Download Print this page

Hitachi L300P series Instruction Manual page 189

Three-phase input 200v class/400v class
Hide thumbs Also See for L300P series:

Advertisement

&RQILJXULQJ WKH ,QYHUWHU IRU 0XOWLSOH 0RWRUV
6LPXOWDQHRXV
)RU VRPH DSSOLFDWLRQV \RX PD\ QHHG WR FRQQHFW WZR
&RQQHFWLRQV
RU PRUH PRWRUV ZLUHG LQ SDUDOOHO WR D VLQJOH
LQYHUWHU¶V RXWSXW )RU H[DPSOH WKLV LV FRPPRQ LQ
FRQYH\RU DSSOLFDWLRQV ZKHUH WZR VHSDUDWH FRQYH\RUV
QHHG WR KDYH DSSUR[LPDWHO\ WKH VDPH VSHHG 7KH XVH
RI WZR PRWRUV PD\ EH OHVV H[SHQVLYH WKDQ PDNLQJ WKH
PHFKDQLFDO OLQN IRU RQH PRWRU WR GULYH PXOWLSOH
FRQYH\RUV
6RPH RI WKH UHTXLUHPHQWV ZKHQ XVLQJ PXOWLSOH
PRWRUV ZLWK RQH GULYH DUH
‡ 7KH LQYHUWHU RXWSXW PXVW EH UDWHG WR KDQGOH WKH VXP RI WKH FXUUHQWV IURP WKH PRWRUV
‡ <RX PXVW XVH VHSDUDWH WKHUPDO SURWHFWLRQ VZLWFKHV RU GHYLFHV WR SURWHFW HDFK PRWRU /RFDWH
‡ 7KH ZLULQJ IRU WKH PRWRUV PXVW EH SHUPDQHQWO\ FRQQHFWHG LQ SDUDOOHO GR QRW UHPRYH RQH
NOTE: 7KH PRWRU VSHHGV DUH LGHQWLFDO RQO\ LQ WKHRU\ 7KDW LV EHFDXVH VOLJKW GLIIHUHQFHV LQ
WKHLU ORDGV ZLOO FDXVH RQH PRWRU WR VOLS D OLWWOH PRUH WKDQ DQRWKHU HYHQ LI WKH PRWRUV DUH LGHQWL
FDO 7KHUHIRUH GR QRW XVH WKLV WHFKQLTXH IRU PXOWLD[LV PDFKLQHU\ WKDW PXVW PDLQWDLQ D IL[HG
SRVLWLRQ UHIHUHQFH EHWZHHQ LWV D[HV
,QYHUWHU
6RPH HTXLSPHQW PDQXIDFWXUHUV PD\ KDYH D VLQJOH W\SH RI PDFKLQH WKDW KDV WR VXSSRUW WKUHH
&RQILJXUDWLRQ IRU
GLIIHUHQW PRWRU W\SHV²DQG RQO\ RQH PRWRU ZLOO EH FRQQHFWHG DW D WLPH )RU H[DPSOH DQ 2(0
PD\ VHOO EDVLFDOO\ WKH VDPH PDFKLQH WR WKH 86 PDUNHW DQG WKH (XURSHDQ PDUNHW 6RPH UHDVRQV
0XOWLSOH 0RWRU
ZK\ WKH 2(0 QHHGV WZR PRWRU SURILOHV DUH
7\SHV
‡ 7KH LQYHUWHU SRZHU LQSXW YROWDJH LV GLIIHUHQW IRU WKHVH PDUNHWV
‡ 7KH UHTXLUHG PRWRU W\SH LV DOVR GLIIHUHQW IRU HDFK GHVWLQDWLRQ
,Q RWKHU FDVHV WKH LQYHUWHU QHHGV WZR SURILOHV EHFDXVH WKH PDFKLQH FKDUDFWHULVWLFV YDU\ DFFRUG
LQJ WR WKHVH VLWXDWLRQV
‡ 6RPHWLPHV WKH PRWRU ORDG LV YHU\ OLJKW DQG FDQ PRYH IDVW 2WKHU WLPHV WKH PRWRU ORDG LV
‡ 6RPHWLPHV WKH VORZHU YHUVLRQ RI WKH PDFKLQH GRHV QRW KDYH VSHFLDO EUDNLQJ RSWLRQV EXW D
+DYLQJ PXOWLSOH PRWRU SURILOHV OHWV \RX VWRUH GLIIHUHQW ³SHUVRQDOLWLHV´ IRU PRWRUV LQ RQH
LQYHUWHU¶V PHPRU\ 7KH LQYHUWHU DOORZV WKH ILQDO VHOHFWLRQ EHWZHHQ WZR PRWRU W\SHV WR EH PDGH
LQ WKH ILHOG WKURXJK WKH XVH RI WKH LQWHOOLJHQW LQSXW WHUPLQDO IXQFWLRQV >6(7@ 7KLV SURYLGHV DQ
H[WUD OHYHO RI IOH[LELOLW\ QHHGHG LQ SDUWLFXODU VLWXDWLRQV 6HH WKH IROORZLQJ SDJH
WKH GHYLFH IRU HDFK PRWRU LQVLGH WKH PRWRU KRXVLQJ RU DV FORVH WR LW DV SRVVLEOH
PRWRU IURP WKH FLUFXLW GXULQJ RSHUDWLRQ 
KHDY\ DQG PXVW PRYH VORZHU 8VLQJ WZR SURILOHV DOORZV WKH PRWRU VSHHG DFFHOHUDWLRQ DQG
GHFHOHUDWLRQ WR EH RSWLPDO IRU WKH ORDG DQG DYRLG LQYHUWHU WULS IDXOW HYHQWV
KLJKHU SHUIRUPDQFH YHUVLRQ GRHV KDYH EUDNLQJ IHDWXUHV
/3 ,QYHUWHU
87
97
,QYHUWHU
0RWRU 
:7
0RWRU 
WR 1WK PRWRU
±

Advertisement

loading