Download Print this page

Siemens SIPROTEC 7SA511 Instruction Manual page 187

Numerical distance protection relay

Advertisement

6$
9
   
7 + ( 5 0 $ /
2 9 ( 5 / 2 $ '
   
7 + ( 5 0 $ /
$ / $ 5 0
2 1 / <
2 1
2 ) )
   
.  ) $ & 7 2 5
   
   
7  & 2 1 6 7 $ 1 7
    
P L Q
%\ VHWWLQJ D ZDUQLQJ WHPSHUDWXUH ULVH DGGUHVV
  DQ DODUP FDQ EH RXWSXW EHIRUH WKH WULS WHP
SHUDWXUH ULVH LV UHDFKHG VR WKDW IRU H[DPSOH E\
SURPSW ORDG VKHGGLQJ WULSSLQJ PD\ EH SUHYHQWHG
$ IXUWKHU FXUUHQW ZDUQLQJ VWDJH LV DYDLODEOH DGGUHVV
  7KLV FDQ EH VHW DV D IDFWRU RI WKH UDWHG FXUUHQW
DQG VKRXOG EH HTXDO RU OHVV WKDQ WKH FRQWLQXRXVO\
DGPLVVLEOH FXUUHQW ,W FDQ EH XVHG EHVLGHV WKH WHP
SHUDWXUH ZDUQLQJ VWDJH RU LQVWHDG RI WKDW :KHQ VHW
   
3
 
   
,
   
,  , Q
   
2  /
3
0 $ ;
3
0 ( $ 1
3
) 5 2 0
&*&
3 5 2 7 
2 /
: $ 5 1
: $ 5 1
& $ / & 8 /
, 0 $ ;
%HJLQQLQJ RI EORFN k7KHUPDO RYHUORDG SURWHFWLRQl
7KHUPDO RYHUORDG SURWHFWLRQ FDQ EH VHW WR
LVVXH $/$50V 21/< RU
EH VZLWFKHG 21 LH WULS DQG DODUPV RU
EH VZLWFKHG 2))
6HWWLQJ YDOXH RI N IDFWRU
6HWWLQJ UDQJH
7LPH FRQVWDQW U
6HWWLQJ UDQJH
WLQJ 3
3
WR   WKH WHPSHUDWXUH ZDUQLQJ LV
ZDUQ
WULS
SUDFWLFDOO\ LQHIIHFWLYH
$ FKRLFH FDQ EH PDGH ZKHWKHU WKH WHPSHUDWXUH ULVH
ZKLFK LV GHFLVLYH IRU WKH WKUHVKROG VWDJHV LV WKH
PD[LPXP FDOFXODWHG WHPSHUDWXUH ULVH RI WKH WKUHH
FRQGXFWRUV WKH PHDQ YDOXH RI WKH FDOFXODWHG WHP
SHUDWXUH ULVHV RI WKH WKUHH FRQGXFWRUV RU WKH WHP
SHUDWXUH ULVH FDOFXODWHG IURP WKH PD[LPXP FXUUHQW
RI WKH WKUHH FRQGXFWRUV DGGUHVV  
7KHUPDO ZDUQLQJ VWDJH LQ
3
3
ZDUQ
WULS
6HWWLQJ UDQJH
&XUUHQW ZDUQLQJ VWDJH VHW DV D PXOWLSOH RI ,
6HWWLQJ UDQJH
&DOFXODWLRQ PHWKRG GHFLVLYH IRU WKHUPDO VWDJHV
PD[LPXP RI WKH WHPSHUDWXUH ULVHV RI WKH WKUHH FRQGXF
WRUV
PHDQ YDOXH RI WKH WHPSHUDWXUH ULVHV RI WKH WKUHH FRQ
GXFWRUV
WHPSHUDWXUH ULVH FDOFXODWHG IURP WKH PD[LPXP FRQ
GXFWRU FXUUHQW
2SHUDWLQJ LQVWUXFWLRQV
,
,
PD[
1
 WR 
 WR  PLQ
RI WULS WHPSHUDWXUH ULVH

WR 
1
 k ,
WR  k ,
1
1


Advertisement

loading