2 What is the efficiency of the generator at these conditions? * Your answer
2 What is the efficiency of the generator at these conditions? * Your answer
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Question
SYNCHRONOUS GENERATOR
answer #2
![Field curent (A)
Your answer
2. What is the efficiency of the generator at these conditions? *
Your answer
Another identical delta-connected load is to be paralleled with the first one.
What is the new terminal voltage after the load has been added? *
Your answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe1f32afa-4a2f-40cf-9f12-4549aa6ba642%2F596aceb6-84a2-4235-ab01-c9c5d1c3b235%2Fh8asw0i_processed.png&w=3840&q=75)
Transcribed Image Text:Field curent (A)
Your answer
2. What is the efficiency of the generator at these conditions? *
Your answer
Another identical delta-connected load is to be paralleled with the first one.
What is the new terminal voltage after the load has been added? *
Your answer
![1. A 13.8 kV, 50-MVA, 0.9 p.f., 60 Hz, four pole, Y-connected synchronous generator has a synchronous
reactance of 2.5 ohms, and an armature resistance of 0.2 ohm. At 60 Hz, its friction and windage losses
are 1 MW, and its core losses are 1.5 MW. The field circuit has a dc voltage of 120 V, and the maximum
field current is 5A. The current of the field circuit is adjustable over the range from 0 to 10 A. The OCC of
this generator is shown in the figure.
What will the terminal voltage of this generator be if it is connected to a delta-
connected with an impedance of 24 cis 25 deg ohms? *
Open-circuit characteristic
20
18
16
14
12
10
1
2
3
4
5
7
10
Field cument (A)
00
4.
2.
Open-circuit voltage (kV)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe1f32afa-4a2f-40cf-9f12-4549aa6ba642%2F596aceb6-84a2-4235-ab01-c9c5d1c3b235%2Fblgicte_processed.png&w=3840&q=75)
Transcribed Image Text:1. A 13.8 kV, 50-MVA, 0.9 p.f., 60 Hz, four pole, Y-connected synchronous generator has a synchronous
reactance of 2.5 ohms, and an armature resistance of 0.2 ohm. At 60 Hz, its friction and windage losses
are 1 MW, and its core losses are 1.5 MW. The field circuit has a dc voltage of 120 V, and the maximum
field current is 5A. The current of the field circuit is adjustable over the range from 0 to 10 A. The OCC of
this generator is shown in the figure.
What will the terminal voltage of this generator be if it is connected to a delta-
connected with an impedance of 24 cis 25 deg ohms? *
Open-circuit characteristic
20
18
16
14
12
10
1
2
3
4
5
7
10
Field cument (A)
00
4.
2.
Open-circuit voltage (kV)
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