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Трансформаторы PowerPoint PPT Presentation


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Трансформаторы. Прибор предназначенный для преобразования напряжения и силы переменного тока называется трансформатором. Устройство трансформатора. Две катушки с разными числами витков одеты в стальной сердечник Катушка, подключенная к источнику – первичная катушка. ( N 1 , U 1 , I 1 )

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Трансформаторы

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6633142


6633142

.


6633142

  • .

  • , . ( N1, U1, I1 )

  • , . ( N2, U2, I2 )

  • N- . U-. I- .


6633142

: 1)K<1, N2>N1 U2>U1

2).K>1N2<N1 U2<U1 U


6633142

=

P1, P2 -


6633142

4)

I1U1I2U2

3) , .


6633142

, . , . . . 22 1896 .


6633142

, . . : , .


6633142

. , 5 , , 20 , . ( 5 , 20 ). 5 12 . .


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