Mitsubishi Electric FR-A500 Series Technical Manual page 200

ëô 6HTXHQWLDO VWDUW
1)%
,QYHUWHU
:KHQ PRWRUV DUH VWDUWHG IURP WKH ILUVW RQHï
:KHQ WKH FXUUHQW OLPLW IXQFWLRQ LV DFWLYDWHGñ WKH
IUHTXHQF\ FKDQJHV DEUXSWO\ï ,Q D VHTXHQWLDO
VWDUWñ WKHUHIRUHñ WKH VSHHGV RI WKH PRWRUV
DOUHDG\ VWDUWHG FKDQJH VXGGHQO\ï
$FFRUGLQJ WR WKH PDFKLQH VSHFLILFDWLRQVñ
WKHUHIRUHã
x :KHQ WKH IDVWðUHVSRQVH FXUUHQW OLPLW
IXQFWLRQ RI WKH LQYHUWHU LV XWLOL]HG WR
PLQLPL]H WKH LQYHUWHU FDSDFLW\
5DWHG LQYHUWHU RXWSXW FXUUHQW t
VXP RI UDWHG FXUUHQWV RI DOO PRWRUV u ìïì
x :KHQ LW LV QRW GHVLUHG WR DIIHFW WKH
PRWRUV DOUHDG\ VWDUWHG á7KH SRLQW LV WR
PDNH VHOHFWLRQ VR WKDW WKH FXUUHQW OLPLW
IXQFWLRQ LV QRW DFWLYDWHG!
5DWHG LQYHUWHU RXWSXW FXUUHQW t VXP RI
UDWHG FXUUHQWV RI PRWRUV DOUHDG\ VWDUWHG
u ìïì ò VWDUWLQJ FXUUHQW RI PRWRU VWDUWHG
ODVW õ1RWHô
1RWHã 0RWRU VWDUWLQJ FXUUHQWã 6HOHFW WKH
LQYHUWHU VR WKDW WKH VWDUWLQJ FXUUHQW RI
WKH PRWRU LV ç WR å WLPHV JUHDWHU WKDQ
WKH UDWHG FXUUHQW RI WKH PRWRUï
>([DPSOH@2SHUDWLRQ RI WKUHH 6)ð-5 ìïèN:
éðSROH PRWRUV õUDWHG FXUUHQW çïí$ñ
VWDUWLQJ FXUUHQW éåïé$ô
x :KHQ WKH IDVWðUHVSRQVH FXUUHQW OLPLW IXQFWLRQ
RI WKH LQYHUWHU LV XWLOL]HG WR PLQLPL]H WKH
LQYHUWHU FDSDFLW\
6HOHFW WKH )5ð$èëíðèïè. LQYHUWHU UDWHG DW
õçïí$ u WKUHH PRWRUV u ìïì ô ìäïå$ RU PRUH
DQG KDYLQJ FXUUHQW OLPLW IXQFWLRQï
x :KHQ LW LV QRW GHVLUHG WR DIIHFW WKH PRWRUV
DOUHDG\ VWDUWHG
6HOHFW WKH )5ð$èëíðìåïè. LQYHUWHU UDWHG DW
õçïí$ u WZR PRWRUV u ìïì ò éåïé$ ô çìïç$ RU
PRUH DQG KDYLQJ FXUUHQW OLPLW IXQFWLRQï
0&ì
,0
ì
0&
,0
ë
õéô 6SHFLDO PRWRU õHïJï FRQVWDQWðWRUTXH PRWRU
ìäì
õêô /LJKW PRWRU ORDG
&20021
,I WKH ORDG LV H[WUHPHO\ OLJKW DV FRPSDUHG WR WKH
UDWHG WRUTXH RI WKH PRWRU XVHGñ WKH PRWRU FXUUHQW
LV VPDOOHU WKDQ WKH UDWHG FXUUHQWï +HQFHñ FRVW PD\
EH UHGXFHG E\ XVLQJ DQ LQYHUWHU KDYLQJ D VPDOOHU
UDWHG FDSDFLW\ WKDQ WKH PRWRU FDSDFLW\ï ,Q WKLV
FDVHñ WKH IROORZLQJ PXVW EH QRWHG LQ GHWHUPLQLQJ
WKH UDWHG LQYHUWHU FDSDFLW\ã
$Q H[FLWLQJ FXUUHQW õQRðORDG FXUUHQWôñ êí WR èíø RI
WKH UDWHG PRWRU FXUUHQWñ IORZV LQ D VWDQGDUG PRWRUñ
LI XQGHU QR ORDGï )RU WKLV UHDVRQñ DQ LQYHUWHU ZLWK
H[WUHPHO\ VPDOO UDWHG FDSDFLW\ FDQQRW EH XVHGï
8QGHU D OLJKW ORDGñ WKH ULSSOH IDFWRU RI WKH FXUUHQW
LV KLJKHU WKDQ WKDW XQGHU D UDWHG ORDG LI WKH
HIIHFWLYH FXUUHQW YDOXH LV WKH VDPHï 6LQFH WKH
LQYHUWHU GHWHFWV WKH LQVWDQWDQHRXV FUHVW YDOXH RI
WKH PRWRU FXUUHQW WR SURYLGH SURWHFWLRQ DJDLQVW
RYHUFXUUHQWñ WKH FXUUHQW OLPLW IXQFWLRQ PD\ EH
DFWLYDWHG DW WKH FUHVW YDOXH GXH WR D ULSSOH HYHQ LI
WKH HIIHFWLYH FXUUHQW YDOXH LV VPDOOï
)RU OLJKWðORDG RSHUDWLRQñ WKHUHIRUHñ LW LV WKH EHVW
SROLF\ WR VHOHFW WKH LQYHUWHU FDSDFLW\ ZKLFK
FRUUHVSRQGV WR WKH FDSDFLW\ RI WKH PRWRU XVHGï
GHGLFDWHG WR LQYHUWHU XVHô
'LIIHUHQW LQ PRWRU HOHFWULFDO FLUFXLW FRQVWDQWV IURP
D VWDQGDUG PRWRUñ D PRWRU GHGLFDWHG WR LQYHUWHU
IRU LQFUHDVHG WRUTXH DW ORZ IUHTXHQF\ PD\ EH
PRUH LQVWDEOH LQ PRWRU FKDUDFWHULVWLF RU EH ODUJHU
LQ FXUUHQW ULSSOH HVSHFLDOO\ LQ WKH ORZ IUHTXHQF\
UDQJH õDERXW ëí+] RU OHVVôï :KHQ WKH LQYHUWHU LV
XVHG ZLWK VXFK D VSHFLDO PRWRU õGLIIHUHQW LQ
HOHFWULFDO GHVLJQ IURP WKH VWDQGDUG PRWRUôñ VHOHFW
WKH LQYHUWHU FDSDFLW\ DIWHU IXOO\ FKHFNLQJ WKH PRWRU
FKDUDFWHULVWLFVñ QRWLQJ WKH IROORZLQJã
ìô &KRRVH WKH LQYHUWHU FDSDFLW\ RQH RU WZR UDQNV
KLJKHU WKDQ WKH VWDQGDUGï
ëô 0DWFK WKH 9î) SDWWHUQ
FKDUDFWHULVWLF XVLQJ
3Uï
êô ,QVHUW D UHDFWRU õ)5ð%2/ô LQ WKH LQYHUWHU RXWSXW
FLUFXLW WR VXSSUHVV WKH FXUUHQW ULSSOH RI WKH
PRWRUï
6(/(&7,21
ZLWK WKH PRWRU
í õWRUTXH ERRVWôï