(2.3.4.1), [1, c.11]
U0=1.25
R=1,32
=0,58
[ΔP]=[[Θ]- Θc]/R (2.3.4.2), [1, c.11]
[Θ]=140 oC
[Θc]=37 oC
:
R=R+R+R (2.3.4.3), [1, c.11]
R=0,1 / .
R .
R - - .
0241 [3, c. 575] =30 . R=0,107 /, R=0,15 /.
R=0,1+0,107+0,15=0,357 /
[ΔP]=(140-37)/0,357=288,5
[Ia]=183.4 A
Ia=200 . , .
.
) :
:
ΔPi=U0*Ia+Kδ2* R*Ia2=1.25*100+0.58*1.32*10-3*1002=129.44 (2.3.5.1)
U0=1.25
R=1,32
=0,58
Ia=100 A ,
:
ΔΘi=ΔPi*R=129.44*0,357=46.21 (2.3.5.2)
R=
:
Θi=Θ+Δθi=37+46.21=83,21 (2.3.5.3)
Θ=37 .
, .
) :
:
ΔPi max=U0*(K*Ia)+K2* R*(K* Ia2)=1.25*(1.6*100)+1.32*10-3*0.583*1002=204.44 B
(2.3.5.4)
K .
:
ΔΘi max= ΔΘi+(ΔPi max- ΔPi)*RtKK=83,21+(204.44-129.44)*0,018=84,56 (2.3.5.5)
Δθ .
ΔP
RtKK=0,018 / t=60 , [3, c. 80]
:
Θi max=Θ+ ΔΘi max=37+84,56=121,56 (2.3.5.6)
Θ=37 .
, .
) :
:
ΔPi max=U0*(K*Ia)+K2* R*(K* Ia2)=1.25*(1.6*100)+1.32*10-3*0.583*1002=204.44 B
K .
:
ΔΘi max= ΔΘi+(ΔPi max- ΔPi)*RtKK=83,21+(204.44-129.44)*0,1=90,71
Δθ .
|
|
ΔP
RtKK=0, 1 / t=14 , [3, c. 80]
:
Θi max=Θ+ ΔΘi max=37+90,71=127,71
Θ=37 .
, .