Siemens 7SA513 - Synchronism and voltage check (optional)

0HWKRG RI RSHUDWLRQ6$
9
&*&
 6\QFKURQLVP DQG YROWDJH FKHFN RSWLRQDO
7KH V\QFKURQLVP DQG YROWDJH FKHFN IXQFWLRQ ZLOO HQ
VXUH ZKHQ VZLWFKLQJ D OLQH FLUFXLW RQWR D EXVEDU
WKDW WKH VWDELOLW\ RI WKH QHWZRUN ZLOO QRW EH HQGDQ
JHUHG 7KH IXQFWLRQ FDQ EH SURJUDPPHG WR SHUIRUP
WKH V\QFKURFKHFN RQO\ IRU DXWRUHFORVH RQO\ IRU
PDQXDO FORVH RU IRU ERWK FDVHV 'LIIHUHQW SHUPLV
VLRQ FULWHULD FDQ DOVR EH SURJUDPPHG IRU DXWRPDWLF
UHFORVXUH DQG IRU PDQXDO FORVXUH
6$
3URWHFWLRQ
$5
6\QF
%XVEDU
)HHGHU
/
'LVFUHS
DQF\
FRQWURO
VZLWFK
, 8
8
75,3
&/26(
)LJXUH  6\QFKURFKHFN RQ FORVLQJ
)RU FRPSDULVRQ RI WKH WZR YROWDJHV WKH V\QFKUR
FKHFN HOHPHQW XVHV WKH IHHGHU YROWDJH 8 DQG DQ
DGGLWLRQDOO\ FRQQHFWHG EXVEDU YROWDJH 8 7KH ODW
WHU FDQ EH DQ\ FRQYHQLHQW SKDVHHDUWK RU SKDVH
SKDVH YROWDJH IURP WKH EXVEDU YROWDJH WUDQVIRUP
HUV
6$
3URWHFWLRQ
6\QF
%XVEDU
, 8
8
/
75,3
&/26(
)LJXUH  6\QFKURFKHFN DFURVV WUDQVIRUPHU
:KHQ D SRZHU WUDQVIRUPHU OLHV EHWZHHQ WKH IHHGHU
YROWDJH WUDQVIRUPHU DQG WKH EXVEDU YROWDJH WUDQV
IRUPHU )LJXUH  LWV YHFWRU JURXS FDQ EH
PDWFKHG DW WKH 6$ UHOD\ VR WKDW QR H[WHUQDO
PDWFKLQJ WUDQVIRUPHUV DUH QHFHVVDU\
7KH V\QFKURFKHFN IXQFWLRQ LQ 6$ QRUPDOO\ RS
HUDWHV LQ FRQMXQFWLRQ ZLWK WKH LQWHJUDWHG DXWRUH
FORVH DQG PDQXDO FORVH IXQFWLRQV ,W LV KRZHYHU SRV
VLEOH WR RSHUDWH ZLWK DQ H[WHUQDO SURWHFWLRQ UHOD\
DQGRU ZLWK DQ H[WHUQDO DXWRUHFORVH UHOD\ ,Q WKLV
FDVH WKH VLJQDO H[FKDQJH EHWZHHQ WKH GHYLFHV
PXVW EH SHUIRUPHG WKURXJK ELQDU\ LQSXWV DQG RXW
SXWV
)XUWKHUPRUH V\QFKURQRXV RU DV\QFKURQRXV VZLWFK
LQJ LV SRVVLEOH 6\QFKURQRXV VZLWFKLQJ PHDQV WKDW
WKH FORVLQJ FRPPDQG LV JLYHQ DV VRRQ DV WKH FULWLFDO
YDOXHV YROWDJH PDJQLWXGH GLIIHUHQFH '8 DQJOH GLI
IHUHQFH ' DQG IUHTXHQF\ GLIIHUHQFH 'I OLH ZLWKLQ
WKH VHW WROHUDQFHV )RU DV\QFKURQRXV VZLWFKLQJ WKH
GHYLFH FDOFXODWHV WKH FRUUHFW WLPLQJ RI WKH FORVLQJ
FRPPDQG IURP WKH DQJOH GLIIHUHQFH ' DQG WKH IUH
TXHQF\ GLIIHUHQFH 'I VXFK WKDW WKH YROWDJHV DW WKH
EXVEDU DQG WKH IHHGHU FLUFXLW DUH H[DFWO\ WKH VDPH
DW WKH LQVWDQW WKDW WKH FLUFXLW EUHDNHU FRQWDFWV WRXFK
)RU WKDW SXUSRVH WKH FLUFXLW EUHDNHU FORVLQJ WLPH
PXVW EH SURJUDPPHG LQWR WKH UHOD\ )RU V\QFKUR
QRXV DQG DV\QFKURQRXV VZLWFKLQJ GLIIHUHQW IUH
TXHQF\ GLIIHUHQFH OLPLWV FDQ EH SURJUDPPHG
7KH V\QFKURFKHFN IXQFWLRQ RSHUDWHV RQO\ ZKHQ LW LV
UHTXHVWHG WR GR VR 7KLV UHTXHVW FDQ FRPH IURP WKH
LQWHUQDO DXWRUHFORVH IXQFWLRQ IURP WKH PDQXDO FORV
LQJ FRPPDQG RU IURP DQ H[WHUQDO DXWRUHFORVH UHOD\
E\ ELQDU\ LQSXW
7KH V\QFKURFKHFN IXQFWLRQ JLYHV SHUPLVVLRQ IRU
SDVVDJH RI WKH FORVLQJ FRPPDQG
2SWLRQDOO\ D FORVLQJ FRPPDQG FDQ EH JLYHQ E\ WKH
V\QFKURFKHFN IXQFWLRQ 7KLV FDQ FRQWURO WKH FORVLQJ
FRLO RI WKH FLUFXLW EUHDNHU RU $5 FORVLQJ FRPPDQG
DQG V\QFKURFKHFN FORVLQJ FRPPDQG FDQ EH FRQ
QHFWHG LQ VHULHV
7KH SHUPLVVLRQ WLPH ZLQGRZ LV OLPLWHG E\ DQ DGMXVW
DEOH V\QFKURQRXV PRQLWRULQJ WLPH :LWKLQ WKLV SHUL
RG WKH SURJUDPPHG FRQGLWLRQV PXVW KDYH EHHQ
PHW RWKHUZLVH FORVLQJ SHUPLVVLRQ ZLOO QRW EH JLYHQ
$ QHZ V\QFKURFKHFN VHTXHQFH UHTXLUHV D QHZ UH
TXHVW
www . ElectricalPartManuals . com