Download Print this page

Siemens 7SA513 Instruction Manual page 290

Numerical distance protection for ehv systems
Hide thumbs Also See for 7SA513:

Advertisement

6$
9
'HWHUPLQH WKH WKUHVKROG SRLQW E\ VORZ UHGXFWLRQ RI
WKH YROWDJH &KHFN LQGLFDWRUV DQG RXWSXWV 6LQFH WKH
WULSSLQJ SRO\JRQ LV PDGH XS RI VWUDLJKW OLQHV )LJXUH
  GLIIHUHQW IRUPXODH PXVW EH XVHG IRU WKH WKUHVK
ROG YROWDJHV GHSHQGHQW XSRQ WKH LQWHUVHFWLRQ RI
WKHVH OLQHV 7KH JHQHUDO IRUPXODH DUH
 )RU WKH UHDFWDQFH LQWHUVHFWLRQV ;UHDFK
8
9
. ;
;


3
=RQH
 )RU WKH UHVLVWDQFH LQWHUVHFWLRQV 5OLPLWDWLRQ
8
9
. 5
5

3
=RQH
ZKHUH ,
 WHVW FXUUHQW
3
,
 UDWHG FXUUHQW RI UHOD\
1
8
 WHVW YROWDJH DW WKUHVKROG LQ YROWV
3
;
 VHWWLQJ YDOXH ; RI WKH GLVWDQFH ]RQH
=RQH
WR EH FKHFNHG
5
 VHWWLQJ YDOXH 5 RU 5( RI WKH GLVWDQFH
=RQH
]RQH WR EH FKHFNHG
.
 IDFWRU IRU ; LQWHUVHFWLRQ DFFRUGLQJ
;
7DEOH 
.
 IDFWRU IRU 5 LQWHUVHFWLRQ DFFRUGLQJ
5
7DEOH 
)RU SKDVHWRHDUWK WHVWLQJ WKH WKH WHVW FXUUHQW LV
DSSOLHG WR RQH SKDVH DQG WKH HDUWK FXUUHQW SDWK
7HVW YROWDJH LV WKH SKDVHWRHDUWK YROWDJH
)RU WHVWLQJ SKDVHWRSKDVH WKH WHVW FXUUHQW PXVW
IORZ WKURXJK WKH WHVWHG SKDVHV LQ RSSRVLWH GLUHF
WLRQV 7HVW YROWDJH LV WKH SKDVHWRSKDVH YROWDJH ,W LV
HVVHQWLDO WR HQVXUH DEVROXWH V\PPHWU\ RI WKH WZR
SKDVH YROWDJHV RWKHUZLVH HUURU ZLOO RFFXU
)RU WKUHHSKDVH WHVWLQJ LW LV UHDVRQDEOH WR PHDVXUH
RQH SKDVHWRHDUWK YROWDJH DQG WKH DVVRFLDWHG
SKDVH FXUUHQW )RU WKH IDFWRU\ VHW YDOXHV DQG ,
 WKH UHVXOWDQW YROWDJHV ZLOO EH DV 7DEOHV  WR 
7DEOH  JLYHV WKH IDFWRUV .
VHWWLQJV IRU WHVW DQJOHV ƒ
JHQHUDOO\ DSSOLFDEOH IRUPXODH
=RQH =
ƒ
3
SKDVH
8
3
SKDVH
8
3
SKDVH
8
3
7DEOH 
7HVW YROWDJHV 8
,
DQG SUHVHWWLQJ
1

,
,
3
1
,
,

3
1
,
3
DQG .
IRU \RXU RZQ
;
5
E DQG E DQG WKH
3
•
ƒ
•
3
 9
8
 9
3
 9
8
 9
3
 9
8
 9
3
IRU ]RQH = DW ,
3
3
=RQH =
SKDVH
SKDVH
SKDVH
7DEOH 
7HVW YROWDJHV 8
,
DQG SUHVHWWLQJ
1
=RQH =
SKDVH
SKDVH
SKDVH
7DEOH 
7HVW YROWDJHV 8
,
DQG SUHVHWWLQJ
1
2YHUUHDFK ]RQH =% FDQ RQO\ EH FKHFNHG XQGHU
VWHDG\VWDWH FRQGLWLRQV ZKHQ DQ LQSXW UHOD\ KDV
EHHQ DOORFDWHG WR WKH LQSXW IXQFWLRQ l!([WHQV
=%l DQG LV HQHUJL]HG )1R  QRW DOORFDWHG DW
GHOLYHU\ 
=RQH =%
SKDVH
SKDVH
SKDVH
7DEOH 
7HVW YROWDJHV 8
,
3
1
2YHUUHDFK ]RQH =/ FDQ RQO\ EH FKHFNHG XQGHU
VWHDG\VWDWH FRQGLWLRQV ZKHQ DQ LQSXW UHOD\ KDV
EHHQ DOORFDWHG WR WKH LQSXW IXQFWLRQ l!([WHQV =/ l
DQG LV HQHUJL]HG )1R  QRW DOORFDWHG DW GHOLY
HU\ 
=RQH =/
SKDVH
SKDVH
SKDVH
 k
7DEOH 
7HVW YROWDJHV 8
k ,
1
2SHUDWLQJ LQVWUXFWLRQV
ƒ
•
ƒ
3
3
8
 9
8
3
3
8
 9
8
3
3
8
 9
8
3
3
IRU ]RQH = DW ,
3
ƒ
•
ƒ
3
3
8
 9
8
3
3
8

9
8
3
3
8

9
8
3
3
IRU ]RQH = DW ,
3
ƒ
•
ƒ
3
3
8
 9
8
3
3
8
 9
8
3
3
8
 9
8
3
3
IRU ]RQH =% DW
3
 k ,
DQG SUHVHWWLQJ
1
ƒ
•
ƒ
3
3
8
 9
8
3
3
8
 9
8
3
3
8
 9
8
3
3
IRU ]RQH =/ DW ,
3
DQG SUHVHWWLQJ
&*&
•
 9
 9
 9
 k
3
•
 9
 9
 9
 k
3
•
 9
 9
 9
•
 9
 9
 9

3

Advertisement

loading