CHƯƠNG 5: CÁC MÁY BIẾN ÁP ĐẶC BIỆT
Bài tập 5-1.
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Bài tập 5-2.L
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∗
× ×
= = = = Ω
×
i1.(5(j7(AQ7@T7S.3)\1D
G

 
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

78.(01)7))8)BQ7@T∠

Ω"mQ01n_78@7
.(?oX()*+D,-H7*48,-H7*401:)(,)-H7*4
,5*Q*4(-@7))7,-)_7/1`@R^@])5
01)_7/5*Q,55-"
bH7*48D
c
 c

O N#
M M #
h 
= = = =
bH7*4:)(D
c c
G
G G
M O # N#
M NN"
M O  
×
= = =
bH7*4@7))7D
G c G
M M M # NN" !"E!= − = − =
G_7/D
  G
L O M N# !"E! !NN= = × =
 c G

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

I0=8)B)_7/N"!?4/)_7/",)l./-"mQ01
n_78@7.(?oX()*+,-*4(:I),-H7*4/6)01
I),)-)_7/1`@R^@])5,-)_7/55,-
n_7)])*3@7\qr"
W(/D,-!,-?,)-,- ,Y-?#Z
L0H7/6)D
 
g  g   N07= − = − =
W4(I)D
c
c G
G
g 
O O N !
g 
= = × =
bH7*48D

 c
c
L N!
M M 
O !
= = = =
bH7*4/6)D
c
G c
G
g 
M M  

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#"
)/ "!! "!
×

= = =
η ϕ ×
CQ7)_7/)J8s7)_7/7>)7)).(5(D
 ) @
9 L )/ t9 E#" "! !  N= ϕ = × + =
Z
 )
P L / E#" "# NE"= ϕ = × =
VAr
   
d 
L 9 P  N NE" = + = + =
VA
bH7*48D

 c
c
L 
M M "N!N
O N
= = = =
bH7*4/6)D
c
G c
G
O N
M M "N!N !"!!
O NN
= = × =
G_7/55D

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