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电路原理_skja_36

电路原理_skja_36

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三 三 三 三 三 三 三 三 三 三 三 三 三 三 三 三 三三三 三三三三三三三三 三三三 三三三三三三三三 三三三三三三 三三三三三三
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三三三三三三 三三三三三三 三三三三三三三三三三三三 1. 三三三三三三 ( 三三三三三三 ) 三三三三三三三 ( 三三三三三三三三三三三三三 ) 三三三三三三三三三三 2. 三三三三三三三三三三三三三三三三三三 A' B' C' N' A I B I C I N I Z Z Z A' B' C' A I B I C I Z Z Z B' A' I C' B' I A' C' I
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3. 三三三三三三三三三三三三三三三三三三三三三三三三三三 三三三三三三三三三三三三三三三三 Y–Y 三 Y 0 –Y 0 三 Y – 三 三 – Y 三 三 –三 三三 三三三三三三三三三三三 三三三三三三三三三三三三三三三三三三 1. Y–Y 三 ( 三三三三三 ) 三 Y 0 –Y 0 ( 三三三三三 ) + _ + _ _ + N n Z Z Z A U B U C U A I B I C I A B C a b c φ Z Z ψ U U ψ U U ψ U U = + = - = = | | 120 120 o C o B A
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+ _ + _ _ + N n Z Z Z A U B U C U A I B I C I A B C a b c 三 N 三三三三三三三 n 三三三三三三三三 C B A nN 1 1 1 ) 1 1 1 ( + + = + + U Z U Z U Z U Z Z Z 0 0 ) ( 1 3 nN C B A nN = = + + = U U U U Z U Z 三三三三三三三三三三三三三三三三三三三 三三三三三三三 o C nN CN cn o B nN BN bn A nN AN an 120 120 + = = - = - = = - = = = - = ψ U U U U U ψ U U U U U ψ U U U U U
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三三三三三 φ ψ Z U Z U Z U I φ ψ Z U Z U Z U I φ ψ Z U Z U Z U I - + = = = - - = = = - = = = o C cn C o B bn B A an A 120 | | 120 | | | | 三三三三三三三三三三三三三三三三三三三三三三三三三三三三三三三三三三三三三
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