Download Print this page

Siemens siprotec 7sj602 Instruction Manual page 208

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

Advertisement

6-
9
&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 WULS FRPPDQG VWDUWV WKH EUHDNHU IDLOXUH SURWHF
WLRQ WLPHU $IWHU H[SLU\ RI 7%) DGGUHVV  WKH
EUHDNHU IDLOXUH SURWHFWLRQ WULSV WKH DVVLJQHG RXWSXW
UHOD\
,I WKH EUHDNHU IDLOXUH SURWHFWLRQ LV LQWHQGHG DOVR WR EH
VWDUWHG YLD D ELQDU\ LQSXW WKLV IXQFWLRQ VKRXOG DOVR
EH WHVWHG $ WHVW FXUUHQW KLJKHU WKDQ WKH VHW YDOXH
&%,! DGGUHVV  EXW VPDOOHU WKDQ DQ\ VHWWLQJ
YDOXH RI WKH WLPH RYHUFXUUHQW SURWHFWLRQ LV LQMHFWHG
VR WKDW WKH WLPH RYHUFXUUHQW SURWHFWLRQ IXQFWLRQV ZLOO
QRW RSHUDWH EXW WKH EUHDNHU IDLOXUH SURWHFWLRQ IXQF
WLRQ ZLOO GR
1RZ VWDUW WKH EUHDNHU IDLOXUH SURWHFWLRQ E\ HQHUJL]
LQJ WKH ELQDU\ LQSXW k!%) 6Wl )1R   $IWHU H[
SLU\ RI 7%) DGGUHVV  WKH EUHDNHU IDLOXUH SUR
WHFWLRQ WULSV WKH DVVLJQHG RXWSXW UHOD\
6ZLWFK RII WHVW FXUUHQW

7HVWLQJ WKH XQEDODQFHG ORDG 
QHJDWLYH VHTXHQFH SURWHFWLRQ
7KH XQEDODQFHG ORDG SURWHFWLRQ FDQ EH WHVWHG LI WKLV
IXQFWLRQ KDV EHHQ FRQILJXUHG LQ DGGUHVV EORFN  DV
81%/
(;,67 DQG SDUDPHWHUL]HG DV RSHUDWLYH
81%/
21 
7KH XQEDODQFHG ORDG SURWHFWLRQ KDV WZR GHILQLWH
WLPH GHOD\ VWDJHV ,! 7,! DQG ,!! 7,!! 
7HVWLQJ FDQ EH SHUIRUPHG ZLWK VLQJOHSKDVH WZR
SKDVH RU WKUHHSKDVH WHVW FXUUHQW ,Q WKH IROORZLQJ
WHVWLQJ ZLWK D VLQJOHSKDVH FXUUHQW LV GHVFULEHG ,Q
WKLV FDVH WKH XQEDODQFHG ORDG DPRXQWV WR RQH WKLUG
RI WKH WHVW FXUUHQW ZKLFK LV UHIHUUHG WR WKH QRPLQDO
GHYLFH FXUUHQW

:KHQ WKH SLFNXS YDOXH LV H[FHHGHG WHVW FXUUHQW !
 WLPHV VHWWLQJ YDOXHV  WKH DVVRFLDWHG DQQXQFL
DWLRQV k)' ,!l DQG k)' ,!!l VLJQDO UHOD\  DW
PD\
1
GHOLYHU\ PXVW EH LQGLFDWHG $IWHU WKH DVVRFLDWHG
WLPH GHOD\ KDV H[SLUHG 7,!  V DW GHOLYHU\ 7,!! 
V DW GHOLYHU\  WULS DQQXQFLDWLRQ k753 ,l LV LVVXHG
/('  DW GHOLYHU\  &KHFN WKDW WKH WULS FRQWDFWV
FORVH
,W PXVW EH QRWHG WKDW WKH VHW WLPHV DUH SXUH GHOD\
WLPHV RSHUDWLQJ WLPHV RI WKH PHDVXUHPHQW IXQF
WLRQV DUH QRW LQFOXGHG
 7HVWLQJ WKH LQWHUQDO DXWRUHFORVH
IXQFWLRQV
7KH LQWHUQDO $5 IXQFWLRQ FDQ EH WHVWHG SURYLGHG LW LV
ILWWHG LQ WKH UHOD\ FRQILJXUHG LQ DGGUHVV EORFN  DV
$5
(;,67 UHIHU WR 6HFWLRQ  DQG VZLWFKHG WR
$5
21 DGGUHVV EORFN  
7KH ELQDU\ LQSXW kFLUFXLW EUHDNHU UHDG\l PXVW EH VLP
XODWHG VKRXOG LW EH DVVLJQHG WR WKH FRUUHVSRQGLQJ
LQSXW IXQFWLRQ )1R  k!$5EO&Ol LH EORFN FORV
LQJ FRPPDQG UHIHU DOVR WR 6HFWLRQ  
'HSHQGLQJ RI WKH VHOHFWHG $5 SURJUDP D VKRUW FLU
FXLW VKRXOG EH VLPXODWHG IRU HDFK RI WKH GHVLUHG
DXWRUHFORVH VKRWV HDFK WLPH RQFH ZLWK VXFFHVVIXO
DQG RQFH ZLWK XQVXFFHVVIXO $5 &KHFN WKH SURSHU
UHDFWLRQ RI WKH UHOD\ DFFRUGLQJ WR WKH VHW $5 SUR
JUDPV
1RWH WKDW HDFK QHZ WHVW FDQ EHJLQ RQO\ DIWHU WKH
SUHYLRXV WHVW KDV FRPSOHWHO\ WHUPLQDWHG RWKHUZLVH
DQ DXWRUHFORVXUH FDQQRW UHVXOW DQQXQFLDWLRQ
k$5 L SJl DXWRUHFORVXUH LQ SURJUHVV )1R 
QRW DOORFDWHG DW GHOLYHU\ PXVW QRW EH SUHVHQW RU
PXVW EH DQQXQFLDWHG k*RLQJl
,I WKH FLUFXLW EUHDNHU LV QRW UHDG\ DQG WKLV LV LQGLFDWHG
WR WKH UHOD\ DV GHVFULEHG DERYH D UHFORVH DWWHPSW
PXVW QRW UHVXOW
2SHUDWLQJ LQVWUXFWLRQV
&*&

Advertisement

loading