Qvwdqwdqhrxv 3Rzhu )Dloxuh; Rzhu 6Xsso\ 9Rowdjh 9Duldwlrq; Pedodqfhg 3Rzhu 6Xsso\ 9Rowdjh - Mitsubishi Electric FR-A500 Series Technical Manual

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

Advertisement

ëïéïé

,QVWDQWDQHRXV 3RZHU )DLOXUH

,I DQ LQVWDQWDQHRXV SRZHU IDLOXUH KDV RFFXUUHG
õìèPV RU ORQJHUôñ WKH LQYHUWHU SURWHFWLYH FLUFXLW LV
DFWLYDWHG WR FRDVW WKH PRWRU WR D VWRSï õ6HH 6HFWLRQ
ìïéïìïõëô õêôô
:KHQ WKH SRZHU LV UHVWRUHG LQ OHVV WKDQ DERXW èí WR
ìííPVñ WKH LQVWDQWDQHRXV SRZHU IDLOXUH SURWHFWLYH
FLUFXLW LV NHSW DFWLYDWHG DQG WKH PRWRU GRHV QRW
UHVWDUWï :KHQ WKH LQVWDQWDQHRXV SRZHU IDLOXUH WLPH LV
DSSUR[LPDWHO\ èí WR ìííPV RU ORQJHUñ WKH LQYHUWHU LV
ëïéïè

3RZHU 6XSSO\ 9ROWDJH 9DULDWLRQ

7KH SHUPLVVLEOH YROWDJH YDULDWLRQ UDQJH VKRXOG EH
ZLWKLQ WKH UDQJH IURP òìíø WR ðìèø RI WKH UDWHG
YROWDJHï ,I WKH SRZHU VXSSO\ YROWDJH ULVHV VKDUSO\ñ WKH
VHPLFRQGXFWRU GHYLFHV DQG HOHFWURO\WLF FDSDFLWRU
PD\ EH GDPDJHGñ DGYHUVHO\ DIIHFWLQJ WKH FRQWURO
WUDQVIRUPHUñ PDJQHWLF FRQWDFWRU IRU VKRUWLQJ WKH
LQUXVK FXUUHQW SUHYHQWLQJ UHVLVWRUñ DQG WKH OLNHï ,Q
DGGLWLRQñ WKH UHJHQHUDWLYH EUDNH FDSDELOLW\ ZLOO EH
UHGXFHGñ PRUH RIWHQ UHVXOWLQJ LQ 29ì WR 29ê
õUHJHQHUDWLYH RYHUYROWDJHôï
ëïéïç

,PEDODQFHG 3RZHU 6XSSO\ 9ROWDJH

,I D VPDOO LPEDODQFH RFFXUV LQ WKH SRZHU VXSSO\
YROWDJH RI WKH LQYHUWHUñ WKH LQYHUWHU LQSXW FXUUHQW PD\
EH XQEDODQFHG JUHDWO\ï ,Q WKH ZRUVW FDVHñ WKH FXUUHQW
PD\ IORZ RQO\ LQ WZR SKDVHVï 7KLV WDNHV SODFH ZKHQ
WKH PRWRU LV RSHUDWHG E\ WKH LQYHUWHU XQGHU D OLJKW
ORDG RU DW ORZ VSHHGï :KHQ WKH FXUUHQW IORZLQJ LQ WKH
ORDG LV VPDOOñ WKH WHUPLQDO YROWDJH RI WKH VPRRWKLQJ
LQLWLDOðUHVHW DW WKH WLPH RI SRZHU UHVWRUDWLRQ DQG WKH
LQYHUWHU UHVWDUWV LI WKH VWDUW VLJQDO UHPDLQV RQï ,I WKH
PRWRU LV FRDVWLQJ DW WKLV WLPHñ D ODUJH FXUUHQW PD\
IORZ LQ WKH LQYHUWHU DQG DFWLYDWH WKH FXUUHQW OLPLW
IXQFWLRQï ,Q WKLV FDVHñ WKH PRWRU LV VXGGHQO\
GHFHOHUDWHGñ WKHQ UHDFFHOHUDWHGï 7R HQVXUH VPRRWK
UHVWDUW RI WKH FRDVWLQJ PRWRU DW WKH WLPH RI SRZHU
UHVWRUDWLRQñ XVH WKH DXWRPDWLF UHVWDUW IXQFWLRQ DIWHU
LQVWDQWDQHRXV SRZHU IDLOXUHï
&RQYHUVHO\ñ LI WKH YROWDJH LV UHGXFHG JUHDWO\ñ
XQGHUYROWDJH SURWHFWLRQ õ897ô LV DFWLYDWHG DQG
RSHUDWLRQ
PD\
QRW
3DUWLFXODUO\ ZKHQ WKH SRZHU VXSSO\ LV VKDUHG
EHWZHHQ WKH LQYHUWHU DQG D ODUJHðFDSDFLW\ PRWRU
UHTXLULQJ D ORQJ VWDUWLQJ WLPHñ WKH SRZHU VXSSO\
YROWDJH PD\ GURS VKDUSO\ DW ZKHQ VWDUWLQJ WKH PRWRUï
)RU PRUH LQIRUPDWLRQ RQ SRZHU VXSSO\ XQGHUYROWDJHñ
UHIHU WR 6HFWLRQ ìïæïçï
FDSDFLWRU RQO\ IDOOV VORZO\ñ FDXVLQJ WKH LQSXW FXUUHQW
QRW WR IORZ LQ WKH SKDVH ORZHVW LQ $& SRZHU VXSSO\
YROWDJHï 7KLV LV QRW D IDXOW DQG WKH FXUUHQW LV
EDODQFHG ZKHQ WKH ORDG LQFUHDVHV RU ZKHQ WKH PRWRU
UHDFKHV WKH KLJKðVSHHG UDQJH DQG WKH LQSXW FXUUHQW
LQFUHDVHVï 7R ILQG WKH LQSXW FXUUHQWñ DYHUDJH WKH
FXUUHQWV PHDVXUHG DW DOO WKH WKUHH SKDVHVï
ëìè
6(/(&7,21
EH
SHUIRUPHG
SURSHUO\ï

Advertisement

Table of Contents
loading

This manual is also suitable for:

Fr-e500 series

Table of Contents