Chapter 3 Front-Panel Operation
Remote Voltage Sensing at the Front and Rear Terminals
49
3
Remote Voltage Sensing at the Front and Rear Terminals
5HPRWH#YROWDJH#VHQVLQJ#LV#XVHG#WR#PDLQWDLQ#UHJXODWLRQ#DW#WKH#ORDG#DQG#UHGXFH#
WKH#GHJUDGDWLRQ#RI#UHJXODWLRQ#WKDW#ZRXOG#RFFXU#GXH#WR#WKH#YROWDJH#GURS#LQ#WKH#
OHDGV#EHWZHHQ#WKH#SRZHU#VXSSO\#DQG#WKH#ORDG1
%\#FRQQHFWLQJ#WKH#SRZHU#VXSSO\#IRU#UHPRWH#YROWDJH#VHQVLQJ/#YROWDJH#LV#VHQVHG#
DW#WKH#ORDG#UDWKHU#WKDQ#DW#WKH#SRZHU#VXSSO\ªV#RXWSXW#WHUPLQDOV1#7KLV#ZLOO#DOORZ#
WKH#SRZHU#VXSSO\#WR#DXWRPDWLFDOO\#FRPSHQVDWH#IRU#WKH#YROWDJH#GURS#LQ#
DSSOLFDWLRQV#ZLWK#ORQJ#OHDG#OHQJWKV#DV#ZHOO#DV#WR#DFFXUDWHO\#UHDG#EDFN#WKH#
YROWDJH#GLUHFWO\#DFURVV#WKH#ORDG1
:KHQ#WKH#SRZHU#VXSSO\#LV#FRQQHFWHG#IRU#UHPRWH#VHQVLQJ/#WKH#293#FLUFXLW#VHQVHV#
WKH#YROWDJH#DW#WKH#VHQVLQJ#SRLQWV#+ORDG,#DQG#QRW#WKH#RXWSXW#WHUPLQDOV1
CV Regulation
7KH#YROWDJH#ORDG#UHJXODWLRQ#VSHFLILFDWLRQ#LQ#FKDSWHU#;#DSSOLHV#DW#WKH#RXWSXW#
WHUPLQDOV#RI#WKH#SRZHU#VXSSO\1#:KHQ#UHPRWH#VHQVLQJ/#DGG#8#P9#WR#WKLV#
VSHFLILFDWLRQ#IRU#HDFK#4#9#GURS#EHWZHHQ#WKH#SRVLWLYH#VHQVLQJ#SRLQW#DQG#+.,#
RXWSXW#WHUPLQDO#GXH#WR#WKH#FKDQJH#LQ#ORDG#FXUUHQW1#%HFDXVH#WKH#VHQVH#OHDGV#DUH#
SDUW#RI#WKH#SRZHU#VXSSO\ªV#IHHGEDFN#SDWK/#NHHS#WKH#UHVLVWDQFH#RI#WKH#VHQVH#OHDGV#
DW#RU#EHORZ#318#Ω#SHU#OHDG#WR#PDLQWDLQ#WKH#DERYH#VSHFLILHG#SHUIRUPDQFH1
Output Rating
7KH#UDWHG#RXWSXW#YROWDJH#DQG#FXUUHQW#VSHFLILFDWLRQV#LQ#FKDSWHU#;#DSSO\#DW#WKH#
RXWSXW#WHUPLQDOV#RI#WKH#SRZHU#VXSSO\1#:LWK#UHPRWH#VHQVLQJ/#DQ\#YROWDJH#
GURSSHG#LQ#WKH#ORDG#OHDGV#PXVW#EH#DGGHG#WR#WKH#ORDG#YROWDJH#WR#FDOFXODWH#
PD[LPXP#RXWSXW#YROWDJH1#7KH#SHUIRUPDQFH#VSHFLILFDWLRQV#DUH#QRW#JXDUDQWHHG#
ZKHQ#WKH#PD[LPXP#RXWSXW#YROWDJH#LV#H[FHHGHG1#,I#WKH#H[FHVVLYH#GHPDQG#RQ#
WKH#SRZHU#VXSSO\#IRUFHV#WKH#SRZHU#VXSSO\#WR#ORVH#UHJXODWLRQ/#WKH#
Unreg
#
DQQXQFLDWRU#ZLOO#WXUQ#RQ#WR#LQGLFDWH#WKDW#WKH#RXWSXW#LV#XQUHJXODWHG1
Output Noise
$Q\#QRLVH#SLFNHG#XS#RQ#WKH#VHQVH#OHDGV#DOVR#DSSHDUV#DW#WKH#RXWSXW#RI#WKH#SRZHU#
VXSSO\#DQG#PD\#DGYHUVHO\#DIIHFW#WKH#YROWDJH#ORDG#UHJXODWLRQ1#7ZLVW#WKH#VHQVH#
OHDGV#WR#PLQLPL]H#H[WHUQDO#QRLVH#SLFNXS#DQG#UXQ#WKHP#SDUDOOHO#DQG#FORVH#WR#WKH#
ORDG#OHDGV1#,Q#QRLV\#HQYLURQPHQWV#LW#PD\#EH#QHFHVVDU\#WR#VKLHOG#WKH#VHQVH#OHDGV1#
*URXQG#WKH#VKLHOG#DW#WKH#SRZHU#VXSSO\#HQG#RQO\1#'R#QRW#XVH#WKH#VKLHOG#DV#RQH#
RI#WKH#VHQVH#FRQGXFWRUV1
To Next Page
Loading...
