
80
,QVWDOODWLRQ LQVWUXFWLRQV
9
&*&
8
,7
80
+LJK YROWDJH FDEOH
8
JHQ
c
9
)LJXUH
&RQQHFWLRQV IRU LQWHUWXUQ IDXOW SURWHFWLRQ
7KUHH WZRSKDVHLQVXODWHG YROWDJH WUDQVIRUPHUV
PXVW EH XVHG IRU WKH
LQWHUWXUQ SURWHFWLRQ
7KH SUL
PDU\ ZLQGLQJV RI WKH YWV DUH VWDU FRQQHFWHG DQG WKH
VHFRQGDU\ ZLQGLQJV DUH RSHQGHOWD FRQQHFWHG 7KH
YROWDJH WUDQVIRUPHU SULPDU\ VWDU SRLQW LV FRQQHFWHG
WR WKH JHQHUDWRU VWDU SRLQW E\ D KLJK YROWDJH FDEOH
7KH YW VWDU SRLQW
PXVW QRW
EH HDUWKHG VLQFH WKLV
ZRXOG HDUWK WKH PDFKLQH VWDU SRLQW $ FRQQHFWLRQ H[
DPSOH LV VKRZQ LQ )LJXUH
7ZR SRVVLELOLWLHV H[LVW LQ WKH FDVH RI
URWRU HDUWK IDXOW
SURWHFWLRQ
,I URWDWLQJ PHDVXUHG YDOXH WUDQVPLVVLRQ 507 LV
XVHG LH D PHDVXUHG YDOXH DFTXLVLWLRQ GHYLFH LV LQ
VWDOOHG RQ WKH URWRU VKDIW WKH RXWSXW VLJQDO RI WKLV LV
FRQYHUWHG WR D SURSRUWLRQDO YROWDJH E\ PHDQV RI D
VKXQW UHVLVWRU 7KLV YROWDJH LV IHG WR WKH DVVLJQHG LQ
SXW RI 80 VHH )LJXUH
,I WKH LQWHJUDWHG URWRU HDUWK IDXOW SURWHFWLRQ LV XVHG
LQWHUFRQQHFWLRQV EHWZHHQ 80 DQG WKH DFFHV
VRU\ GHYLFHV PXVW EH DUUDQJHG )LJXUH % $SSHQ
GL[ % VKRZV WKH LQWHUFRQQHFWLRQV ZKHQ ;7 LV
XVHG )LJXUH VKRZV D VFKHPDWLF H[DPSOH ZLWK
FRQWUROOHU XQLW ;7 )LJXUH ZLWK ;7
7KH DF SRZHU VXSSO\ IRU WKH FRQWUROOHU XQLW ;7
4
LV
VXSSOLHG IURP WKH YROWDJH WUDQVIRUPHUV HJ 8
//
,W SURGXFHV WKH FRQWURO VLJQDOV DQG WKH PHDVXUHG
YROWDJH IRU URWRU HDUWK UHVLVWDQFH GHWHUPLQDWLRQ
7KH PHDVXUHG YROWDJH LV FRXSOHG WR WKH H[FLWDWLRQ
FLUFXLW YLD WKH FRXSOLQJ XQLW ;5 RU ;5 RU
;5 7KUHH PRGHOV DUH DYDLODEOH 0RGHO
;5 LV GHVLJQHG IRU WHVW YROWDJH N9 ,I D KLJK
HU WHVW YROWDJH LV UHTXLUHG PRGHO ;5 LV VXLW
DEOH ZLWK D WHVW YROWDJH RI N9 RU PRGHO ;5 LV
VXLWDEOH ZLWK D WHVW YROWDJH RI N9
&RQWUROOHU XQLW FRXSOLQJ XQLW DQG WKH SURWHFWLRQ
UHOD\ VKRXOG EH LQVWDOOHG FORVHO\ WRJHWKHU HJ RQ WKH
VDPH UHOD\ SDQHO RU LQ WKH VDPH UHOD\ FXELFOH
7KH FRQQHFWLRQV EHWZHHQ WKH FRQWUROOHU XQLW DQG WKH
SURWHFWLRQ UHOD\ VKDOO EH ODLG FORVHO\ WRJHWKHU DQG
WZLVWHG LQ RUGHU WR SUHYHQW LQWHUIHUHQFH LQ WKLV OHDGV
1RWH
WKDW WKHVH PHDVXULQJ FLUFXLWV ZLOO EH JDOYDQLFDO
O\ FRQQHFWHG WR WKH H[FLWDWLRQ FLUFXLW RI WKH PDFKLQH
DQG WKHUHIRUH VWUHVVHG E\ KLJKHU SRWHQWLDOV DJDLQVW
HDUWK 7KH FRQQHFWLRQV EHWZHHQ WKH URWRU FLUFXLW WR
WKH FRXSOLQJ XQLW DQG WR WKH SURWHFWLRQ UHOD\ VKRXOG
EH VFUHHQHG DV ZHOO DV WKH DF DX[LOLDU\ YROWDJH
OHDGV VHH )LJXUHV RU 7KH FRQWUROOHU XQLW
SURYLGHV WHUPLQDOV IRU WKH FRQQHFWLRQ RI WKH VFUHHQV
5HIHU WR $SSHQGL[ % IRU RYHUDOO FRQQHFWLRQ H[DP
SOHV
0RVW RI WKH ELQDU\ LQSXWV DQG RXWSXWV RI WKH XQLW FDQ
EH PDUVKDOOHG DW OLEHUW\ 0DUVKDOOLQJ SRVVLELOLWLHV DUH
GHVFULEHG LQ GHWDLO LQ 6HFWLRQ
www
. ElectricalPartManuals
. com