5-6
Applications
Date Code 20010215
SEL-321-5 Instruction Manual
7KH%UHDNHURYHUUHDFKLVHTXDOWRWKH=RQHVHWWLQJPLQXVWKHOLQHLPSHGDQFH
W
W
SULPDU\
=RQH5HDFK
W
SULPDU\
µ
W
SULPDU\
µ
7KH=RQHTXDGULODWHUDOHOHPHQWVHWWLQJLVEDVHGXSRQWKHVDPHUHTXLUHPHQWHVWDEOLVKHGIRUWKH
=RQHPKRHOHPHQWV7KHUHDFWLYHUHDFKLVVHWWKHVDPHDVWKHPKRGLVWDQFHVHWWLQJ7KH
UHVLVWLYHUHDFKGHWHUPLQHVVHQVLWLYLW\IRUKLJKUHVLVWDQFHIDXOWVRQDUDGLDOEDVLV7KH=RQH
UHVLVWLYHUHDFKPXVWEHVHWJUHDWHUWKDQWKH=RQHRYHUUHDFKIURPWKHUHPRWHHQGLQWKLVFDVH
%UHDNHU$VVXPLQJWKHVDPHFULWHULDIRUWKHUHOD\VDW%UHDNHUDFRQVHUYDWLYHVHWWLQJLVWRVHW
WKH=RQHUHVLVWLYHUHDFKDWRIWKHUHPRWH=RQHVHWWLQJ)RUWKLVH[DPSOHWKH=RQH
UHVLVWLYHUHDFKLVVHWIRURIRKPVSULPDU\RURKPVSULPDU\
Phase Distance Overcurrent Supervision Setting Criteria
7KH33HOHPHQWVSURYLGHIDXOWGHWHFWRUVXSHUYLVLRQRIWKHSKDVHGLVWDQFHHOHPHQWVDQGPXVW
SLFNXSIRUDOOIDXOWFRQGLWLRQVZKHUHDSKDVHGLVWDQFHHOHPHQWLVH[SHFWHGWRRSHUDWH(DFK
SKDVHGLVWDQFHHOHPHQWLVVXSHUYLVHGE\LQGHSHQGHQWIDXOWGHWHFWRUV
7KHLGHDOVHWWLQJIRUWKH33HOHPHQWLVDERYHORDGEXWEHORZPLQLPXPIDXOWGXW\IRUWKHPRVW
UHPRWHWKUHHSKDVHRUSKDVHWRSKDVHIDXOWWKDWWKHGLVWDQFHHOHPHQW]RQHPXVWGHWHFW$OWKRXJK
LWLVQRWLGHDO\RXFDQVHW33EHORZORDGWRSHUPLWGLVWDQFHHOHPHQWRSHUDWLRQIRUHQGRIOLQH
IDXOWVZLWKPDJQLWXGHVEHORZORDG
7KH33HOHPHQWVDUHVHWEDVHGXSRQWKHSKDVHWRSKDVHFXUUHQWIRUERWKWKUHHSKDVHDQGSKDVH
WRSKDVHIDXOWV)RUWKUHHSKDVHIDXOWVWKHSKDVHFXUUHQWPDJQLWXGHPXVWEHPXOWLSOLHGE\WKH
VTXDUHURRWRIWKUHHWRGHWHUPLQHWKHSKDVHWRSKDVHFXUUHQWPDJQLWXGH3KDVHWRSKDVHFXUUHQWV
IRUSKDVHWRSKDVHIDXOWVFDQEHGHULYHGGLUHFWO\IURPDIDXOWVWXG\,QHLWKHUFDVHWKHORZHVW
FXUUHQWPDJQLWXGHPXVWEHXVHGIRUWKHIDXOWGHWHFWRU
Zone 1 Setting
)RUWKHUHOD\DW%UHDNHUWKHJRYHUQLQJIDXOWFRQGLWLRQIRUWKH=RQHHOHPHQWLVDSKDVHWR
SKDVHIDXOWDW%XV&ZLWK/LQHRUUHPRYHGIURPVHUYLFH7KHIDXOWVWXG\VKRZVWKDWWKH
ORZHVWSKDVHWRSKDVHIDXOWFXUUHQWHTXDOV$SULPDU\IRUWKLVIDXOW7RHQVXUHWKDWWKH33
HOHPHQWSLFNVXSIRUWKHFDOFXODWHGIDXOWFXUUHQWVHOHFWVRPHFXUUHQWYDOXHEHORZ$,QWKLV
H[DPSOHWKHYDOXHVHOHFWHGIRUWKH33VHWWLQJLV$DSSUR[LPDWHO\RIWKHPLQLPXP
IDXOWFXUUHQW
Zone 2 Setting
7KHJRYHUQLQJIDXOWFRQGLWLRQIRUWKH=RQHHOHPHQWVLVDSKDVHWRSKDVHIDXOWDW%XV'ZLWK
/LQHRUUHPRYHGIURPVHUYLFH7KHIDXOWVWXG\VKRZVWKDWWKHORZHVWSKDVHWRSKDVHIDXOW
FXUUHQWHTXDOV$SULPDU\IRUWKLVIDXOW7RHQVXUHWKDWWKH33HOHPHQWSLFNVXSIRUWKH
FDOFXODWHGIDXOWFXUUHQWVHOHFWVRPHFXUUHQWYDOXHEHORZ$,QWKLVH[DPSOHWKHYDOXH
VHOHFWHGIRUWKH33VHWWLQJLV$DSSUR[LPDWHO\RIWKHPLQLPXPIDXOWFXUUHQW
Содержание SEL-321-5
Страница 6: ......
Страница 8: ......
Страница 16: ......
Страница 70: ...2 50 Specifications Date Code 20010215 SEL 321 5 Instruction Manual LJXUH RJLF 6 PERO HJHQG ...
Страница 78: ...2 58 Specifications Date Code 20010215 SEL 321 5 Instruction Manual LJXUH 6XSHUYLVRU 3KDVH 2YHUFXUUHQW OHPHQWV ...
Страница 79: ...Date Code 20010215 Specifications 2 59 SEL 321 5 Instruction Manual LJXUH 2XW RI 6WHS LVWDQFH OHPHQW RJLF ...
Страница 80: ...2 60 Specifications Date Code 20010215 SEL 321 5 Instruction Manual LJXUH 2XW RI 6WHS ORFN DQG 7ULS RJLF ...
Страница 81: ...Date Code 20010215 Specifications 2 61 SEL 321 5 Instruction Manual LJXUH RDG QFURDFKPHQW RJLF ...
Страница 82: ...2 62 Specifications Date Code 20010215 SEL 321 5 Instruction Manual LJXUH LUHFWLRQDO OHPHQW RJLF ...
Страница 83: ...Date Code 20010215 Specifications 2 63 SEL 321 5 Instruction Manual LJXUH 3KDVH 7LPH 2YHUFXUUHQW OHPHQW RJLF ...
Страница 88: ...2 68 Specifications Date Code 20010215 SEL 321 5 Instruction Manual LJXUH 9ROWDJH OHPHQW RJLF ...
Страница 90: ...2 70 Specifications Date Code 20010215 SEL 321 5 Instruction Manual LJXUH 3277 3HUPLVVLYH 7ULS H LQJ RJLF ...
Страница 100: ...2 80 Specifications Date Code 20010215 SEL 321 5 Instruction Manual LJXUH 7ULS 8QODWFK RJLF IRU 3KDVH ZKHQ ...
Страница 106: ......
Страница 152: ......
Страница 158: ......
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 318: ......
Страница 322: ......
Страница 326: ......
Страница 328: ......
Страница 330: ......
Страница 334: ......
Страница 336: ......
Страница 338: ......
Страница 344: ......