Download Print this page

Siemens siprotec 7sj602 Instruction Manual page 141

Multifunction overcurrent and motor protection relay
Hide thumbs Also See for siprotec 7sj602:

Advertisement

6-
9

6HWWLQJV IRU SKDVH IDXOW WLPH RYHUFXUUHQW SURWHFWLRQ  DGGUHVV EORFN 
 
2  &
3 + $ 6 (
 
2  & S K
2 1

2 ) )
'HSHQGHQW RQ WKH VFRSH RI IXQFWLRQV RI WKH UHOD\ UH
IHU WR 6HFWLRQ   RQO\ WKRVH SDUDPHWHUV DUH DYDLO
DEOH ZKLFK KDYH D PHDQLQJ IRU WKH VHOHFWHG IXQF
WLRQV 7KH VHWWLQJV IRU G\QDPLF VZLWFKRYHU RI SLFN
XS YDOXHV DUH RQO\ DFFHVVLEOH ZKHQ WKH G\QDPLF
VZLWFKRYHU KDG EHHQ FRQILJXUHG DV (;,67 6HFWLRQ
 
,I WKH G\QDPLF VZLWFKRYHU IDFLOLW\ LV XVHG DQG DQ DG
HTXDWH ELQDU\ LQSXW KDV EHHQ DVVLJQHG WR WKLV IXQF
WLRQ WKH GXUDWLRQ 7G\Q RI WKLV G\QDPLF VZLWFKRYHU LV
VHW
7KHQ WKH YHU\ KLJK VHW DQG WKH KLJK VHW RYHUFXUUHQW
VWDJHV ,!!! DQG ,!! DQG  LI DSSURSULDWH  WKHLU
G\QDPLF WKUHVKROGV ,!!!G\ DQG ,!!G\ DUH VHW
7KHVH VWDJHV DUH RIWHQ XVHG IRU FXUUHQW JUDGLQJ EH
IRUH KLJK LPSHGDQFHV HJ WUDQVIRUPHUV
7KH\ DUH VHW VXFK WKDW WKH\ SLFN XS RQ VKRUWFLUFXLWV
LQWR WKH SURWHFWHG LPSHGDQFH HJ IRU WUDQVIRUPHUV
WR  WLPHV RI WKH YDOXH
,!!!
,!!
€ 
,
,
1
1
,Q RUGHU WR EULGJH RXW KLJK LQUXVK FXUUHQWV LW PD\ EH
DGYLVDEOH WR VHW D VKRUW GHOD\ WLPH IRU WKH ,!! VWDJH
1RUPDOO\  PV WR  PV DUH VXIILFLHQW
)RU XVH RQ PRWRUV LW PXVW EH FRQVLGHUHG WKDW WKH
KLJKVHW RYHUFXUUHQW HOHPHQW PXVW QRW EH H[FHHGHG
E\ WKH PRWRU VWDUWXS FXUUHQW VR WKDW WKLV VWDJH GRHV
QRW WULS WKH PRWRU GXULQJ VWDUWXS
7KH YHU\ KLJK LQVWDQWDQHRXV VWDJH ,!!! SLFNV XS
RQ IHZ LQVWDQWDQHRXV YDOXHV RI WKH FXUUHQW DPSOL
WXGH FRQYHUWHG WR UPV YDOXH  :LWK VKRUWFLUFXLW
FXUUHQWV RI PRUH WKDQ  WLPHV VHWWLQJ YDOXH WKLV VWDJH
RSHUDWHV LPPHGLDWHO\ 7KXV LW VKRXOG EH VHW HTXDO RU
KLJKHU WKDQ WKH KLJK VHW VWDJH ,!! 7KH ,!!! VWDJH
&*&
>@
%HJLQQLQJ RI WKH EORFN k7LPH RYHUFXUUHQW SURWHFWLRQ IRU
SKDVH IDXOWVl
>@
6ZLWFKLQJ 21 RI WKH SKDVH IDXOW WLPH RYHUFXUUHQW SUR
WHFWLRQ
6ZLWFKLQJ 2)) RI WKH SKDVH IDXOW WLPH RYHUFXUUHQW
SURWHFWLRQ

,
1 WUDQVI
X
,
VF WUDQVI
1 &
LV DOZD\V LQVWDQWDQHRXV WKH ,!! VWDJH LV DOZD\V D
GHILQLWH WLPH RU LQVWDQWDQHRXV VWDJH LQGHSHQGHQW
RQ ZKLFK FKDUDFWHULVWLF LV VHW IRU WKH RYHUFXUUHQW
VWDJH
,I WKH UHOD\ LV LQWHQGHG WR RSHUDWH ZLWK DXWRUHFORVXUH
WKHQ WKH ,!! DQG ,!!! VWDJH DUH XVHG DV UDSLG WULS
SLQJ VWDJH EHIRUH DXWRUHFORVXUH %HIRUH WKH ILUVW
DXWRUHFORVXUH WKH ,!! VWDJH LV YDOLG ZLWKRXW GHOD\
RU ZLWK VKRUWWLPH GHOD\ RU WKH LQVWDQWDQHRXV ,!!!
VWDJH IRU WKH DXWRUHFORVXUH VHTXHQFH WR EH
VXFFHVVIXO $IWHU XQVXFFHVVIXO DXWRUHFORVXUH WKH
,!! DQG ,!!! VWDJHV DUH EORFNHG 7KH GHOD\HG
RYHUFXUUHQW VWDJH ,! GHILQLWH WLPH RU ,
WLPH UHPDLQV HIIHFWLYH DQG IRU UHDVRQV RI VHOHFWLY
LW\ ZLOO FOHDU WKH IDXOW LQ DFFRUGDQFH ZLWK WKH WLPH
JUDGLQJ FKDUW RI WKH QHWZRUN 7KH SLFNXS YDOXHV RI
WKH ,!! DQG ,!!! VWDJHV QHHG QRW EH GLIIHUHQW
IURP WKH RYHUFXUUHQW VWDJH EHFDXVH LW LV WKH VKRUW
WULSSLQJ WLPH RI WKHVH VWDJHV ZKLFK LV RI LQWHUHVW LQ
WKLV DSSOLFDWLRQ 1RWH WKDW WKHVH VWDJHV DUH EORFNHG
LQ UHOD\V ZLWK DXWRUHFORVH IXQFWLRQ DIWHU WKH ILUVW
DXWRUHFORVXUH 7KH\ FDQ HLWKHU EH EORFNHG YLD D
ELQDU\ LQSXW WRJHWKHU ZLWK EORFNLQJ RI WKH $5 IXQF
WLRQ UHIHU DOVR WR 6HFWLRQ  0DUVKDOOLQJ RI WKH
ELQDU\ LQSXWV 
$ IXUWKHU DSSOLFDWLRQ RI WKH ,!! VWDJH LV LQ FRQMXQF
WLRQ ZLWK WKH UHYHUVH LQWHUORFNLQJ SULQFLSOH DV GH
VFULEHG LQ 6HFWLRQ   7KH GLIIHUHQW WULSSLQJ WLPH
LV RI LQWHUHVW LQ WKLV FDVH WRR 7KH ,!! VWDJH LV XVHG
IRU UDSLG WULSSLQJ LQ FDVH RI D EXVEDU IDXOW ZLWK RQO\
D VKRUW VDIHW\ WLPH 7KH RYHUFXUUHQW VWDJH LV WKH
EDFNXS IRU IDXOW RQ DQ RXWJRLQJ IHHGHU
7KH VHW WLPHV DUH SXUH GHOD\ WLPHV ZKLFK GR QRW LQ
FOXGH WKH RSHUDWLQJ WLPH RI WKH SURWHFWLRQ ,I WKH
KLJKVHW RYHUFXUUHQW VWDJHV ,!!! DQGRU ,!! DUH
QRW XVHG WKHQ VHW WKH SLFNXS YDOXHV WR * 7KLV LV DF
FRPSOLVKHG E\ SUHVVLQJ WKH NH\  EH\RQG WKH KLJK
HVW VHWWLQJ YDOXH
2SHUDWLQJ LQVWUXFWLRQV
LQYHUVH
S


Advertisement

loading