Download Print this page

Siemens 7SA513 Instruction Manual page 298

Numerical distance protection for ehv systems
Hide thumbs Also See for 7SA513:

Advertisement

6$
9
 7HVWLQJ WKH FLUFXLW EUHDNHU IDLOXUH SURWHFWLRQ
)RU WHVWLQJ WKH FLUFXLW EUHDNHU IDLOXUH SURWHFWLRQ DG
GUHVV  %5($. )$,/ PXVW EH VZLWFKHG WR (;,67
$GGLWLRQDOO\ WKLV IXQFWLRQ PXVW EH VZLWFKHG RQ LH
DGGUHVV  PXVW EH VHW WR %) 3527
,QLWLDWLRQ RI WKH EUHDNHU IDLOXUH SURWHFWLRQ LV SHU
IRUPHG E\ WKH WULS FRPPDQG RI DQ\ GHVLUHG SURWHF
WLRQ IXQFWLRQ ,W LV DGYLVDEOH WR XVH WKH EDFNXS RYHU
FXUUHQW WLPH SURWHFWLRQ E\ VLPXODWLRQ RI D WZRSKDVH
VKRUWFLUFXLW LQ WKLV FDVH DQ DF WHVW FXUUHQW LV VXIIL
FLHQW 7KH UHPDLQLQJ SURWHFWLRQ IXQFWLRQV VKRXOG EH
VZLWFKHG RII SDUWLFXODUO\ WKH GLVWDQFH SURWHFWLRQ
%HVLGHV WKH EUHDNHU IDLOXUH SURWHFWLRQ WKH RYHUFXU
UHQW WLPH SURWHFWLRQ IRU SKDVH FXUUHQWV LV VZLWFKHG
RQ IRU WKLV WHVW SURFHGXUH LH DGGUHVV  %$&.
2& 3
21
7KH FXUUHQW SLFNXS YDOXH RI WKH EUHDNHU IDLOXUH SUR
WHFWLRQ ,%) DGGUHVV  PXVW EH VHW VPDOOHU
WKDQ RU HTXDO WR WKH SLFNXS YDOXH RI WKH SKDVH FXU
UHQW VWDJH RI WKH RYHUFXUUHQW WLPH SURWHFWLRQ DG
GUHVV  IRU GHILQLWH WLPH RYHUFXUUHQW SURWHFWLRQ RU
 IRU LQYHUVH WLPH RYHUFXUUHQW SURWHFWLRQ 
6ZLWFK WHVW FXUUHQW IURP  WR WZLFH WKH SLFNXS YDOXH
RI WKH RYHUFXUUHQW WLPH SURWHFWLRQ DGGUHVV  ,!
IRU GHILQLWH WLPH RYHUFXUUHQW RU  ,S IRU LQYHUVH
WLPH RYHUFXUUHQW 
&DXWLRQ
7HVW FXUUHQWV ODUJHU WKDQ  WLPHV ,
RYHUORDG DQG GDPDJH WKH UHOD\ LI DSSOLHG
FRQWLQXRXVO\ UHIHU WR 6HFWLRQ  IRU
RYHUORDG FDSDELOLW\  2EVHUYH D FRROLQJ
GRZQ SHULRG

7KH RYHUFXUUHQW WLPH SURWHFWLRQ ZLOO SLFN XS DQG LV
VXH D WULS FRPPDQG DIWHU WKH VHW WLPH GHOD\ 7,!
DGGUHVV  IRU GHILQLWH WLPH RYHUFXUUHQW RU DF
21
FRUGLQJ WR WKH WULS WLPH FKDUDFWHULVWLF DQG WLPH PXOWL
SOLHU 7,S DGGUHVV  IRU LQYHUVH WLPH RYHUFXU
UHQW  7KLV LV WKH VWDUW VLJQDO IRU WKH EUHDNHU IDLOXUH
SURWHFWLRQ
$IWHU H[SLU\ RI WKH VHW WLPH GHOD\ 7%) DGGUHVV
  WULS VLJQDO LV JLYHQ E\ WKH EUHDNHU IDLOXUH SUR
WHFWLRQ
,I WKH EUHDNHU IDLOXUH SURWHFWLRQ LV LQWHQGHG WR EH LQLWL
DWHG DGGLWLRQDOO\ E\ DQ H[WHUQDO SURWHFWLRQ UHOD\ LW
LV QHFHVVDU\ WR DOORFDWH WKH DVVLJQHG LQSXW IXQFWLRQV
WR ELQDU\ LQSXW PRGXOHV )1RV  DQG  WR
 FI 6HFWLRQ   &KHFN WKH H[WHUQDO LQLWLDWLRQ
DV IROORZV
3URGXFH DQ LQLWLDWLRQ VLJQDO IRU HDFK SKDVH
)1R  l%) 6WDUW /l IRU SKDVH /
)1R  l%) 6WDUW /l IRU SKDVH /
)1R  l%) 6WDUW /l IRU SKDVH /
,I LQLWLDWLRQ VKRXOG EH FRPPRQ IRU DOO WKUHH SKDVHV
WKHQ FRPELQH WKH WKUHH LQSXW IXQFWLRQV ZLWK RQH
SK\VLFDO LQSXW PRGXOH
(QVXUH WKDW WKH UHOHDVH VLJQDO
)1R  l%) UHOHDVHl
LV DSSOLHG WRJHWKHU ZLWK WKH LQLWLDWLRQ VLJQDO V  EH
FDXVH WKH EUHDNHU IDLOXUH SURWHFWLRQ ZLOO VWDUW RQO\
PD\
1
ZLWK WKLV VHFRQG FKDQQHO IRU VDIHW\ UHDVRQV
&RQWLQXH WKH WHVW LQ DQDORJ\ WR WKH SURFHGXUH DERYH
GHVFULEHG IRU WKH LQWHUQDO LQLWLDWLRQ E\ WKH RYHUFXU
UHQW WLPH SURWHFWLRQ
2SHUDWLQJ LQVWUXFWLRQV
&*&

Advertisement

loading