:
1) ;
2) , ;
3) .
1. ().
2. , , .
3. IN ,
P1, M, Ia, n, η = f(P2) I = INU = UN= const.
4. () n = f(Ia):
) I = IN U = UN= const,
) I = 0,5IN U = UN= const,
5. I = f(M) n = const U = UN = const.
6. n = f(U) Mc = const I = IN= const.
7. .
, 1 2. , . (
RR), :
M= 1,285Ia., ͷ,
Ia. ( 3).
1 2.
, 1 . . .
1
MN= P2N/ΩN= 1000 /148,7 = 6,725 ͷ,
P2N= 1000 - ( ); ΩN - , nN = 1420 / ΩN= nN 2π/60 =1420 2π/60 =148,7 /
Ia.,
I. = MN/1,285 = 6,725/1,285 = 5,23 A
2 . RR nN =1420 /. IN . ( ) . .
|
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UN= 110 RR.. IN RR .
| Ia | I = IN | n | I. | Ω | 1 | 2 | 𝞰 | |
| A | A | / | A | / | ∙ | % | ||
Ω Ω = n 2π/60. P1, P2 ... η :
P1 = UN(Ia+ I); P2 = M Ω; η = 100 P2/P1.
... P2 P1 . ... .
P1, M, Ia, n, η = f(P2) I = INU = UN = const.
()
n = f(Ia) I = IN U = UN= const . I = 0,5IN RR . n= f(Ia). IN = 12,2 A.
| I = IN | I = 0,5IN | ||||||||||||
| Ia | |||||||||||||
| n | / |
( n = const)
I = f(M) U = const n = const , I RR, n. I , . . I = f(M).
| n = const | I | Ia | I. | M | ΔI |
| / | ∙ | ||||
ΔI = I.- I, I. , Ia = 0. I = f(M). , I≤ IN = 12, 2 A.
( M = const)
n = f(U) Mc = const
I = IN
0,75 MN (Ia. =0,75 MN /1,285 = 0,756,725/1,285 ≈ 3,9 A).
RR. 10 , . , , Ia ≈ 3,9 . .
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| U | n | I = const | I | Ia = const | M | P2 |
| / | M | M | ∙ |
. . . . I , IN = 12,2 . I . 2.1. , .
: ; ; , ; . :
η = 100(1- Σp/P1),
Σ , .
Σp= p + p+ p + p. + p.+ p,
p ; p ; p ; p. , .; p. ; p .
P1, , P1 = UN(Ia+ I).
p = UNI .
: + =UNIa. - Ia2Ra(75)
Ia. ( . 2. Ia. = 0 ); Ra(75) 75 ( ), Ra(75) ≈ 1,2Ra
: p.= Ia2Ra.
: p.≈ 2ΔUI= 2 (0,31) I.
:p ≈ 0,01UNI a.
η = 100(1- Σp/P1),
| ... | I | P1 | P2 | p
| p+ p | p. | p. | p | Σ | η % |
| ( 2 ) | - | - | - | - | - | - | ||||
| - |
Ra = 1,1 ;
R = 210
.
1. ?
2. ?
3. ?
4. , ?
6. () ?
7. ?
8. , ?
9. , ?
10. , ?
11. . , ?
12. ?
- ӻ
( )
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280703.51
280707.51
:
04 2013 ., 7
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429570 , . , 52
