12. 2 = 0,509·10 6 . : U = 6000 ; η = 95 %; cosφ = 0,9 (); f 1 = 50 . = 40. ; ; , .
17
1. - : Z = 24; p = 1; a = 2; y = 0,8t.
2. - . B δ f 1m = 0,929 ; f 1 = 50 . ; = 1; 1 = 2. z 1 = 54; y = 22; ; . D 1 = 1,255 ; l δ = 5,6 .
7. I = f (If) : *σ = 0,21 * d = 2,29, (. ); S = 588,2 ·A; U = 20 . .
If , A | 577 | 1185 | 1537 | 2010 | 3045 | 4060 |
Ef , B | 6700 | 11550 | 12700 | 13970 | 15360 | 16170 |
9. : S = 144,44 ·A; U = 10,5 ; cosφ = 0,9; f 1 = 50 . . n = 187,5 /. : = 327 ; = 563 ; f = 614 ; = 618 ; = 192 . . k , : 0; 0,25; 0,5; 0,75; 1,0; 1,25.
10. , I * f = 1,74. : = 215 MB; U = 15,75 ; cosφ = 0,85. , : * d = 1,03 * q = 0,588. . , θ. .
12. I * f = I * f . - . * = * d = 2,0. , *2 = 0,5.
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18
1. - : Z = 36; p = 3; a = 2; y = 0,8t.
2. () n = 1000 /. f 1 = 50 .
7. (...) - (...) U * = 0 U * = 1,0 ...
: = 100 ; U = 13,8 ; cosφ = 0,8. . ... ... .
Ff, A | 27090 | 48890 | 73870 | 97800 | 117200 | 13100 | 15100 |
Ef, B | 4620 | 7970 | 9640 | 10280 | 10520 | 10600 | 10680 |
U, B | 0 | 3820 | 6850 | 7970 | 8770 |
9. - - : P = 500 ; U = 20 ; cosφ = 0,85; η = 98,72 %; f 1 = 50 . . : - = 966 ; = 991,8 ; f = 1715 ; = 791 .
10. - 1 = 1,273·10 5 . : = 80 ; U = 13,8 ; f 1 = 50 ; cosφ = 0,8. , x * = x * d = 1,87. I * f =1. . - .
12. : 2 = 5000 ; U = 10 ; cosφ = 0,9. ; - x * d = 1,55; x * q = 1,1. - I * f = 2,2. . - - . - . .
19
1. - : Z = 48; p = 2; a = 1; y = 0,75t.
2. - f = 5,684 f = 18 f 1 = 50 . . k 1 = 0,958; k 1= 0,955. - .
7. : S = 65,5 ×; U = 10,5 ; (. ); : x σ = 0,27 x d = 1,91 I * = 0,75. .
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F * f | 0 | 0,5 | 1,0 | 1,5 | 2,0 |
E * f | 0 | 0,545 | 1,0 | 1,21 | 1,28 |
9. : - U = 6351 I = 6700 ; f 1 = 50 ; cosφ = 0,9. 20 -. å = 2276 .
10. - : S = 66,7 ×; U = 11 ; cosφ = 0,9. , : x * d = 0,88 x * q = 0,54. .
12. : U = 6 ; I = 550 ; η = 96,5 % 2 = 5000 . , , .
20
1. - : Z = 42; p = 1; a = 2; y = 0,6t.
2. : f 1 = 50 ; U = 18 . ; - w 1 = 9; - k 1 = 0,915. .
F f , | 3,69·10 4 | 7,33·10 4 | 1,24·10 5 | 1,71·10 5 | 2,44·10 5 |
f , | 3,3 | 5,68 | 6,88 | 7,56 | 7,96 |
7. 5 6, - - F * f .
9. . - : U = 13,8 ; I = 5229 ; - 1 = 3,288·10 5 . - , r = 2,032·10 3 ; I f = 1605 ; r f = 0,1169 ; η f = 90 %. - . : = 243,5 ; - = 439,2 ; = 210 .
10. - - * = 0,55. (I f = 0), - : x * d = 1,05 - x * q = 0,6. , .
12. - : U = 6000 ; I = 193,5 ; cosφ = 0,85. : - () = 54,4 ; (-) = 55 . - = 30; f 1 = 50 .
21
1. - : Z = 12; 2 p = 2; a = 1; y = 0,7t.
2. : 2 = 2; - z 1 = 54; y 1 = 22; w 1 = 9; I = 6800 . - δ = 79 ; k δ = 1,064. - .
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7. (...) (...) : S = 7,5 ·; U = 6,3 . . .
F * f | 0,5 | 1,0 | 1,5 | 1,79 | 2,1 | 2,5 | 2,94 | 3,16 |
* f | 0,56 | 1,0 | 1,19 | 1,27 | 1,33 | 1,39 | 1,44 | 1,47 |
U * | 0 | 0,34 | 0,75 | 1,0 | 1,1 |
9. - , - I f = 476 ; η = 97,8 %; 1 = 8,137·10 4 . - : = 182,9 ; - = 159,1 ; = 57,4 ; = 61,7 . η f = 0,92.
10. : S = 31,25 ·; U = 10,5 ; cosφ = 0,8. , - : x * d = 1,22 x * q = 0,73. . - . .
12. - 2 = 6,016·10 3 . -: U = 6000 ; I = 37 ; cosφ = 0,9; f 1 = 50 . - = 6. , - , -.
22
1. - : Z = 30; p = 1; a = 2; y = 0,6t.
2. S = 26,2 ·; U = 10,5 ; f 1 = 50 ; - n = 125 /. ; w 1 = 126; - k 1 = 0,94. .
7. : S = 31,25 ·; U = 10,5 . x C = xd = 6,57 . . .
F * f | 0,5 | 1,0 | 1,5 | 2,0 | 2,5 | 3,0 |
* f | 0,56 | 1,0 | 1,2 | 1,31 | 1,37 | 1,43 |
9. - : S = 62,5 ·; U = 6062 ; cosφ = 0,8; η = 98,35 %; f 1 = 50 . : = 176,7 ; f = 115,2 ; - = 85,1 ; = 298,2 .
10. I f = 0. - : S = 107 ·; U = 13,8 ; cosφ = 0,8.
, -: x * d = 1,44; x * q = 0,82.
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12. - *2 = 0,9. x * = x * d = 1,9. I * f = 2,4. - . 1,2 . , - θ . , , , - . - .
23
1. - : Z = 48; 2 p = 8; a = 1; y = 0,8t.
2. f = 0,06 - f 1 = 50 . 400 . ; - k 1 = 0,92. - .
7. (...) (...) : P H = 200 ; U = 15,75 ; - cosφH = 0,85. , - x * , F * a f ... - I * = 0,5.
F f , | 36060 | 64940 | 79760 | 94470 | 125800 | 174700 | 209000 | 254000 |
E f , | 5460 | 9090 | 10000 | 10780 | 11380 | 12270 | 12800 | 13150 |
U, | 0 | 6500 | 9090 | 10000 |
9. - , - . - M 1 = 6,456·10 5 . f 1 = 50 ; I = 8625 . - r = 1,974·10 3 . - U f = 350 ; - r f = 0,114 ; η f = 0,92. : p = 394 ; - p = 468 ; p = 616 .
10. . k = 1,6; cosφ = 0,9. 1,6 . -, θ .
12. : - P 2 = 400 ; U = 6000 ; η = 93 %; cosφ = 0,833. - .
24
1. - : Z = 24; p = 1; a = 1; y = 0,7t.
2. F f 1m B δ f 1m - . w f = 256; γ = 0,686; δ = 27; - k δ = 1,138; I f = 158A. .
7. - .
I *K, I * f = I * f . : S H = 78,8 MBA; U H = 13,8. - : σ = 0,484 ; d = 2,08 ; .
I * f | 0 | 0,5 | 1,0 | 1,5 | 2,0 |
E * f | 0 | 0,55 | 1,0 | 1,21 | 1,27 |
9. - M 1H = 1,02410 6 H; cosφ = 0,8; f 1 = 50 . - 12 . (-) p = 601,6 ; () - p KH = 632 . . cosφ - k = 0; 0,25; 0,5; 0,75; 1,0; 1,25.
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10. - : S H = 203,5 MBA; U H = 13,8 ; cosφ = 0,85. - , : * d = 1,05; * q = 0,69. - I * f = 1,81. - . .
12. - U H = 6000 , f 1 = 50 P 2H = 800 . η = 94,5 % - cosφ = 0,85. 12 . - , , .
25
1. - : Z = 36; p = 3; a = 1; y = 0,8t.
2. - . :
S = 40 ·; U = 6,3 ; 2 = 2; z 1 = 48. ; y 1 = 20; - 1 = 2; .
7. : S = 235 ·; U = 20 F * f = 1,7 I * = 0,5 cosφ = 0,85. - . - . - .
F * f | 0 | 0,5 | 1,0 | 1,5 | 2,0 | 2,5 | 3,0 | 3,5 |
E * f | 0 | 0,56 | 1,0 | 1,22 | 1,32 | 1,38 | 1,43 | 1,47 |
9. - : - U = 13,8 ; I = 4480 ; - cosφ = 0,8; η = 97,6 %. - : p = 552 ; - p = 453 ; p = 418 , - p = 471 .