Siemens Siprotec 7SD600, Системное руководство

Страница: 59 / 174

1XPHULFDO /LQH 'LIIHUHQWLDO 3URWHFWLRQ 6,3527(& 6' 9 s 6\VWHP 0DQXDO 2UGHU QR (*&$
3UHSDUDWLRQ ,QVWUXFWLRQV
6LHPHQV $* ¼ 2FWREHU
&RQQHFWLRQ RI WKH SLORW ZLUHV
,Q FDVH RI HTXDO FXUUHQW WUDQVIRUPHU SRODULW\ DW ERWK
OLQH HQGV WKH SLORW ZLUHV DUH FRQQHFWHG FURVVHG RYHU
WR WKH WHUPLQDOV VHH ILJXUH ,Q FDVH RI XQHTXDO
FXUUHQW WUDQVIRUPHU SRODULW\ DW ERWK OLQH HQGV LW LV QH
FHVVDU\ WR FRQQHFW WKH SLORW ZLUHV 7KDW PHDQV WR
FRQQHFW WKH WHUPLQDOV ZLWK HTXDO WHUPLQDO QXPEHU DW
ERWK HQGV
'HPDQGV RQ WKH FXUUHQW WUDQVIRUPHU
9HU\ ODUJH VKRUWFLUFXLW FXUUHQWV IORZLQJ WKURXJK WKH
SURWHFWHG ]RQH LQ SDUWLFXODU PD\ FDXVH ODUJHU WUDQVIRU
PDWLRQ HUURUV GXH WR WKH FXUUHQW WUDQVIRUPHUV VDWXUD
WLQJ 'XH WR WKH VWDELOL]DWLRQ RI WKH GLIIHUHQWLDO SURWHF
WLRQ GLIIHUHQFHV
LQ WKH WUDQVIRUPDWLRQ E\ WKH FXUUHQW WUDQVIRUPHUV FDQ
WR D ODUJH GHJUHH EH WROHUDWHG E\ WKH GLIIHUHQWLDO FXU
UHQW PHDVXUHPHQW 1HYHUWKHOHVV WKH FXUUHQW WUDQV
IRUPHUV PXVW KDYH D PLQLPXP GHJUHH RI FRQIRUPLW\
DW WKH ODUJHVW VKRUWFLUFXLW DULVLQJ LQ WKH DSSOLFDWLRQ
,I WKH GLIIHUHQWLDO SURWHFWLRQ LV FRQQHFWHG WR OLQHDUL]HG
FXUUHQW WUDQVIRUPHUV DW ERWK OLQH HQGV LW LV HVVHQWLDO
WR HQVXUH WKDW WKH RYHUDOO FRQQHFWHG ORDG LV QRW JUHD
WHU WKDQ WKH UDWHG EXUGHQ RI WKH WUDQVIRUPHU ,I D FOR
VHG LURQ FRUH WUDQVIRUPHU LV FRQQHFWHG LW LV QHFHV
VDU\ WR GHWHUPLQH WKH RSHUDWLRQDO DFFXUDF\ OLPLW
IDFWRUV LQ RUGHU WR FKHFN WKDW WKHUH LV VXIILFLHQW FRQ
IRUPLW\ DW WKH KLJKHVW IDXOW FXUUHQWV 7KH YDOXHV VSHFL
ILHG RQ WKH UDWLQJ SODWH IRU WKH DFFXUDF\ OLPLW IDFWRU Q
DUH PLQLPXP YDOXHV
7KH RSHUDWLRQDO DFFXUDF\ OLPLW IDFWRU
Q n FDQ EH FDOFXOD
WHG IURP WKH GDWD RI WKH FXUUHQW WUDQVIRUPHU DQG WKH
FRQQHFWHG ORDG XVLQJ WKH IROORZLQJ HTXDWLRQ
Q “ Q ô
3
1
3
(
3
:
3
(
ZKHUHE\
Q n 2SHUDWLRQDO DFFXUDF\ OLPLW IDFWRU
Q $FFXUDF\ OLPLWLQJ IDFWRU
3
1
5DWHG EXUGHQ RI WKH FXUUHQW WUDQVIRUPHU
3
(
,QWHUQDO EXUGHQ RI WKH FXUUHQW WUDQVIRUPHU
3
:
&RQQHFWHG EXUGHQ
7KH LQWHUQDO EXUGHQ 3
(
LV QRW VSHFLILHG RQ WKH UDWLQJ
SODWH RI WKH FXUUHQW WUDQVIRUPHU ,W FDQ EH GHWHUPLQHG
E\ PHDVXULQJ WKH UHVLVWDQFH RI WKH VHFRQGDU\ ZLQ
GLQJ 7KH LQWHUQDO EXUGHQ FDQQRW EH FDOFXODWHG IURP
WKH UDWHG EXUGHQ &XUUHQW WUDQVIRUPHUV ZLWK UDWHG
EXUGHQ HTXDO WR RU JUHDWHU WKDQ WKH FRQQHFWHG EXUGHQ
DQG ZLWK D VXIILFLHQWO\ ODUJH DFFXUDF\ OLPLWLQJ IDFWRU
VKRXOG EH XVHG IRU WKH 6'
,PSOHPHQWDWLRQ RI VHWV RI WUDQVIRUPHUV ZLWK ZLGHO\
YDU\LQJ OLPLWLQJ IDFWRUV LV QRW SHUPLWWHG HJ D OLQHDUL
]HG WUDQVIRUPHU DW RQH HQG RI D OLQH DQG D FORVHG LURQ
FRUH WUDQVIRUPHU DW WKH RWKHU HQG
7KH OLQH GLIIHUHQWLDO SURWHFWLRQ 6' PDNHV WKH IRO
ORZLQJ GHPDQGV RQ WKH FXUUHQW WUDQVIRUPHU
7KH FXUUHQW WUDQVIRUPHUV PD\ QRW VDWXUDWH GXH WR
WKH PD[LPXP VWHDG\VWDWH WKURXJK IDXOW FXUUHQW
,
NG PD[
0D[LPXP VWHDG\VWDWH WKURXJK IDXOW FXU
UHQW
,
1SU
3ULPDU\ UDWHG FXUUHQW RI WKH FXUUHQW WUDQV
IRUPHU
$Q\ GHYLDWLRQ RI FXUUHQW WUDQVIRUPHU GDWD RSHUD
WLRQDO DFFXUDF\ OLPLW IDFWRUV DW ERWK HQGV PXVW EH
ZLWKLQ WKH IROORZLQJ UDQJH DVVXPLQJ WKH VDPH
SULPDU\ FXUUHQWV
$ Q n Q n $
)RU GHWDLOHG GHWHUPLQDWLRQ RI FXUUHQW WUDQVIRUPHU UH
TXLUHPHQWV VHH DSSHQGL[ $
'HPDQGV RQ WKH SLORW ZLUHV
7KH PHDVXULQJ SULQFLSOH RI WKH 6' UHTXLUHV D
V\PPHWULFDO SLORW ZLUH SDLU EHWZHHQ WKH WZR VWDWLRQV
7KH UDWHG YROWDJH PXVW FRUUHVSRQG WR WKH YROWDJHV
WKDW PD\ EH LQGXFHG E\ IDXOWV ,W PXVW EH DW OHDVW
9 7KH V\PPHWU\ RI WKH SLORW ZLUHV PXVW FRPSO\ ZLWK
3RVW 2IILFH UHTXLUHPHQWV IRU WHOHSKRQH RSHUDWLRQ
V\PPHWULFDO ZLUHZLUH DW +]
3LORW ZLUHV DV FDEOH FRQQHFWLRQV PXVW DOZD\V EH
FKHFNHG IRU KLJKYROWDJH LQWHUIHUHQFH 7KH ZLUHV RI
WKH SURWHFWLRQ FDEOH PXVW EH DEOH WR FRSH QRW RQO\
ZLWK WKH ORDG RI WKH FXUUHQWV WR EH WUDQVPLWWHG DQG
WKHLU IDXOWLQGXFHG YROWDJH SHDNV EXW DOVR ZLWK DQ\
H[WHUQDO VWUHVVHV
Q
“
,
NG PD[
,
1SU