Siemens SIPROTEC 7SA511, Инструкция по эксплуатации

Страница: 175 / 326

2SHUDWLQJ LQVWUXFWLRQV 6$
9
&*&
&RQVLGHULQJ WKH FDOFXODWLRQ H[DPSOH LQ 6HFWLRQ
ZH VHOHFW DSSUR[LPDWHO\ WLPHV WKH YDOXH RI
WKH WKLUG ]RQH $ FDOFXODWLRQ XVLQJ SULPDU\ YDOXHV LV
VXSHUIOXRXV LQ WKLV FRQVLGHUDWLRQ
;$
VHF
8
)RU WKH UHYHUVH GLUHFWLRQ GR QRW IRUJHW WKDW ZLWK
RYHUUHDFK WHOHSURWHFWLRQ SURFHGXUHV D UHYHUVH IDXOW
PXVW GHILQLWHO\ EH UHFRJQL]HG LI LW OLHV ZLWKLQ WKH RYHU
UHDFK ]RQH RI WKH UHOD\ DW WKH RWKHU OLQH HQG 1RUPDO
VHWWLQJ YDOXHV DUH DSSUR[LPDWHO\ KDOI WKRVH RI WKH
UHDFK LQ WKH IRUZDUGV GLUHFWLRQ
;$
VHF
8
)RU WKH UHVLVWDQFH VHWWLQJ WKHUH LV D ORZHU DQG DQ XS
SHU OLPLW 7KH VHWWLQJ 5$ PXVW VWLOO UHFRJQL]H DUF
IDXOWV ZLWKLQ LWV WROHUDQFH UDQJH 5RXJKO\ RU
WLPHV WKH YDOXH RI WKH WKLUG ]RQH DSSOLHV KHUH DOVR
$W WKH XSSHU HQG WKH VHWWLQJ YDOXH 5$ VKRXOG QRW H[
FHHG WLPHV WKH VHWWLQJ IRU ;$
)RU ORQJ RYHUKHDG OLQHV LW PXVW EH FRQVLGHUHG WKDW
WKH VHWWLQJ LQ WKH UHVLVWLYH GLUHFWLRQ PXVW KDYH D VXIIL
FLHQW VDIHW\ PDUJLQ IURP WKH PLQLPXP ORDG LPSHG
DQFH 7KH PLQLPXP ORDG LPSHGDQFH RFFXUV DW PD[L
PXP ORDG FXUUHQW DQG PLQLPXP RSHUDWLQJ YROWDJH
,Q WKLV H[DPSOH WKHUHIRUH
5
/SULP
8
PLQ
¯ ô
,
/PD[
ô N9
¯ ô
$
8
RU VHFRQGDU\
5
/VHF
1
FW
1
YW
ô 5
/SULP
ô
,
1
$


ô 8 ô
$
$
8
$ VDIHW\ PDUJLQ RI DW OHDVW VKRXOG EH PDLQ
WDLQHG ZLWK UHVSHFW WR WKLV YDOXH
5
PD[
8 8
:KHQ WKH SRZHU VZLQJ EORFNLQJ IXQFWLRQ LV XVHG
WKLV YDOXH PXVW QRW EH H[FHHGHG E\ WKH SRZHU VZLQJ
SRO\JRQ HLWKHU VR WKH SLFNXS YDOXH LQ WKH 5GLUHF
WLRQ PXVW EH VHW FRQVLGHUDEO\ VPDOOHU LQ RUGHU WR RE
WDLQ DGHTXDWH PHDVXULQJ FOHDUDQFH EHWZHHQ WKH
SRZHU VZLQJ SRO\JRQ DQG WKH IDXOW GHWHFWLRQ SRO\
JRQ UHIHU WR 6HFWLRQ
,Q RUGHU WR JXDUDQWHH XQHTXLYRFDO FULWHULD IRU GLV
FULPLQDWLRQ EHWZHHQ ORDG RSHUDWLRQ DQG D VKRUWFLU
FXLW LQ WKH FDVH RI ORQJ KLJKORDGHG OLQHV LQ RWK
HU ZRUGV LI DERYH SUHFRQGLWLRQV FDQQRW EH IXOILOOHG
WKH FKDUDFWHULVWLF FDQ EH VHW GHSHQGHQW RQ WKH
SKDVH DQJOH WKH 5 LQWHUVHFWLRQ 5$ DGGUHVV
WKHQ DSSOLHV WR SKDVH DQJOHV DERYH WKH YDOXH
$1*/( 3+,$ DGGUHVV WKH 5 LQWHUVHFWLRQ 5$
DGGUHVV WR SKDVH DQJOHV EHORZ $1*/(
3+,$ 7KH VDIHW\ PDUJLQ IURP WKH PLQLPXP ORDG LP
SHGDQFH LV QHFHVVDU\ RQO\ IRU 5$ 7KH DQJOH
$1*/( 3+,$ PXVW EH VHW KLJKHU WKDQ WKH PD[LPXP
SKDVH DQJOH GXULQJ ORDG WUDQVSRUW )XQGDPHQWDOO\ LW
LV PRVW LPSRUWDQW WKDW WKH IDXOW GHWHFWLRQ FKDUDFWHU
LVWLF QHYHU H[FHHGV WKH ORDG LPSHGDQFH GXULQJ RSHU
DWLRQ
)RU HDUWK IDXOWV D VHSDUDWH UHVLVWDQFH WROHUDQFH DQG
D VHSDUDWH OLPLW DQJOH $1* 3+,$( FDQ EH VHW DG
GUHVV /RDG LPSHGDQFH FDQ EH LJQRUHG IRU WKH
SKDVHHDUWK IDXOWV XQOHVV WKH SLFNXS YDOXH RI WKH
HDUWK FXUUHQW GHWHFWLRQ DGGUHVV FRXOG EH H[
FHHGHG E\ ]HUR VHTXHQFH FXUUHQWV FDXVHG E\
DV\PPHWULHV LQ FXUUHQWV
7KH SRZHU VZLQJ GHWHFWLRQ XVHV SKDVHWRSKDVH
TXDQWLWLHV 7KXV VHWWLQJ RI WKH UVHFWLRQ IRU SKDVH
HDUWK PHDVXUHPHQW DUH LUUHOHYDQW
0LQLPXP FXUUHQW IRU LPSHGDQFH GHWHFWLRQ
6PDOOHVW VHWWLQJ YDOXH
/DUJHVW VHWWLQJ YDOXH
, S K !
, , Q
,
1
,
1
; $
8
5HDFWDQFH YDOXH UHDFK IRUZDUGV
6PDOOHVW VHWWLQJ YDOXH
/DUJHVW VHWWLQJ YDOXH
8
8