... this generator is
13 77 V 13 77 V
33 5 A
0 .15 1. 1 3. 333 30 1. 829
A
A
AS
E
I
RjXZ j
== ==
++ ++ ∠ ° Ω
Therefore, the magnitude of the phase voltage is
()( )
33 5 A 3. 333 11 17 V
A
VIZ
φ
== Ω=
...
()()()()
13 28 0 0 .15 2 51 36 .87 A 1. 1 2 51 36 .87 A
A
j=∠°+ Ω∠− °+ Ω ∠− °E
15 37 7.4 V
A
=∠°E
(c) The equivalent open-circuit terminal voltage corresponding...
... MW/Hz
2 Hz
PA
S ==
3 MW
1. 676 MW/Hz
1. 79 Hz
PB
S ==
3 MW
1. 9 61 MW/Hz
1. 53 Hz
PC
S ==
11 6
()()()()
13 28 0 0 .15 2 51 0 A 1. 1 2 51 0 A
A
jE =∠°+ Ω∠°+ Ω∠°
13 93 11 .4 V
A
E =∠°
The voltage ...
AAASA
RjX
φ
=+ +EV I I
()( )()( )
13 28 0 0 .15 2 51 36 .87 A 1. 1 2 51 36 .87 A
A
jE =∠°+ Ω∠°+ Ω∠ °
12 17 11 .5 V
A
E =∠°
The voltage regulation...
... a
10 % decrease,
2
11 , 907 V
A
E = , and
11
1
22
2
13 , 230 V
sin sin sin sin 27.9 31 . 3
11 ,907 V
A
A
E
E
δδ
−−
== °=°
Therefore, the new armature current is
2
11 , 907 31 . 3 ... kW 419 kWPPP=+= + =
TOT 1 2
14 5 kVAR 11 5 kVAR 260 kVARQQQ=+= + =
The overall power factor is
14 0
()()()()
7 217 0 0. 018 7 4 619 36 .87 A 1. 716 4 619 36 .8...
...
(
)
(
)
,nl
13 28 0 V 2.8 10 .5 0 A 13 28 .3 1. 27 V
A
j=∠°− Ω ∠°= ∠−°E
()( )
,half
13 28 0 V 1. 5 93. 6 0 A 13 54 11 .2 V
A
j=∠°− Ω ∠°=∠−°E
(
)
(
)
,full
13 28 0 V 2.8 19 8 0 A 14 39 22.7 V
A
j=∠°− ... will be
()()
,nl
42 kW
10 .5 A
3 PF 3 230 0 V 1. 0
A
T
P
I
V
== =
()()
,fl
37 3 kW
93. 6 A
3 PF 3 230 0 V 1. 0
A
T
P
I
V
== =
()()
,fl
788 kW...