.
=i*0,65
i , i-
1=300*0,65=195
2=1300*0,65=845
3=700*0,65=455
= 1+ 2 + 3
=195 +845+455=1495
Q = Q i*0,65
Q i , i-
Q 1=221,25*0,65=143,8
Q 2=795,2*0,65=516,8
Q 3=228,4*0,65=148,4
Q = Q 1+ Q 2 + Q 3
Q =228,4+516,8+148,4=809
10 8%, 10%.
10 , :
, ;
Q , ;
R ;
X .
R= r*L | X= X l *L |
R=0,46*2,8=1,288 | X=0,388*2,8=1,086 |
R=0,46*3,4=1,564 | X=0,388*3,4=1,319 |
R=0,46*2,2=1,012 | X=0,388*2,2=0,853 |
RD=0,46*2,8=1,288 | XD=0,388*2,8=1,086 |
R=0,46*1,7=0,782 | X=0,388*1,7=0,659 |
RF=0,46*2,8=1,288 | XF=0,388*2,8=1,086 |
ΔU=(1001,5*1,288+632*1,086)/10=197,6
ΔU=(701,5*1,564+410,7*1,319)/10=163,8
ΔU=(301,5*1,012+132,7*0,853)/10=41,8
ΔUD=(-908,5*1,288+662,5*1,086)/10=-188,9
ΔU=(-1698,5*0,782+891*0,659)/10=-191,5
ΔUF=((400*1.288) + (300*1.086))/10= 84.1
, .
ΔU=ΔU+ ΔU+ ΔUF
ΔU=197,6+163,8+84.1= 445.5
%
ΔU%= (ΔU/ U)*100=(445.5/10000)*100=4.45%
4.45%, 8%, 70 .
(3)
R=0,46*2,8=1,288 | X=0,388*2,8=1,08 |
R+=0,46*5,6=2,576 | X+=0,388*5,6=2,172 |
RD=0,46*2,8=1,288 | XD=0,388*2,8=1,08 |
ΔU=(1495*1,288+809*1,086)/10=280,4
ΔU+=(1300*2,576+665,2*2,172)/10=479,36
ΔUD=(455*1,288+148,4*1,086)/10=74,72
ΔU= ΔU+ ΔU++ ΔUD
ΔU=834,48
ΔU%=(834,48/10000)*100=8,34%
12%, 8,34%, , 70 .
.
: .
|
|
U=U-ΔU
U=10,5+4%=10,92
U=10,5-1%=10,395
UMAX=10920-445,5=10474 B
δUMAX=[(10474-10000) / 10000]* 100 = 4,74%
30% :
ΔUMIN= 445,5*0,3=133,6
UMIN=10395-133,6=10261,4
δUMIN= [(10261,4-10000) /10000]* 100 = 2,61%
.
RO , /;
Si , i, ;
U , ;
Li i, ;
n .
Δ=(0,46/100)*(1192,42*2,8+8172*3,4+329,62*2,2+492,42*2,8+ +1936,22*1,7+487,82*2,8)
Δ =80
ΔP - , ;
ΔP - , ;
S - , , ;
S - , ;
m .
Δ1 =(5,5/1)*(375/400)2+1*1,08=5,91
Δ2 =(12,2/2)*(10529/1000)2+2*2,45=19,1
Δ3 =(12,2/1)*(736/1000)2+1*2,45=9,05
Δ4 =(7,6/1)*(487,8/630)2+1*1,68=6,23
:
Δ = Δ1+ Δ2+ Δ3+ Δ4
Δ=40,29
Δ= Δ+ Δ
Δ=120,29
τi i.
, , t .
t=(0,124+*10-4)2*8760
t=(0,124+4800*10-4)2*8760
t=3195,8
.. ,
ΔW=ΔP*t
ΔW=80*3195,8=255654*
t , , t=8760.
ΔW1=(5,5/1)* (375/400)2*3195,8+1*1,08*8760=24909,2*
ΔW2=(12,2/2)* (1529/1000)2*3195,8+2*2,45*8760=88498,7*
ΔW3=(12,2/1)* (736/1000)2*3195,8+1*2,45*8760=42582*
ΔW4=(7,6/1)*(487,8/630)2*3195,8+1*1,68*8760=29277,9*
ΔW=∑ΔWi
ΔW=24909,2+88498,7+42582+29277,9=185267,9*
ΔW=ΔW+ΔW
ΔW=185267,9+255664 =440931,8*