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1)
) 0,6 1,22
. 1,2.200
240 /
a m m
V f
V m s
) .
240 .600
0,40
b V f
m
12)4,5 0,50
9
1. .180
9
20 /
m
V f V
V m s
1 2 1 2
3)
( )F
I V
F F V V
(II)
1 2 1 2
( ) .III V f
V V f f
4)
.( )
2.
n vI f
L
1
.
2.
( 1). 2.
2.
175 150 100 /2.2
n
n
nVf
VLf
n V Lf
L
VV m s
2
4
( ) 1000,01
100 10 1,0.10
F FII V
F P N m kg g
' '
' '
(2) (1)
. . . .
. .
4000 1000
300 4000
150 3
C A
C
C A
C
V g V gf P E f
f P f V g
f f
f
f Hz