Lalllll
# &
$ $
'
( # # )* + )* ,
+ ) /01* -.
2 2 2 3 2
# 4
(56 (∠/0 (6 (∠ 5 /0 (-6 (∠7 /0 5
) -* ,
( # 4# #
89
u
u( t ) = U MAX sen(ωt + 0°)
N
-90° -60° -30°
30°
60°
90°
120° 150° 180° 210° 240° 270° 300° 330° 360°
t
ω
S
TENSION
# # )*
:
89
u, i
u( t ) = U MAX sen(ωt − 120°)
N
-90°
-60°
-30°
30°
60°90°
120° 150° 180° 210° 240° 270° 300° 330° 360°
t
ω
S
5 /0: # <
; )*
89
u
u( t ) = U MAX sen(ωt + 120°)
N
-120° -90°
-60° -30°
30°
60°
90°
120° 150° 180° 210° 240° 270° 300° 330° 360°
t
ω
S
#
5 /0: <
)*
u
N
-120° -90° -60° -30°
30°
60°
90°
120° 150° 180° 210° 240° 270° 300° 330° 360°
t
S
4
120° 120°== #
=
T1
12 0°
R1
S2
N S
R2
)* ϕ6 /0
T2 R2 S2 R1
0° 12
T2
S1 T1
120°
S1
# #
U TT`
) )
12 0°
*
*
U RR`
U RR´ = U F ∠0°
U SS`
120°
0° 12
USS´ = U F ∠ − 120°
UTT ´ = U F ∠ + 120°
+T1
+S1
+R1
! . + ! 8
$ $
-T2
-S2
-R2
# # # ! " < %
+ + $
8
%
+ )# *
:
8
+R1
%
-T2 +R1
-R2 +T1 -T2-S2
+T1
+S1
-R2 -S2 +S1
8
%
&
8
%
R
+ Punto centro de la estrella
IR
R
URS
O T
+
+
S
IS IT UST
UTR
S T
4+
- +
: 4
>
R
+
4
URO
+
R
URS
+ -
O T
+
+
+
S
USO
S T
+ + # ?4 ?
U RS = U RO − USO
>
U RS = U RO − USO
U LINEA
4
U RS -U SO
+
30° U FASE
120° U SO
60°
U RO U RO
+
ULINEA = 2cos 30°U FASE
U LINEA = 3 U FASE
+ #
U TR UTR U TR
-U -U RO RO
U TO U TO
120°
U RS URS U RS -USO -USO 30° 30° 60° 60° U RO U RO
+ 5 /0 +
USO USO
-UTO U U -UTO UST ST ST
12 0°
120° 120°
0° 12
( ?6 >∠/0 ( ( ?6 >∠ 5 /0 ( ( ?6 >∠7 /0 ( 5
-U RO U TR
U TO
U RS
-U SO
30°
60° U RO
+
( 6 ∠-/0 ( ( 6 ∠@ ( /0 ( 6 ∠7 /0 ( 5A
120° USO-U TO
UST
8
R
+ IT IR +
IS IR
R
; "
O
-
<
T
+
IS
S
S
IT
#
+
T
- + : 4
ILINEA = IFASE
R
B )* B
T
+
+ URS +
R
N
-
S
USO UTO
URO UST
UTR
S T N
+
: : 4B
4-
+
IR T2
U I RT T1 S2 T1T2
R1
+
I SR U R1R2 IS U RS U TR
+ -
I TS
R2
U
+
S1S2
S1 U IT ST
4
+
UR1R2 =U RS+
4
( 6 (∠/0 ( 6 (∠ 5 /0 ( 6 (∠7 /0 5
120° 120° 120° UR1R2 =U RS
U LINEA = U FASE
US1S2 =U ST
8
IR T2
-I TS
U I RT T1 S2 T1T2
R1
R
I SR U R1R2 IS
I RT
IT
+
+ -
I TS
R2
U
+
S1S2
S1
S
120°
120°
ISR 30°
IT
120° I S
T
-I RT I TS I R
-I SR
< +
# : # C #, 6
#
R + U RS GENERADOR TRIFASICO S + U ST T + U TR
IRIS
CARGA TRIFASICA
IT
( +
#
# 5 /0 +4
8
;
IR
-
+ U RS + IS
D
CARGA TRIFASICA
U TR +
# ,
( E FG 7 ( E FG 7 ( E FG 7
U ST -
IT
8
" # H ! = $8 !
4
4
$
8
# + 8 %
8 8
U TR IR + U RS + + U ST IS CARGA TRIFASICA
#
8
8 8 H
#
=
IT
8 H
R Z Ø Z Ø S T Z Ø
T S
# I I
R
Z Ø
Z Ø
Z Ø
8 8 = +
8 8
=
8R I LINEA
ULINEA
UFASE I LINEA I LINEA
Z Ø Z Ø Z Ø
S T
8 8
+
+
R IR U RN N IN
+ S
F >
G
Z Z Z
IS IT
+
T
# 8 #
<
# #
8 8
+
+
R IR
U RN N
Z IN
# (> 4 # J
U RN IR = Z
U F ∠0° IR = Z∠φ
UF IR = ∠0° − φ Z
8 8
N
+ S
N
+
+
U F ∠ − 120° IS = Z∠φ
Z
IN
IS
UF IS = ∠ − 120° − φ Z U F ∠ + 120° IT = Z∠φ UF ∠ + 120° − φIT = Z
Z
IT T
8 8
U RN = U F ∠0° IR = IF ∠0° − φ USN = U F ∠ − 120° IS = IF ∠ − 120° − φ UTN = U F ∠ + 120° IT = IF ∠ + 120° − φ
+
U TN
IT
Ø
Ø
U RN IR
IS
Ø
USN
48
UU TN TN
Ø
IT
U TN IT
120° 120°
Ø
U RN U RN IR
USN
IR IS
U RN
IS
Ø
120°
USN USN
Ix = 0
= + $
8
?! "
8 8
+
+
R IR U RN N IN
+ S
Z N´ Z Z
IS...
Regístrate para leer el documento completo.