOO\FRQVLGHUHG0RYLQJWKHVHWKUHVKROGVWRRFORVHWRJHWKHU
Содержание SEL-351-0
Страница 14: ......
Страница 16: ......
Страница 18: ......
Страница 142: ......
Страница 182: ......
Страница 198: ...5 16 Trip and Target Logic Date Code 20010307 SEL 351 0 1 2 3 4 Instruction Manual LJXUH 3277 RJLF ...
Страница 203: ...Date Code 20010307 Trip and Target Logic 5 21 SEL 351 0 1 2 3 4 Instruction Manual LJXUH 8 RJLF ...
Страница 440: ......
Страница 446: ......
Страница 460: ......
Страница 506: ......
Страница 516: ......
Страница 536: ......
Страница 538: ......
Страница 552: ......
Страница 570: ......
Страница 600: ......
Страница 608: ......