Psuryhphqw Ri 3Rzhu )Dfwru; Quxvk &Xuuhqw - Mitsubishi Electric FR-A500 Series Technical Manual

Transistored inverter
Hide thumbs Also See for FR-A500 Series:
Table of Contents

Advertisement

ëïéïë

,PSURYHPHQW RI 3RZHU )DFWRU

$ ZLGHVSUHDG PHWKRG RI LPSURYLQJ WKH SRZHU IDFWRU
LV WR LQVHUW D UHDFWRU LQ WKH $& RU '& VLGH RI WKH
FRQYHUWHU LQ RUGHU WR VPRRWK WKH FXUUHQWï õ7KH
LQYHUWHU LQSXW SRZHU IDFWRU LV QRW LPSURYHG LI D
SRZHUðIDFWRU FRUUHFWLQJ SRZHU FDSDFLWRU LV LQVHUWHG LQ
WKH LQSXW FLUFXLWï $ FDSDFLWRU PXVW QRW EH LQVHUWHG LQ
WKH RXWSXW FLUFXLWï ,I LQVHUWHGñ WKH FDSDFLWRU ZLOO EH
GDPDJHG E\ WKH KDUPRQLF FXUUHQW RI WKH LQYHUWHUïô
%\ FRQQHFWLQJ WKH RSWLRQDO )5ð%$/ RU )5ð%(/
SRZHUðIDFWRU FRUUHFWLQJ UHDFWRU WR WKH LQYHUWHUñ WKH
FXUUHQW ZDYHIRUP LV LPSURYHG DQG WKH SRZHU IDFWRU
FRUUHFWHG DV VKRZQ LQ )LJõEôï ,Q DGGLWLRQñ WKH
HIIHFWLYH YDOXH RI WKH LQSXW FXUUHQW LV UHGXFHGï
7KH LQYHUWHU LQSXW FXUUHQW LV LQIOXHQFHG E\ WKH
UHDFWDQFH RI WKH SRZHU VXSSO\ OLQH DQG WKDW RI WKH
LQSXW WUDQVIRUPHUï :KHQ WKH UHDFWDQFH RI WKH SRZHU
VXSSO\ OLQH LV ODUJHUñ WKH SRZHU IDFWRU LV KLJKHU DQG
WKH LQSXW FXUUHQW LV VPDOOHUï
ëïéïê
,QUXVK &XUUHQW
,Q D 3:0 LQYHUWHU ZKLFK FRPSULVHV RI D FDSDFLWRUð
LQSXW ILOWHU FLUFXLWñ DQ LQUXVK FXUUHQW IORZV LQWR WKH
VPRRWKLQJ HOHFWURO\WLF FDSDFLWRU ZKHQ WKH LQSXW 1)%
LV VZLWFKHG RQï 7KLV LQUXVK FXUUHQWñ ZKLFK IORZV RQO\
IRU WKH FDSDFLWRU FKDUJLQJ WLPHñ LV H[WUHPHO\ ODUJH
GHVSLWH LWV VKRUW GXUDWLRQï 6LQFH WKH LQUXVK FXUUHQW LV
LQYHUVHO\ SURSRUWLRQDO WR WKH LPSHGDQFH RI WKH SRZHU
VXSSO\ñ WKH LQUXVK FXUUHQW LQFUHDVHV LQ SURSRUWLRQ WR
WKH ULVH LQ SRZHU VXSSO\ FDSDFLW\ï
Dô :LWKRXW SRZHUðIDFWRU FRUUHFWLQJ UHDFWRU
Eô :LWK SRZHUðIDFWRU FRUUHFWLQJ UHDFWRU
,QYHUWHU ,QSXW &XUUHQW :DYHIRUPV
7R VXSSUHVV WKH LQUXVK FXUUHQWñ DQ LQUXVK FXUUHQW
VXSSUHVVLQJ UHVLVWRU RI VKRUWðGXUDWLRQ UDWLQJ LV
SURYLGHG LQ WKH FRQYHUWHU FLUFXLW RI WKH DOO PRGHOV RI
DQG ëïë. WR æïè. PRGHOV RI
$èíí
VZLWFKLQJ WKH LQYHUWHU SRZHU VXSSO\ RQîRII IUHTXHQWO\ï
7KH LQUXVK FXUUHQW RFFXUULQJ IUHTXHQWO\ DW SRZHUðRQ
PD\
GHWHULRUDWH
VXSSUHVVLQJ FLUFXLW RU GDPDJH WKH UHFWLILHU FLUFXLWñ IRU
H[DPSOHï
(VSHFLDOO\ ZKHQ WKH SRZHU VXSSO\ FDSDFLW\ LV ODUJHñ
XVH WKH RSWLRQDO SRZHU IDFWRU LPSURYLQJ UHDFWRU
õ)5ð%$/ RU )5ð%(/ô LQ DFFRUGDQFH ZLWK WKH
VHOHFWLRQ FRQGLWLRQVï
ëìé
6(/(&7,21
9ROWDJH
&XUUHQW
9ROWDJH
&XUUHQW
(èíí
RU
VKRUW
WKH
LQUXVK
ï $YRLG
FXUUHQW

Advertisement

Table of Contents
loading

This manual is also suitable for:

Fr-e500 series

Table of Contents