Siemens SIPROTEC 7SJ600 - Design of SIPROTEC 7 SJ600 Relay

'HVLJQ6- 9
&*&

'HVLJQ
 $UUDQJHPHQWV
$OO SURWHFWLRQ IXQFWLRQV LQFOXGLQJ GFGF FRQYHUWHU
DUH DFFRPPRGDWHG RQ D SULQWHG FLUFXLW ERDUG RI
'RXEOH (XURSD )RUPDW 7KLV SFE IRUPV FRPSOHP
HQWHG E\ D JXLGH SODWH D PXOWLSLQ FRQQHFWRU PRG
XOH DQG D IURQW XQLW D SOXJLQ PRGXOH ZKLFK LV LQ
VWDOOHG LQ D KRXVLQJ ;3
7KH JXLGH SODWH FDPV LQ FRQMXQFWLRQ ZLWK GLVWDQFH
SLHFHV RQ WKH SFE DQG WKH VKDSLQJ RI WKH FRQQHF
WRU PRGXOHV HQVXUH SURSHU PRXQWLQJ DQG IL[LQJ RI
WKH PRGXOH 7KH LQQHU SDUW RI WKH KRXVLQJ LV IUHH IURP
HQDPHO DQG WKXV IXQFWLRQV DV D ODUJH FRQWDFW SODQH
DQG VKLHOG ZLWK VROLG HOHFWULFDO FRQGXFWLYLW\ DQG
PDWHV ZLWK WKH HDUWKLQJ EODGHV RI WKH PRGXOH &RQ
QHFWLRQ WR HDUWK LV PDGH EHIRUH WKH SOXJV PDNH FRQ
WDFW $Q HDUWKLQJ DUHD KDV EHHQ SURYLGHG DW WKH
KRXVLQJ WR ZKLFK JURXQGLQJ VWULSV FDQ EH FRQ
QHFWHG LQ RUGHU WR HQVXUH VROLG ORZLPSHGDQFH
HDUWKLQJ
7KH KHDY\ GXW\ FXUUHQW SOXJ FRQQHFWRUV SURYLGH DX
WRPDWLF VKRUWLQJ RI WKH FW FLUFXLWV ZKHQHYHU WKH
PRGXOH LV ZLWKGUDZQ 7KLV GRHV QRW UHOHDVH IURP WKH
FDUH WR EH WDNHQ ZKHQ FW VHFRQGDU\ FLUFXLWV DUH
FRQFHUQHG
7KH GHJUHH RI SURWHFWLRQ IRU WKH KRXVLQJ LV ,3 IRU
WKH WHUPLQDOV ,3
7KUHH GLIIHUHQW W\SHV RI KRXVLQJV FDQ EH GHOLYHUHG
 6-4  4%444  LQ KRXVLQJ ;3 ZLWK WHUPL
QDOV DW ERWK VLGHV IRU SDQHO VXUIDFH PRXQWLQJ
7KH KRXVLQJ LV EXLOW RI D PHWDO WXEH DQG FDUULHV D
WHUPLQDO EORFN ZLWK IRXU KROHV IRU IL[LQJ WKH UHOD\ WR
WKH SDQHO
$OO H[WHUQDO VLJQDOV DUH FRQQHFWHG WR WKH WHUPLQDO
EORFN ZKLFK LV PRXQWHG ZLWKRXW VFUHZV DW WKH UHDU
RI WKH KRXVLQJ )RU HDFK HOHFWULFDO FRQQHFWLRQ
RQH VFUHZHG WHUPLQDO IRU WKH XVH RI XS WR WZR ULQJ
FDEOH OXJV LV SURYLGHG $OWHUQDWLYHO\ XS WR WZR VRO
LG EDUH ZLUHV HYHQ ZLWK GLIIHUHQW GLDPHWHU FDQ EH
FRQQHFWHG GLUHFWO\ 8VH FRSSHU FRQGXFWRUV RQO\
)RU GLPHQVLRQV SOHDVH UHIHU WR )LJXUH 
 6-4  4'444  LQ KRXVLQJ ;3 ZLWK WHUPL
QDO WRS DQG ERWWRP IRU SDQHO VXUIDFH PRXQWLQJ
7KH KRXVLQJ LV EXLOW RI D PHWDO WXEH DQG FDUULHV IL[
LQJ DQJOHV IRU PRXQWLQJ RQ WKH SDQHO
$OO H[WHUQDO VLJQDOV DUH FRQQHFWHG WR VFUHZHG WHU
PLQDOV ZKLFK DUH DUUDQJHG RYHU FXWRXWV RQ WKH
WRS DQG ERWWRP FRYHUV 7KH WHUPLQDOV DUH QXP
EHUHG FRQVHFXWLYHO\ IURP OHIW WR ULJKW DW WKH ERW
WRP DQG WRS 8VH FRSSHU FRQGXFWRUV RQO\
)RU GLPHQVLRQV SOHDVH UHIHU WR )LJXUH 
 6-4  4(444  LQ KRXVLQJ ;3 IRU SDQHO
IOXVK PRXQWLQJ RU FXELFOH LQVWDOODWLRQ
7KH KRXVLQJ LV EXLOW RI D PHWDO WXEH DQG FDUULHV IL[
LQJ DQJOHV IRU PRXQWLQJ LQWR WKH SDQHO FXWRXW RU
LQWR WKH FXELFOH UDFN
$OO H[WHUQDO VLJQDOV DUH FRQQHFWHG WR D FRQQHFWRU
EORFN ZKLFK LV PRXQWHG ZLWKRXW VFUHZV DW WKH UHDU
RI WKH KRXVLQJ )RU HDFK HOHFWULFDO FRQQHFWLRQ
RQH VFUHZHG WHUPLQDO IRU WKH XVH RI XS WR WZR ULQJ
FDEOH OXJV DQG RQH SDUDOOHO VQDSLQ WHUPLQDO DUH
SURYLGHG )RU ILHOG ZLULQJ WKH XVH RI WKH VFUHZHG
WHUPLQDOV LV UHFRPPHQGHG VQDSLQ FRQQHFWLRQ
UHTXLUHV VSHFLDO WRROV 8VH FRSSHU FRQGXFWRUV
RQO\
)RU GLPHQVLRQV SOHDVH UHIHU WR )LJXUH 
www . ElectricalPartManuals . com