Siemens siprotec 7sj602 - 6.3.6 Settings for sensitive earth fault protection (address block 30)

2SHUDWLQJ LQVWUXFWLRQV6-
9
&       *      &   

 6HWWLQJV IRU VHQVLWLYH HDUWK IDXOW SURWHFWLRQ  DGGUHVV EORFN 
 7LPH RYHUFXUUHQW SURWHFWLRQ XVLQJ WKH HDUWK FXUUHQW PDJQLWXGH
6HQVLWLYH HDUWK IDXOW SURWHFWLRQ LV RQO\ SRVVLEOH LQ WKH
FRUUHVSRQGLQJ GHYLFH YHUVLRQV 6-
% R U    -DQGLIWKHUHVSHFWLYHFRQILJXUDWLRQ
SDUDPHWHU 6HFWLRQ  DGGUHVV  LV VHW WR WR
DQ DFWLYH JURXS RI FKDUDFWHULVWLFV ,W ZRUNV WKHQ
LQVWHDG RI WKH WLPH RYHUFXUUHQW SURWHFWLRQ IRU HDUWK
FXUUHQW 6HFWLRQ 
7KLVIXQFWLRQFDQEHXVHGLQLVRODWHGRUFRPSHQ
VDWHG QHWZRUNV WR GHWHFW DQ HDUWK IDXOW DQG WR GLV
FULPLQDWH WKH HDUWK IDXOW GLUHFWLRQ PRGHOV ZLWK GLUHF
WLRQDO VXSSOHPHQW DQG FRQQHFWLRQ RI WKH GLVSODFH
PHQW YROWDJH 6-%
,Q HIIHFWLYHO\ VROLGO\ JURXQGHG RU ORZLPSHGDQFH
HDUWKHG QHWZRUNV GHWHFWLRQ RI KLJKUHVLVWDQFH
HDUWK IDXOWV ZLWK YHU\ VPDOO IDXOW FXUUHQWV LV SRVVLEOH
HLWKHU ZLWK GLUHFWLRQ GHWHUPLQDWLRQ LI DSSOLFDEOH
6-% %HFDXVH RI LWV KLJK VHQVL
WLYLW\ LW LV QRW VXLWHG IRU GHWHFWLRQ RI KLJKHU HDUWK IDXOW
FXUUHQWV IURP i,
1
DQG DERYH DW WKH UHOD\ WHUPL
QDOV IRU KLJKVHQVLWLYLW\ HDUWK IDXOW SURWHFWLRQ )RU
WKRVH DSSOLFDWLRQV XVH WKH WLPH RYHUFXUUHQW SURWHF
WLRQ IRU HDUWK FXUUHQWV DV GHVFULEHG LQ 6HFWLRQ 
>@
%HJLQQLQJ RI WKH EORFN k6HQVLWLYH HDUWK IDXOW SURWHFWLRQl
 ;0=
6(16,9 (
>@
6ZLWFKLQJ 21 WKH VHQVLWLYH HDUWK IDXOW SURWHFWLRQ
;0= ((
21
2))

6ZLWFKLQJ 2)) WKH VHQVLWLYH HDUWK IDXOW SURWHFWLRQ
$5/0RQO\
2QO\ HDUWK IDXOW DODUP EXW QR WULS
,Q RUGHU WR GHWHFW HDUWK FXUUHQWV D WZRVWDJH FXUUHQW
WLPH FKDUDFWHULVWLF FDQ EH VHW 7KH PDJQLWXGH RI WKH
HDUWK FXUUHQW LV GHFLVLYH IRU SLFNXS RI WKHVH VWDJHV
7KH\ DUH XVHG LQ FDVHV ZKHUH WKH PDJQLWXGH RI WKH
HDUWK FXUUHQW LV WKH PHDQ FULWHULRQ RI WKH HDUWK IDXOW
WKHUHIRUH SUHIHUDEO\ LQ ORZLPSHGDQFH HDUWKHG
V\VWHPV RU IRU HOHFWULFDO PDFKLQHV LQ EXVEDU FRQ
QHFWLRQ ZLWK LVRODWHG V\VWHPV ZKHUH D KLJK FDSDFL
WLYH FXUUHQW RI WKH V\VWHP FDQ EH H[SHFWHG LQ FDVH RI
PDFKLQH HDUWK IDXOW EXW RQO\ DQ LQVLJQLILFDQW HDUWK
FXUUHQW LQ FDVH RI D V\VWHP HDUWK IDXOW EHFDXVH RI WKH
ORZ PDFKLQH FDSDFLWDQFH
,I D VWDJH LV LQWHQGHG WR RSHUDWH GLUHFWLRQDO SRVVLEOH
RQO\ LQ YHUVLRQ 6-% VHH EHORZ
XQGHU k'LUHFWLRQ GLVFULPLQDWLRQl VKRUWHU WULSSLQJ
WLPHV DUH SRVVLEOH GHSHQGHQW RQ WKH IDXOW GLUHFWLRQ
7KH KLJKYDOXH VWDJH LV GHVLJQDWHG ZLWK ,((!!
SLFNXS YDOXH LQ DGGUHVV  ,W FDQ EH GHOD\HG E\
7,((!! DGGUHVV  DQG OHDG WR DQQXQFLDWLRQ RU
HYHQ WR WULS 7KH ODWWHU LV RQO\ SRVVLEOH LI WULS KDV EHHQ
VHW LH XQGHU DGGUHVV  ;0= 6(16,9 ( 21,I
WKH ,
((
!!VWDJH LV QRW QHHGHG VHW WKH SLFNXS YDOXH
WR *
,I WKH G\QDPLF VZLWFKRYHU IDFLOLW\ LV XVHG DQG DQ DG
HTXDWH ELQDU\ LQSXW KDV EHHQ DVVLJQHG WR WKLV IXQF
WLRQ WKH DSSURSULDWH WKUHVKROG YDOXH LV VHW DV
,((!!G\ DGGUHVV  7KH GXUDWLRQ RI WKH G\
QDPLF VZLWFKRYHU LV WKH VDPH DV VHW IRU SKDVH FXU
UHQWV 6HFWLRQ  DGGUHVV 