Download Print this page

Siemens SIPROTEC 7SA511 Instruction Manual page 41

Numerical distance protection relay

Advertisement

6$
9
)DXOW GHWHFWLRQ 0HDVXUHG
PRGXOH
FXUUHQW
/
/
/
/
/
/
/
/
/

RQO\ IRU HDUWKHG V\VWHP VWDUSRLQW
7DEOH 
/LQH ORRSV DQG SKDVH DQQXQFLDWLRQV ZLWK VLQJOHSKDVH YROWDJH FRQWUROOHG
IDXOW GHWHFWLRQ SKDVHHDUWK
7KH VHQVLWLYLW\ LV SDUWLFXODUO\ KLJK LQ WKH FDVH RI
SKDVHSKDVH IDXOWV ZKHQ FRQWUROOLQJ ZLWK 8
7KLV FRQWURO LV DGYDQWDJHRXV ZLWK H[WHQGHG FRP
SHQVDWHG V\VWHPV EHFDXVH LWV SULQFLSOH H[FOXGHV
SLFNXS E\ VLQJOH HDUWK IDXOWV ,W LV DXWRPDWLFDOO\
DGDSWHG WR WKH H[LVWLQJ ORDG FRQGLWLRQV LQ WKH FDVH RI
WZRSKDVH DQG WKUHHSKDVH IDXOWV LH LW EHFRPHV
PRUH FXUUHQWVHQVLWLYH GXULQJ ORZORDG RSHUDWLRQ
WKH SLFNXS WKUHVKROG LV KLJKHU LQ WKH FDVH RI KLJK
)DXOW GHWHFWLRQ 0HDVXUHG
PRGXOH
FXUUHQW
/
/
/
7DEOH 
/LQH ORRSV DQG SKDVH DQQXQFLDWLRQV ZLWK VLQJOHSKDVH YROWDJH FRQWUROOHG
IDXOW GHWHFWLRQ SKDVHSKDVH
,I WKH SRVVLELOLW\ RI PDNLQJ WKH YROWDJH ORRSV GHSHQ
GHQW RQ WKH HDUWK IDXOW GHWHFWLRQ LV XVHG WKH KLJK
VHQVLWLYLW\ IRU SKDVHHDUWK IDXOWV WKHQ DOVR DSSOLHV WR
SKDVHSKDVH IDXOWV 7KLV SRVVLELOLW\ LV LQ SULQFLSOH
LQGHSHQGHQW RI WKH WUHDWPHQW RI WKH V\VWHP VWDU
&*&
0HDVXUHG
YROWDJH
/
/(
/
/(
/
/(
/
/(
/
/(
/
/(
/
/(
/
/(
/
/(
0HDVXUHG
YROWDJH
/
//
/
//
/
//
(DUWK IDXOW
3DUDPHWHU
GHWHFWLRQ
3+ )$8/76
QR
3+$6( 3+$6(
QR
QR
QR
3+$6( ($57+
QR
QR
\HV
LUUHOHYDQW
\HV
\HV
ORDG FXUUHQWV 7DEOH  VKRZV WKH DVVLJQPHQW RI WKH

SKDVH FXUUHQWV ORRS YROWDJHV DQG RXWSXW UHVXOWV LQ
QuQu
WKH FDVH RI SLFNXS RI RQO\ RQH IDXOW GHWHFWLRQ PRG
XOH LI FRQWURO ZLWK SKDVHSKDVH YROWDJHV LV VHOHFWHG
7KH PHDVXUHG OLQH ORRS LQ WKLV FDVH LV LQGHSHQGHQW
RI WKH HDUWK IDXOW GHWHFWLRQ DQG WKLV PHWKRG LV WKHUH
IRUH QRW VXLWDEOH IRU HDUWKHG V\VWHPV
(DUWK IDXOW
3DUDPHWHU
GHWHFWLRQ
3+ )$8/76
LUUHOHYDQW
LUUHOHYDQW
SRLQW LW DVVXPHV KRZHYHU WKDW WKH HDUWK IDXOW FULWH
ULD DFFRUGLQJ WR 6HFWLRQ  KDYH EHHQ VDWLVILHG
VDIHO\ IRU DOO HDUWK IDXOWV 7DEOH  DSSOLHV WR WKH IDXOW
GHWHFWLRQ SURJUDP SKDVHHDUWK RU SKDVHSKDVH
YROWDJHV ZLWK VLQJOHSKDVH SLFNXS
0HWKRG RI RSHUDWLRQ
5HVXOWDQW
$QQXQFL
OLQH ORRS
DWLRQ
//
/ /
//
/ /
//
/ /

/(
/
/(
/
/(
/
/(
/ (
/(
/ (
/(
/ (
5HVXOWDQW
$QQXQFL
OLQH ORRS
DWLRQ
//
/ /
//
/ /
//
/ /


Advertisement

loading