Download Print this page

Siemens SIPROTEC 7SA511 Instruction Manual page 234

Numerical distance protection relay

Advertisement

6$
9

2II2Q FRQWURO RI SDUW IXQFWLRQV RI WKH GHYLFH
'XULQJ RSHUDWLRQ RI WKH SURWHFWLRQ UHOD\ LW PD\ EH GH
VLUHG WR FRQWURO WKH UHOD\ PDQXDOO\ RU IURP V\VWHP FUL
WHULD WHPSRUDULO\ WR VZLWFK RII SDUWLDO IXQFWLRQV RI WKH
UHOD\ RU WR VZLWFK WKHP RQ RQO\ XQGHU VSHFLILF FRQGL
WLRQV ([DPSOHV PD\ EH WKH VZLWFKLQJ RII RI WKH WHOH
SURWHFWLRQ IXQFWLRQ GXULQJ PDLQWHQDQFH RU UHSDLU RI
WKH WUDQVPLVVLRQ PHGLXP RU WKH VZLWFKLQJ RQ RU RII
RI WKH DXWRUHFORVH V\VWHP ZKHQ D WUDQVIHU EXV LV EH
LQJ XVHG GHSHQGHQW XSRQ ZKHWKHU D WUDQVIRUPHU RU
OLQH EUDQFK LV VZLWFKHG WR WKH WUDQVIHU
6$ DOORZV SDUWLDO IXQFWLRQV WR EH VZLWFKHG RQ RU
RII YLD ELQDU\ LQSXWV RU PDQXDO RSHUDWLRQ YLD WKH LQWH
JUDWHG RSHUDWRU SDQHO RU YLD WKH RSHUDWLQJ LQWHUIDFH
DW WKH IURQW XVLQJ D SHUVRQDO FRPSXWHU
)RU VZLWFKLQJ YLD ELQDU\ LQSXWV LW LV RI FRXUVH QHFHV
VDU\ WKDW WKH ELQDU\ LQSXWV KDYH EHHQ PDUVKDOOHG WR
WKH FRUUHVSRQGLQJ VZLWFKLQJ IXQFWLRQV )XUWKHU
PRUH LW PXVW EH QRWHG WKDW D ELQDU\ LQSXW LV UHTXLUHG
IRU HDFK IXQFWLRQ VZLWFKLQJ RII DQG VZLWFKLQJ RQ
7KH VZLWFKLQJ FRPPDQG LV VWRUHG LQ WKH UHOD\ DQG
SURWHFWHG DJDLQVW DX[LOLDU\ YROWDJH IDLOXUH WKH IXQF
WLRQ RI D ELVWDEOH VWRUH  7KH FRPPDQG FDQ EH DQ
QXQFLDWHG YLD DQ DQQXQFLDWLRQ UHOD\ RU /(' GLVSOD\
)RU VZLWFKLQJ YLD WKH LQWHJUDWHG RSHUDWRU SDQHO RU
WKH IURQW LQWHUIDFH D FRGH ZRUG LV QHFHVVDU\ 7KH
FRQWURO IXQFWLRQV DUH IRXQG DW WKH EHJLQQLQJ RI WKH
SDUDPHWHU EORFN RI HDFK SURWHFWLRQ RU VXSSOHPHQWD
U\ IXQFWLRQ 7KH VZLWFK FRQGLWLRQ VKRZQ LQ WKH GLV
SOD\ FDQ EH FKDQJHG RYHU XVLQJ WKH k1RlNH\ 1
7KH RSSRVLWH VZLWFK FRQGLWLRQ WKHQ DSSHDUV LQ WKH
GLVSOD\ (DFK FKDQJH RI FRQGLWLRQ PXVW EH FRQ
ILUPHG ZLWK WKH (NH\ 7KH FKDQJHRYHU LV ILUVW UH
FRUGHG LQ WKH UHOD\ ZKHQ FRGHZRUG RSHUDWLRQ KDV
EHHQ WHUPLQDWHG 7KLV LV GRQH E\ WKH NH\ FRPELQD
WLRQ ) ( LH GHSUHVVLQJ WKH IXQFWLRQ NH\ ) IROORZHG
E\ WKH HQWU\ NH\ ( 7KH GLVSOD\ VKRZV WKH TXHVWLRQ
k6$9( 1(: 6(77,1*6"l &RQILUP ZLWK WKH
k<HVlNH\ -< WKDW WKH QHZ VHWWLQJV VKDOO EHFRPH
YDOLG QRZ 7KH VZLWFKHG FRQGLWLRQV DUH WKHQ SHUPD
QHQWO\ VWRUHG LQ ((3520V DQG SURWHFWHG DJDLQVW
DX[LOLDU\ YROWDJH IDLOXUH WKH GLVSOD\ FRQILUPV k1(:
6(77,1*6 6$9('l ,I \RX SUHVV WKH k1RlNH\ 1 LQ
VWHDG FRGHZRUG RSHUDWLRQ ZLOO EH DERUWHG LH DOO DO
WHUDWLRQV ZKLFK KDYH EHHQ FKDQJHG VLQFH WKH ODVW
FRGHZRUG HQWU\ DUH ORVW 7KXV HUURQHRXV DOWHUDWLRQV
FDQ EH PDGH LQHIIHFWLYH
$ IXQFWLRQ LV VZLWFKHG 21 ZKHQ WKH RQFRPPDQG
KDV EHHQ JLYHQ E\ ERWK WKH ELQDU\ LQSXW $1' DOVR
IURP WKH RSHUDWRU SDQHO RU LQWHUIDFH

$ IXQFWLRQ LV VZLWFKHG 2)) ZKHQ WKH RIIFRPPDQG LV
JLYHQ E\ (,7+(5 WKH ELQDU\ LQSXW 25 IURP WKH RSHUD
WRU SDQHO RU WKH RSHUDWLQJ LQWHUIDFH 7KXV LW LV HQ
VXUHG WKDW D SDUWLDO IXQFWLRQ FDQ RQO\ EH VZLWFKHG RQ
IURP WKDW SODFH ZKHUH LW ZDV SUHYLRXVO\ VZLWFKHG RII
&RQWURO LQSXWV ZKLFK DUH QRW PDUVKDOOHG WR D ELQDU\
LQSXW DUH UHJDUGHG IURP WKDW ORFDWLRQ DV VZLWFKHG
RQ VR WKDW FKDQJH RI WKH FRQGLWLRQ LV SRVVLEOH IURP
WKH RSHUDWRU SDQHO RU WKH RSHUDWLQJ LQWHUIDFH
$W WKH RSHUDWRU SDQHO DQG WKH RSHUDWLQJ LQWHUIDFH WKH
IDFWRU\ VHWWLQJ LV HTXDOO\ WKDW DOO SDUWLDO IXQFWLRQV DUH
VZLWFKHG RQ VR WKDW VZLWFKLQJ YLD ELQDU\ LQSXWV LV
SRVVLEOH
7KH FRPSOHWLRQ RI D VZLWFKLQJ FRPPDQG LV LQGH
SHQGHQW RI LWV FDXVH RXWSXW DV DQ RSHUDWLRQDO DQ
QXQFLDWLRQ
 k IXQFWLRQ RIIl &RPHV DW WKH LQVWDQW RI
VZLWFKRII
 k IXQFWLRQ RIIl *RHV DW WKH LQVWDQW WKDW LW LV
VZLWFKHG RQ
7KHVH DQQXQFLDWLRQV DUH OLVWHG LQ EORFN  XQGHU
23(5$7,21$/ $1181&,$7,216 DQG FDQ DOVR EH
WUDQVPLWWHG YLD WKH V\VWHP /6$ LQWHUIDFH WR D FHQ
WUDO FRPSXWHU $OVR WKH\ FDQ EH PDUVKDOOHG DV ELQDU\
RXWSXWV WKH VLJQDO UHOD\ WKHQ LQGLFDWHV WKH VZLWFKHG
RII FRQGLWLRQ
)RU DQQXQFLDWLRQV RQH PXVW GLIIHUHQWLDWH
 'LUHFW FRQILUPDWLRQ RI D ELQDU\ LQSXW LV DYDLODEOH DV
ORQJ DV WKH FRUUHVSRQGLQJ ELQDU\ LQSXW LV HQHU
JL]HG ,W FDQ EH RXWSXW YLD D VLJQDO UHOD\ RU /(' ,Q
WKH VXPPDU\ RI DOO DQQXQFLDWLRQV $SSHQGL[ &
WKHVH DQQXQFLDWLRQV DUH LGHQWLILHG ZLWK D ! V\P
ERO
 7KH FRPSOHWLRQ LQGLFDWLRQ RI WKH VZLWFKHGRII FRQ
GLWLRQ LV VLJQDOL]HG LQGHSHQGHQWO\ RI WKH VRXUFH RI
WKH FRPPDQG ,W DSSHDUV k&RPHVl DW WKH LQVWDQW
RI VZLWFKRII DQG GLVDSSHDUV k*RHVl DW WKH LQ
VWDQW RI VZLWFKLQJ RQ
7KH IROORZLQJ VXUYH\ VKRZV WKH FRQWURO IXQFWLRQV
DQG DOVR LQGLFDWHV ZKLFK FRQILUPDWLRQ LQGLFDWLRQV
DUH JHQHUDWHG
2SHUDWLQJ LQVWUXFWLRQV
&*&

Advertisement

loading