Exercise 15MVA 11kV T2 3 38 j0.15 pu Line (200+j500) N 20MVA AY YA 11kV 25MVA 20MVA Load j0.15 pu 12.5/132kV j0.1 pu 132/12.5kV j0.1 pu 5MVA 11kV 0.8 lag pf (a) Dithe impedance diagram for the 3-phase system in per-unit. Choose bus voltage of 132kV for the transmission line and a base voltamper of 20MVA. Neglect transformer phase shift and magnetizing impedance. (b) If the motor is a synchrounus machine drawing 15MVA at 0.9 leading pf and the terminal voltage is 1.1 pu, find the generator bus voltage and generator current.
Exercise 15MVA 11kV T2 3 38 j0.15 pu Line (200+j500) N 20MVA AY YA 11kV 25MVA 20MVA Load j0.15 pu 12.5/132kV j0.1 pu 132/12.5kV j0.1 pu 5MVA 11kV 0.8 lag pf (a) Dithe impedance diagram for the 3-phase system in per-unit. Choose bus voltage of 132kV for the transmission line and a base voltamper of 20MVA. Neglect transformer phase shift and magnetizing impedance. (b) If the motor is a synchrounus machine drawing 15MVA at 0.9 leading pf and the terminal voltage is 1.1 pu, find the generator bus voltage and generator current.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Power systems
![Exercise
4
15MVA
T1
T2
11kV
M
jo.15 pu
Line
(200+j500) N
20MVA
ΔΥ
YA
11kV
25MVA
20MVA
Load
j0.15 pu
12.5/132kV
j0.1 pu
132/12.5kV
j0.1 pu
5MVA
11kV
0.8 lag pf
(a) Drthe impedance diagram for the 3-phase system in per-unit. Choose a
bus voltage of 132kV for the transmission line and a base voltamper of
20MVA. Neglect transformer phase shift and magnetizing impedance.
(b) If the motor is a synchrounus machine drawing 15MVA at 0.9 leading pf
and the terminal voltage is 1.1 pu, find the generator bus voltage and
generator current.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F255d1aff-0e0c-4814-a28f-7286caf11f2f%2F874d7775-d92d-4e55-b00d-83ee187797ec%2Fwkj72u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Exercise
4
15MVA
T1
T2
11kV
M
jo.15 pu
Line
(200+j500) N
20MVA
ΔΥ
YA
11kV
25MVA
20MVA
Load
j0.15 pu
12.5/132kV
j0.1 pu
132/12.5kV
j0.1 pu
5MVA
11kV
0.8 lag pf
(a) Drthe impedance diagram for the 3-phase system in per-unit. Choose a
bus voltage of 132kV for the transmission line and a base voltamper of
20MVA. Neglect transformer phase shift and magnetizing impedance.
(b) If the motor is a synchrounus machine drawing 15MVA at 0.9 leading pf
and the terminal voltage is 1.1 pu, find the generator bus voltage and
generator current.
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