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+" " + " . , %+ !# " (! = 4) ( 0 . (b = 6). ! " # $ % 3 + ! +!$ !'4 2+"#:
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$ !# " 1: |
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$ !# " 3: |
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∑±EK = ∑±RK IK |
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-. 24 &+$. #"& ! 2" 0, # " «& '» |
!+" (2) , $ EK &+ # $ RK IK , $ +%,
"&+"$ (! "#% " % , + ") &" "' %2+" % "&+" 2, " !+". 8 + ! " (2) +" &+ +"$ $
" " 0 !+", 2, & + ! 2+% "$ """ |
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# 2$ $ "b". - ! " &+" !' " 0 (2) |
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"&+$1 1 ! - " Uab |
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∑EK = ∑RK IK +Uab |
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&+ - ! % "' &+ 1 &+" # ". $ / & , & "#" . " +.1, '4 . ( 0 ., 1 #"& " 0 ) " + ! #" ! +,) 3" [b-(y-1)] = 3 #" %, !+"$ $ + , #" %, #" ! %, !+. 5! 0 2! ! !+%, 2 # " % " I,II,III. %2+" "&+" 2, " , !+",, "&+ +, & , ! " . +, & !:
$ +, ) !+": R1I1 + R01I1 + R5I5 - R2I2 = E1 - E2 |
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$ 1 ) !+": |
R2I2 + R6I6 + R3I3 - Uab = E2 + E3 |
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$ &+" ) !+": |
- R5I5 + R4I4 - R6I6 = 0 . |
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+"$ (1) (4) "$' & !' ! !+" ., " %, & #" " +,) 3" $ #" " . , %. 5 " # %
% # "$ &+ ., "&+$1$ Uab , 2, , & 0#!$ &0' +, &+ 0 ,.
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I11R11 + I22R12 + I33R13 = E11
I11R21 + I22R22 + I33R23 = E22
I11R31 + I22R32 + I33R33 = E33 .
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R17 |
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R4 R5 |
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R27 = |
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R5 R6 |
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R37 |
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R4 R6 |
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R + R + R |
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R + R + R |
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R + R + R . |
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U74 |
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E1G1 + E2G2 − (E3 +Uab )G3 |
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G1 + G2 + G3 |
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7 G1 = |
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U74 + E3 |
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# &+ " (")+!#) -" ) ) +" +" ("
E =U ) ! + &+ R =R ), $ #" " ! #" ! " &+ ,+" &+ " " 0 ) -" -" .
/ & (+. 4). & #$ &+ 0 + # + R & 3 + !
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. 4
5! 0 + 2!$ &+ 0 I6 &+ R6 (+. 1)
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R + R6 |
R 23 + R6 |
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' , . , 0 &+ R6 #"1 2-3 &+ "&+$1 , ) , " U 23 (+. 5).