:
R1,106, | |
C1,10-6, | 3,0 |
R2,106, | 1,3 |
C2,10-6, | |
tg δ0,10-3 | 3,6 |
α, 10-3,0-1 |
R 1, R 2 1 2.
0 = 200 tgδ0; , , α.
:
100 (0,01 R 1) .
200 1000 U = 10 50 .
:
1. .
2.
R1=R1+R2=115* +1,5* =116,5*
Cr=C1*C2/(C1+C2)= (3*29/(3+29))* =2,72*
r1=R1R2(R1+R2)(C1+C2)2/(R1C1-R2C2)2=115*1,5(115+1,5)(3+29)2/ (115*3-1,3*29)2= 2092,7*
R1 100
r2=4,3*
R2=2,65*
R1=115*
Ϫ=(R1C1-R2C2)2/(R1+R2)2(C1+C2)=0,082
3.
R(t)=U/I(t)=R/(1+(R/r)exp(-t/τ))
τ = rϪC=R1R2(C1+C2)/(R1+R2)
R1=115*
τ=89.9* c
R(t)=116.5* /(1+(116.5* /2092.7* )*Exp(-60/89.9* ))=113.3*
R(t)=116.5* /(1+(116.5* /2092.7* )*Exp(-15/89.9* ))=111.3*
4. R 60 , R 1 . 0,01 R 1.
= =1.02
1.02<1,3
τ = 40* *0.445=17.8*
R(60)=116.3*
R(15)=113.8*
=1.02
1.02<1,3
5. tgδ 20.
Tgδ=tgδ0 exp(α(T-T0))
Α=13*
Tgδ0=3,6*
T0=200
tgδ=3,6* exp(13* (200-200))= 3,6*
T0=220
tgδ=3,6* exp(13* (220-200))= 4.7*
6. . P= *ω tgδ
, | tgδ | , | , | tgδ | , | , | tgδ | , |
0,0036 | 0,1131 | 0,13713 | 4,30809 | 5,22356 | 164,10288 | |||
0,00467 | 0,14668 | 0,17785 | 5,58729 | 6,77459 | 212,82996 | |||
0,00606 | 0,19023 | 0,23066 | 7,24632 | 8,78617 | 276,02558 | |||
0,00785 | 0,24672 | 0,29915 | 9,39797 | 11,39504 | 357,98588 | |||
0,01019 | 0,31998 | 0,38797 | 12,18851 | 14,77858 | 464,28266 | |||
0,01321 | 0,41499 | 0,50317 | 15,80764 | 19,16678 | 602,14215 | |||
0,01713 | 0,53821 | 0,65258 | 20,50141 | 24,85797 | 780,93627 | |||
0,02222 | 0,69802 | 0,84635 | 26,58889 | 32,23905 | 1012,81974 | |||
0,02882 | 0,90528 | 1,09766 | 34,48393 | 41,8118 | 1313,5564 | |||
0,03737 | 1,17409 | 1,42359 | 44,72325 | 54,22698 | 1703,59081 | |||
0,04847 | 1,52271 | 1,84629 | 58,00293 | 70,3286 | 2209,43818 | |||
0,06286 | 1,97485 | 2,39451 | 75,22575 | 91,21128 | 2865,48685 | |||
0,08153 | 2,56125 | 3,10551 | 97,56253 | 118,2947 | 3716,33611 | |||
0,10573 | 3,32176 | 4,02763 | 126,53179 |
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