Download Print this page

Hitachi L300P series Instruction Manual page 223

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

Advertisement

'LRGH
$ VHPLFRQGXFWRU GHYLFH WKDW KDV D YROWDJHFXUUHQW FKDUDFWHULVWLF WKDW DOORZV FXUUHQW WR IORZ
RQO\ LQ RQH GLUHFWLRQ ZLWK QHJOLJLEOH OHDNDJH FXUUHQW LQ WKH UHYHUVH GLUHFWLRQ 6HH DOVR UHFWLILHU
'XW\ &\FOH
 7KH SHUFHQW RI WLPH D VTXDUH ZDYH RI IL[HG IUHTXHQF\ LV 21 KLJK YHUVXV 2)) ORZ   7KH
UDWLR RI RSHUDWLQJ WLPH RI D PRWRU EUDNLQJ UHVLVWRU HWF WR LWV UHVWLQJ WLPH 7KLV SDUDPHWHU
XVXDOO\ LV VSHFLILHG LQ DVVRFLDWLRQ ZLWK WKH DOORZDEOH WKHUPDO ULVH IRU WKH GHYLFH
'\QDPLF %UDNLQJ
7KH LQYHUWHU G\QDPLF EUDNLQJ IHDWXUH VKXQWV WKH PRWRUJHQHUDWHG (0) HQHUJ\ LQWR D VSHFLDO
EUDNLQJ UHVLVWRU 7KH DGGHG GLVVLSDWLRQ EUDNLQJ WRUTXH LV HIIHFWLYH DW KLJKHU VSHHGV KDYLQJ D
UHGXFHG HIIHFW DV WKH PRWRU QHDUV D VWRS
(UURU
,Q SURFHVV FRQWURO WKH HUURU LV WKH GLIIHUHQFH EHWZHHQ WKH GHVLUHG YDOXH RU VHWSRLQW 63 DQG WKH
DFWXDO YDOXH RI D WKH SURFHVV YDULDEOH 39  6HH DOVR SURFHVV YDULDEOH DQG 3,' /RRS
(0,
(OHFWURPDJQHWLF ,QWHUIHUHQFH  ,Q PRWRUGULYH V\VWHPV WKH VZLWFKLQJ RI KLJK FXUUHQWV DQG
YROWDJHV FUHDWHV WKH SRVVLELOLW\ RI JHQHUDWLQJ UDGLDWHG HOHFWULFDO QRLVH WKDW PD\ LQWHUIHUH ZLWK
WKH RSHUDWLRQ RI QHDUE\ VHQVLWLYH HOHFWULFDO LQVWUXPHQWV RU GHYLFHV &HUWDLQ DVSHFWV RI DQ LQVWDO
ODWLRQ VXFK DV ORQJ PRWRU OHDG ZLUH OHQJWKV WHQG WR LQFUHDVH WKH FKDQFH RI (0, +LWDFKL
SURYLGHV DFFHVVRU\ ILOWHU FRPSRQHQWV \RX FDQ LQVWDOO WR GHFUHDVH WKH OHYHO RI (0,
)RXUTXDGUDQW
5HIHUULQJ WR D JUDSK RI WRUTXH YHUVXV VSHHG D IRXUTXDGUDQW GULYH FDQ WXUQ WKH PRWRU HLWKHU
RSHUDWLRQ
IRUZDUG RU UHYHUVH DV ZHOO DV GHFHOHUDWH LQ HLWKHU GLUHFWLRQ VHH DOVR UHYHUVH WRUTXH  $ ORDG WKDW
KDV D UHODWLYHO\ KLJK LQHUWLD DQG PXVW PRYH LQ ERWK GLUHFWLRQV DQG FKDQJH GLUHFWLRQV UDSLGO\
UHTXLUHV IRXUTXDGUDQW FDSDELOLW\ IURP LWV GULYH
)UHHUXQ 6WRS
$ PHWKRG RI VWRSSLQJ D PRWRU FDXVHG ZKHQ WKH LQYHUWHU VLPSO\ WXUQV 2)) LWV PRWRU RXWSXW
FRQQHFWLRQV 7KLV PD\ DOORZ WKH PRWRU DQG ORDG WR FRDVW WR D VWRS RU D PHFKDQLFDO EUDNH PD\
LQWHUYHQH DQG VKRUWHQ WKH GHFHOHUDWLRQ WLPH
)UHTXHQF\
:KLOH IUHTXHQF\ KDV D EURDG PHDQLQJ LQ HOHFWURQLFV LW W\SLFDOO\ UHIHUV WR PRWRU VSHHG IRU
6HWWLQJ
YDULDEOHIUHTXHQF\ GULYHV LQYHUWHUV  7KLV LV EHFDXVH WKH RXWSXW IUHTXHQF\ RI WKH LQYHUWHU LV
YDULDEOH DQG LV SURSRUWLRQDO WR WKH DWWDLQHG PRWRU VSHHG )RU H[DPSOH D PRWRU ZLWK D EDVH
IUHTXHQF\ RI  +] FDQ EH VSHHG FRQWUROOHG ZLWK DQ LQYHUWHU RXWSXW YDU\LQJ IRUP  WR  +]
6HH DOVR EDVH IUHTXHQF\ FDUULHU IUHTXHQF\ DQG VOLS
+DUPRQLFV
$ KDUPRQLF LV D ZKROH QXPEHU PXOWLSOH RI D EDVH RI IXQGDPHQWDO IUHTXHQF\ 7KH VTXDUH ZDYHV
XVHG LQ LQYHUWHUV SURGXFH KLJKIUHTXHQF\ KDUPRQLFV HYHQ WKRXJK WKH PDLQ JRDO LV WR SURGXFH
ORZHUIUHTXHQF\ VLQH ZDYHV 7KHVH KDUPRQLFV FDQ EH KDUPIXO WR HOHFWURQLFV LQFOXGLQJ PRWRU
ZLQGLQJV DQG FDXVH UDGLDWHG HQHUJ\ WKDW LQWHUIHUHV ZLWK QHDUE\ HOHFWURQLF GHYLFHV &KRNHV OLQH
UHDFWRUV DQG ILOWHUV DUH VRPHWLPHV XVHG WR VXSSUHVV WKH WUDQVPLVVLRQ RI KDUPRQLFV LQ DQ HOHFWUL
FDO V\VWHP 6HH DOVR FKRNH
+RUVHSRZHU
$ XQLW RI SK\VLFDO PHDVXUH WR TXDQWLI\ WKH DPRXQW RI ZRUN GRQH SHU XQLW RI WLPH <RX FDQ
GLUHFWO\ FRQYHUW EHWZHHQ KRUVHSRZHU DQG :DWWV DV PHDVXUHPHQWV RI SRZHU
,*%7
,QVXODWHG *DWH %LSRODU 7UDQVLVWRU ,*%7  $ VHPLFRQGXFWRU WUDQVLVWRU FDSDEOH RI FRQGXFW
LQJ YHU\ ODUJH FXUUHQWV ZKHQ LQ VDWXUDWLRQ DQG FDSDEOH RI ZLWKVWDQGLQJ YHU\ KLJK YROWDJHV ZKHQ
LW LV 2)) 7KLV KLJKSRZHU ELSRODU WUDQVLVWRU LV WKH W\SH XVHG LQ +LWDFKL LQYHUWHUV
,QHUWLD
7KH QDWXUDO UHVLVWDQFH RI DQ REMHFW WR EHLQJ DFFHOHUDWHG RU GHFHOHUDWHG E\ DQ H[WHUQDO IRUFH 6HH
DOVR PRPHQWXP
,QWHOOLJHQW
$ FRQILJXUDEOH LQSXW RU RXWSXW ORJLF IXQFWLRQ RQ WKH +LWDFKL LQYHUWHUV (DFK WHUPLQDO PD\ EH
7HUPLQDO
DVVLJQHG RQH RI VHYHUDO IXQFWLRQV
,QYHUWHU
$ GHYLFH WKDW HOHFWURQLFDOO\ FKDQJHV '& WR $& FXUUHQW WKURXJK D DOWHUQDWLQJ SURFHVV RI VZLWFK
LQJ WKH LQSXW WR WKH RXWSXW LQYHUWHG DQG QRQLQYHUWHG $ YDULDEOH VSHHG GULYH VXFK DV WKH +LWDFKL
/3 LV DOVR FDOOHG DQ LQYHUWHU VLQFH LW FRQWDLQV WKUHH LQYHUWHU FLUFXLWV WR JHQHUDWH SKDVH
RXWSXW WR WKH PRWRU
$±
/3 ,QYHUWHU

Advertisement

loading