0HWKRG RI RSHUDWLRQ
87
9
&*&
,
,
5()
7ULS DUHD
%ORFN DUHD
Ð
OLPLW
,
l
,
N
*
)LJXUH 2SHUDWLRQ FKDUDFWHULVWLF RI WKH UHVWULFWHG HDUWK IDXOW SURWHFWLRQ GHSHQGHQW RI WKH HDUWK FXUUHQW
IHHGLQJ UDWLR ,
l,
ERWK FXUUHQWV LQ SKDVH RU FRXQWHUSKDVH ,
5()
VHWWLQJ YDOXH
,W ZDV DVVXPHG LQ WKH DERYH H[DPSOHV WKDW WKH FXU
UHQWV
,
l DQG
,
DUH LQ FRXQWHUSKDVH IRU H[WHUQDO
HDUWK IDXOWV ZKLFK LV RQO\ WUXH IRU WKH SULPDU\ PHD
VXUHG TXDQWLWLHV &XUUHQW WUDQVIRUPHU VDWXUDWLRQ
PD\ FDXVH SKDVH VKLIWLQJ EHWZHHQ WKH IXQGDPHQWDO
ZDYHV RI WKH VHFRQGDU\ FXUUHQWV ZKLFK UHGXFHV WKH
VWDELOL]DWLRQ TXDQWLW\ ,I WKH SKDVH GLVSODFHPHQW
Ð
,
l
,
p
WKHQ WKH VWDELOL]LQJ TXDQWLW\ LV
]HUR 7KLV FRUUHVSRQGV WR WKH FRQYHQWLRQDO PHWKRG
RI GLUHFWLRQ GHWHUPLQDWLRQ E\ XVH RI WKH YHFWRULDO
,
,
l
,
l
,
,
l
,
,
l
,
VWDE
IÚU N
)LJXUH 3KDVRU GLDJUDP RI WKH VWDELOL]LQJ
TXDQWLW\ GXULQJ H[WHUQDO HDUWK IDXOW
VXP DQG GLIIHUHQFH FRPSDULVRQ )LJXUH
7KH VWDELOL]LQJ TXDQWLW\ FDQ EH LQIOXHQFHG E\ PHDQV
RI D IDFWRU N 7KLV IDFWRU KDV D FHUWDLQ UHODWLRQVKLS WR
WKH OLPLW DQJOH Ð
OLPLW
ZKLFK FDQ EH VHOHFWHG LQ 87
7KLV OLPLW DQJOH GHWHUPLQHV IRU ZKLFK SKDVH GLV
SODFHPHQW EHWZHHQ
,
l DQG
,
WKH SLFNXS YDOXH
JURZV WR LQILQLW\ ZKHQ
,
l
,
LH QR SLFNXS RF
FXUV 7KH KLJKHVW VWDELOLW\ LV Ð
OLPLW
WKHQ LV N
*
)RU SKDVH GLVSODFHPHQW
{
,
l
,
{
WKH WULSSLQJ HIIHFW TXDQWLW\ LV H[FOXVLYHO\ SUHV
HQW IRU RWKHU SKDVH GLVSODFHPHQW WKH VWDELOL]LQJ
TXDQWLW\ LV
*
)LJXUH VKRZV WKH RSHUDWLQJ FKDUDFWHULVWLFV RI
WKH UHVWULFWHG HDUWK IDXOW SURWHFWLRQ GHSHQGHQW RI WKH
SKDVH GLVSODFHPHQW EHWZHHQ
,
l DQG
,
IRU D FRQ
VWDQW LQIHHG UDWLR _
,
l_ _
,
_ 7DEOH VKRZV WKH UH
ODWLRQ EHWZHHQ WKH VHWWLQJ RI WKH OLPLW DQJOH Ð
OLPLW
DQG
WKH VWDELOL]DWLRQ IDFWRU N
Ð
OLPLW
N
*
7DEOH
5HODWLRQVKLS EHWZHHQ OLPLW DQJOH
Ð
OLPLW
DQG VWDELOL]LQJ IDFWRU N
www
. ElectricalPartManuals
. com