Download Print this page

Siemens SIPROTEC 7SA511 Instruction Manual page 196

Numerical distance protection relay

Advertisement

6$
9
 1RQGLUHFWLRQDO HDUWK IDXOW SURWHFWLRQ LQYHUVH WLPH  DGGUHVV EORFN 
,QVWHDG RI WKH DERYH PHQWLRQHG IXQFWLRQV D QRQGL
UHFWLRQDO HDUWK IDXOW SURWHFWLRQ FDQ EH VHW $ FKRLFH
RI WKUHH FKDUDFWHULVWLFV LV JLYHQ QRUPDO LQYHUVH YHU\
LQYHUVH DQG H[WUHPH LQYHUVH ,H! VKDOO EH VHW EHORZ
WKH PLQLPXP H[SHFWHG HDUWK IDXOW FXUUHQW DW 
OHVV VLQFH DFFRUGLQJ WR ,(&  WKH SURWHF
WLRQ VKDOO QRW RSHUDWH IRU FXUUHQWV XS WR  WLPHV
WKH VHWWLQJ YDOXH DQG WKH FKDUDFWHULVWLFV DUH GHILQHG
RQO\ IURP  WLPHV WKH VHWWLQJ YDOXH RQZDUGV ,Q DQ\
HYHQW 6$ DOUHDG\ WULSV IRU FXUUHQWV DERYH DS
SUR[LPDWHO\  WLPHV WKH VHWWLQJ YDOXH LQ DFFRU
GDQFH ZLWK WKH IRUPXODH YDOLG IRU WKH FKDUDFWHULVWLFV
   
( $ 5 7 + ) $ 8 / 7
1 2 1  ' , 5 ( & 7 , 2 1 $ /
   
(  )
2 1
2 ) )
   
(  )
1 2 5 0 $ /
9 ( 5 <
, 1 9 ( 5 6 (
( ; 7 5 ( 0 ( / <
   
, H !
   
,  , Q
   
7  , H !
   
V
   
7  % / 2 & .
   
V

,  7 
& + $ 5 $ &
, 1 9 ( 5 6 (
, 1 9 ( 5 6
)LJXUH  6HFWLRQ  
:KHQ VHWWLQJ WKH WLPH 7,H! DGGUHVV  RQH
PXVW FRQVLGHU WKDW WKH VHWWLQJ YDOXH FRUUHVSRQGV WR
RU
 WLPHV WKH WLPH IDFWRU RI WKH WULSSLQJ WLPH IRUPXOD
HJ
7,H!
 V
IRU QRUPDO LQYHUVH 70
W
 V WULSSLQJ WLPH DW  WLPHV WKH VHW
WULS
YDOXH ,H!
%HJLQQLQJ RI EORFN
k(DUWK IDXOW QRQGLUHFWLRQDO LQYHUVH WLPH RYHUFXUUHQW
SURWHFWLRQl
1RQGLUHFWLRQDO LQYHUVH WLPH HDUWK IDXOW SURWHFWLRQ
LV
21 VZLWFKHG RQ
2)) VZLWFKHG RII
7ULS WLPH FKDUDFWHULVWLF IRU WKH QRQGLUHFWLRQDO LQYHUVH
WLPH RYHUFXUUHQW SURWHFWLRQ DFFRUGLQJ
,(&  RU %6 
1250$/ ,19(56(
9(5< ,19(56(
(;75(0(/< ,19(56H
3LFNXS YDOXH IRU HDUWK FXUUHQW GHWHFWLRQ
6PDOOHVW VHWWLQJ YDOXH
/DUJHVW VHWWLQJ YDOXH
'HOD\ WLPH FRUUHVSRQGV  [ 70
6PDOOHVW VHWWLQJ YDOXH
/DUJHVW VHWWLQJ YDOXH
DQG * QR WULS E\ ,H!
7LPH GXULQJ ZKLFK HDUWKIDXOW SURWHFWLRQ LV EORFNHG DIWHU
GLVWDQFH SURWHFWLRQ KDV UHVHW ZKHQ D VHFRQG H[WHUQDO
SURWHFWLRQ UHOD\ ZLWK $5 LV SUHVHQW WKLV WLPH PXVW EH ORQ
JHU WKDQ D VLQJOHSROH DXWRUHFORVH F\FOH
6PDOOHVW VHWWLQJ YDOXH
/DUJHVW VHWWLQJ YDOXH
2SHUDWLQJ LQVWUXFWLRQV
 WKXV
WLPH FKDUDFWHULVWLF W\SH $
WLPH FKDUDFWHULVWLF W\SH %
WLPH FKDUDFWHULVWLF W\SH &
 ,,
1
 ,,
1
 V
 V
 V
 V
&*&

Advertisement

loading