alegerea echipamentelor de comutare
DESCRIPTION
Alegerea Echipamentelor de ComutareTRANSCRIPT
!"# "$"% %&"'()*+ ,%+(-*."!" !"# "$"% %&"'()*+ ,%+(-*."!" !"# "$"% %&"'()*+ ,%+(-*."!" !"# "$"% %&"'()*+ ,%+(-*."!"
(/0- /' "( (/0- /' "( (/0- /' "( (/0- /' "( !"# "$"% %&"'()*+ ,%+(-*."
!"(/0- /' "( ')* -' *,1)*/*)0"-) 2 # 2 % 3
- 4-
%%%%
%
- 4- 4- ' 56
27°%÷8°%9562:6 $ $ 29 26 * 293
sistechip maxn UU ≥ ;<
%
29
maxechip sarcn II ≥ 2
% <% 29 = 2 5<% 3
- 54- 54-
05
sc)3(
scll tItIktt
≥⋅ ;><
tl
t 7:5tl
t ?
?:@÷:
ip dlsc ttt +=
pl
t ?
idt ?
)3(scl kt
I316,0I ⋅≥
05
)3(socl kd
II ≥ ;<
%
- )3(scr k
SS ≥ ;<
- 3)3(
socri kII > ;@<
)3(scrd k
II ≥ ;A<
@
> 2> 2> 2> 2 1 9 5 , 2 23
- 4- 4- 4- B4- =4- 1 : "-(:
B617"-'799 =3
- 54- 52B4- 6,6 237:96622:697= 73( :( ":, ":,0"7 5: 9 66 9 2 9 2: 73(+'' 2
373764 76- 4- 6
74 74 7 % 65 *5
)
%
, ,
-1≥-B
A
> "1≥"B
sc)3(
scltlt tItIk
≥
-≥)3(
sockS
@ 0≥)3(
sckS
0 :26:6 652 0 9 6 5 %3 <,=3 7 7B 5<,3 7 75 7 <,53 7 7 75 7 <,656 93 79 79 <,3 76 7=2 76 7 % 2:B9 @7: ,B 3
;<"≥"B ;C<;><"2≥" ;D<
C
* 5:
- 7:E 3 #E#- 7@< *
2 6 2 263
- 4- 4- 553
7F47476
* 2B5B2 % *5>
)
%
, ,
-*%≥-B > "≥"B
sc)3(
scln1t tItIkkti
≥
socn1d IIk ≥
@ n22n2 SSS25,0 ≤≤
">?@;< G?AH* G?7>"* G?>:@G '226: 29 @
D
n22n2 SSS25,0 ≤≤ ;I<
$%
2n2ap2 ISS += ; 8 < ;<
'6 0>?0>
cont2n2
apn2cond R
I
SSR −
−= ;<
?:Ω
Sl
Rcond ρ= ;><
cond
calcR
ls ρ= ;<
?
$>0*%
S2
P1
P2
A W VAR Wh S1
S2
P1
P2
S1
l
A
lcalc=2l
S
l
A lcalc=3l A
A
Σ"
R S T
P1
P2
I
$0>*% , 7 % 5< * 2 6 2 : 26 : :55 3F::6 % 3 *5
)
% ,,
-≥-B->?#7->?E 3 7->?E#7
> n22n2 SSS25,0 ≤≤ 0BB3
$02#2
l
A lcalc= 3 l
A
R S T
0
*
**>*
**>
0$0$0$
@
$02:
22 6 % 6 2 2 3
- :>64- :@4- B 4
- :6% 6 2
2>@JJ2 6 ' 2 0629 , 2 3
- 4
* *> *
0$ 0$ 0$
0*
@
- 24
- 5%63- :@4- :4- * 5
'E>G#3 "?A
24I )3(sck
= G
)3(sock
I ?AG
)3(sck
S ?D(#
0>?@#7*% 0>?@#7** 0 0*"7> "B?:>"?:>A?C@A
)
%
, ,
-≥-B > >> "≥"B @ C@A
"≥:A)3(
sckI @G C:@DG
"≥" >@G AG 13"-'7(>÷
K
20 kV 110 kV
@>
)
%
, ,
"1≥-B C@A> -1≥-B >;><G >G
"≥:A)3(
sckI G C:@DG
"≥" CA:@G AG
@ 0≥)3(
sckS D@(# D(#
* *" (7>@
*6=:6
)
%
, ,
-**≥-B >@ >
> ->?43
1004
3100
0>≤0> @# >#
* %" 07@7:=
E@6)
%
,,
-*%≥-B @G# >G# > ")≥"B A
)3(
scn1t kI316,0IK ≥⋅ C:DG
C:@DG K?AK?>:@K
≥⋅ N1d IK " I:@G AG
@ 0>≤0> @# >#
@
> !"# "$"% %&"'()*+ ,%+(-*."!"' +*%."')* -' *,H+0/*)0"-)
>>>> %3
:-4> :"4 :-4 :4@ :";":"<4A :4C :"?;<4D :";÷D<
'6663 :"4> :"4 :"
, 2
53 4> 4 4 64@
< 52
: 9 26
,3< 2;:5:5<;:: :<B
5< 292 4
< 24< 24< 654< 6
><
@
66 2 : 223
- 654- 4- 2
>>065>>065>>065>>065
0 65 2
22652:9
;<"?;<, 53
- ;"?@<4- : 9;"?÷AG<4- ;"?>@G<0:B3- 4- 4- 6503- 92B665
- 9 ' 65 : :
6976 =;2<
$A(65 ,6 =3
"
"G
"
@@
'> 1 626
06563- 54- 25@4- 64- B4- 9
0652 ' <06529
$C' "$L"$
s
pFC C
II = ;<
−
=+=
1n
1ic
s
maxpFC i
IC
II 6 ;@<
%? %2
3 ~
5
(
0$
0
%
*
@A
-
$D%
%?>:@4"?A÷D") 7E∆4%?> "?>:C") 7 %?:A4''?:A") >0 5
5,1I
IK
NF
minksens >= ;A<
0
"≥" ;C<
>'"$≥"$% ;D<
vpvt
nF IC
II +≥ ;I<
$I'
"" uIp
ut p
5
0
0$
*
@C
?
< %62
" ? 964" ? 9
=
=k
1jpjvt II ;><
+=
=n
1kjcjvp II ;><
+=
= +≥n
1kjcj
k
1jpj
nF Ic
I
I ;>><
5< )
−
=+≥
1n
1jcj
PMnF I
c
II ;><
"'(?B '53 ")$≥;:÷:D<"M% ;>< >%>%>%>% 0 6 , 666652
@D
$0NCO 2 :C- %
-≥-B ;>@<> "≥"B ;>A< "≥"B ;>C< "1≥" ;>D<
, 5 2
BB3NCO- B4- B
B
R S T
A B C
>
O
B
R S T
A B C
O
3 ~
A B C
RT
C B
B.P.
B.O.
R
SF
R S T N Np
0
1
S T
C.A.M.
@I
%203 %76 4 %>7 ϕ?:@÷ 4 %7 ϕ?:>@÷ 4 %7 *3*%: : 4 *%3A÷>4 ?A÷A4 3÷ > > > > 2 2 "3
"≥" ;>I< "? 4 "? =:6="5=5: '3 "?;:÷:><" ;< *0
"?;:A÷< 0tK " ;<
3 0tK ?4
0tK ? 0
at ?÷@°%
0tK ≠ 0
at ≠÷@°%
A
, 526: 0t
K ?'2-0+
K02+ +(P3"?;:D÷:>@< 0t
K " ;><
'&;+ +(P<3"?;:@÷< 0t
K " ;<
03 *07A÷A4 *0Q 74 7A4
<
5<$ *07<: *0Q 75<
>@1>@1>@1>@1 1 2 2 166263
- 965"$%L4- 94- 9 27B64
- 9656',*
56 *: 2
R S T
A B C
A
' ,6
$>0 ' ,*61 -0+ 66 ="RD$02NCO
1 + +(P
: : 662
0*
-R
)
"L
S
>
3~
*0
-R
"L
"
(
A>
"?:A:>:>@: %
-)≥-B ;<> ")≥"B ;@<
"≥)3(
sckI ;A<
"1≥" ;C<
'3 "*?;:@÷:><") ;D< ,=3 -0++ +(PK "?;:D÷:>@< 0t
K " ;I<
' : 53
pre
pes I
K
KI ≥ ;<
"?4K?4K?=4K?-0+K?A÷D&4K?÷DK4"?="≥K⋅" ;<"?K⋅" ;><#K 5
< 023
- 77%0*-)?@#4")?>4A4
A
")?4>4- *'-)?:4:@4G#40)?>4A@4G#4-
<6 3
- 64- 64- 6
@<3- : : F: : :4
0%*"#"**' +*%.""+ ')* -")0*."",
H+0/*)0"-) $ 62 6 6 2 2 0 2650 2650 2650 265
0 6 626 , 5 6 27 2 : : : 65:
A
$0NCO
" 7 5 :∆26::5∆≥: $65 2 2 -5: , :966*0:5B3 "≥" *;<
"≥>:@" *;(' <
>0 265;>0 265;>0 265;>0 265;>>>>< 9< 9< 9< 9
1nfI LLLL2nfI
$@0NCO
*
>
"*0
>;><
;<
2nfI
NO
"NO
∆≥:∆>≥:@
∆≥:>
1nfI >P2nfI
%
*0
S
>
>;><
;<
" *")$"
∆≥:
NO
"NO
A@
0 93- 6 6 9": 9
- 2'6 5 :
7: 2 :26:2
0 2 0 220 220 220 22
65656565>>>> 9 6 2 ∆≥:465>;22<: ;<NCO 1 6 :293
- M64- %,6
$@0
*
>
"*0 >;><
;<
NO
"NO
M
,
∆≥:
%
AA
0 220 220 220 22>>>> 1 2B3"L"> ;< : 526:
$A0NCO
' 5
2 6 ∆≥:@;5 2+ )+(PK0"<
0
3'?C:@GQ η?D@:@Jϕ?:DG?"E"?A:@(750?A"? 6 3
87,15cosU3P
Innn
n =ηϕ
=
15,103IkI npp =⋅=
"B?"⋅:>?I:030H*
>;><
;<
NO
"NO
∆?:@
*
>
"*0
3~
S
SF
C
RT
M
AC
7M3-?G# -≥-BT
"? "≥"B 0*%7>29 5
) %
, ,
-≥-B @# D#> "≥"B > I: -2≥" > :@ "≥"B >@A I:
0653 "$≥"?@:DC
26,415,215,102
C
II
s
pF ==≥
"$≤"?⋅?> 0$ "$?@ "?A
6350
LF =
063 nr I)2,105,1(I
RT÷=
044,19I2,1I nrRT==
02 3
RTrs II >
63"?>:*07>: 32IRTn =
523 ;:AC÷<"?;:÷>< 63*07> 32I
RTN = :*0>
:÷> "0?> 044,19I
RTr = ∈;:÷><
*07>3
AD
"?:4:@@4:C@44:4:D4>:4:4:@4A4D44@4>4>@4> > % 6 9 '?>> GQ:η?DI:@J: ϕ:D@: G?C: 7 5 %UU ×>@ > 662 022 6 5 "G?>:IG "?:@G 6 3
94,43ncosU3
PIn =
⋅ϕ⋅⋅=
02:-0+
)
% , ,
-1L-B @# D#> -1L"B # @C:C# "1L" G :@G "L" DG >:IG
05
,72,57I2,1I nrDT
==
052 "?A
18,0
II srDT ÷
=
,23;:D÷<"?@:÷A4 )634,50(I
DTr ÷∈
, =⋅⋅=≥ 94,4372,1I2,1I prem
,-0+6"
3~
"L
-R
AI
"?⋅A?A 82I
acablum =
aem mr I5,4I < 2
aem mr I5,4A630I ⋅>= ?AI
65 03754
765