CHƯƠNG 5: CÁC MÁY BIẾN ÁP ĐẶC BIỆT
Bài tập 5-1.
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 !"#

$%#

$%"#

$%
&
$%
&
$%"#

$%"!"
'()*+,-)()./0102.3)*45*678"9:)(*;<)
0=7>?:*4(@7A)B8 01)/ϕ
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()B801)/ϕ

%"!"C:,-∆
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M EE"EE
O !"# 
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× ×

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K .

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M  "  
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= = =
× ×
P*Q0R/6))BD

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K. K.

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M M EE"EE "!E

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'  &
O O O NE E!"#E ! N#
= − = − =

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O "# O "#  #"

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O "# O " N#N"!

×
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O O O   N#N"!  "
= − = − =

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O " O " NE"

×

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& E"#!
M N"NE
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M "!E

V
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+ + + − −
+ −
= =
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," U "NN-= + Ω
W*Q*4()J.(5(D
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L 
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L 
= = =
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L 
= = =
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&  M N"N "N# "!E
 "EE
O  
∗


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'  M "EE " N"NE
 "NE#!
O  
∗
′
× × ×
= = =
×
62
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O  
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 "E
O  

O  )/  /  )/  /
∗ ∗ ∗ ∗ ∗
∆ = ϕ + ϕ + ϕ + ϕ

"EE "! "NN " " N! "! "N " "
= × + × + × + × =
 @ X @  X 
O  )/  /  )/  /
∗ ∗ ∗ ∗ ∗
∆ = ϕ + ϕ + ϕ + ϕ

" E "! "E " " "! "N " "#= × + × + × + × =
Bài tập 5-2.L
*.
%  ##"# "#

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$%"EN
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$%"N9
KY
%E"# Z9

% "#Z"7[*Y.\31
]7^"C@A1,-)()1]7^"C:,-
)_7/1`@R^@])501)_7/55,)-4/
T8*+.I)0=)/ϕ%"!,-H7*47S.3))J]7^"
L6*>.(5(;Aa"
bH7*4@7)()D



 
= + = + × =
 ÷
 
 c G
L O M  ##" ! #"N= = × × =
c4/)J.(5(D
d 
d  eY 
L )/ !" "!
"EE
L )/ 9 9 !" "! E#  #
ϕ ×
η = = =
ϕ + + × + +
63
O
G
O
c
M
G
M
c
X


'
f

 
G c
O #
h h "!! "#
O O N
′ ′
= = = Ω
+
bH77S.3).(5(\1.4.0kj7(D
c


O 
M #E"#
h
"#
′
= = =
′
×
bH77S.3)?1.4.0k3(D
G
 
G
O #
M M #E"#  !
O 
′
= = =
Bài tập 5-3. ]7^.)B*4( N#?K%ch?0l1

L O M N# NN" E!E= = × =
Bài tập 5-4.]7^.0l1j7()Bp/5*Q*4(F%N
*;<)0=7>)B*4("9:)(0=8)B)_7/?4
/)_7/"!,)l./-"mQ01n_78@7.(?o02.3)
64
*401X()*+D,-*4(:I),-H7*48?,)-H7*4@7)
/6,-H7*4@7)/6)"
W4(I),)(-D
G c
O  O N  N
′
= = × =
bH7*48D

 G
 
M M N"
N
×
= = =
bH7*4/6)D
c G
M  M N N" "
′
= = × =
bH7*4@7)/6)D
G c G
M M M " N" #= − = − =
Bài tập 5-5.]7^.)BQ7/0H7\1?@7*BI
)\10H7"9:)(*;<)0=7>)B*4(N?K%ch"b

g 
= = × =
G_7/55D
 G c
L M O , - ! = = − × =
G_7/@R^@])5D
 d 
L L L N!  = − = − =
65
Cn_7@7\qrD
c

O !
"#
N"NNKg N"NN # 
Φ = = =
× ×
Z
Bài tập 5-6. ]7^.)B)_7/?NNN?ch)7
))8`@T)_7/!Z?N01.*7)6?N?ch"W7)6
*70l1E$8?)/ϕ%"!)l./?4/!!$"mQ01n
_78@7.(?o:,-)_7/1`.17>)7))
,-)_7/1`@R^@])501)_7/55"
G_7/*7)6akn\;=*4D
)
)
9   
L E#"
)/ "!! "!
×

 G c c G
L M O ,M M - N "= = − × =
G_7/@R^@])5D
 d 
L L L  " E= − = − =

66