1. A 30-kVA, 440-V, 50-Hz, 3-0, star-connected synchronous generator gave the following test data : Field current (A) 4. 6. 7 8. 10 12 14 Terminal volts 155 287 395 440 475 530 570 592 S.C. current 11 22 34 40 46 57 69 80 Resistance between any two terminals is 0.3 2 Find regulation at full-load 0.8 p.f. lagging by (a) synchronous impedance method and (b) Rothert's ampere-turn method. Take Z, corresponding to S.C. current of 80 A. |(a) 51% (b) 29,9%]

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...
icon
Related questions
Question
100%
1. A 30-kVA, 440-V, 50-Hz, 3-0, star-connected synchronous generator gave the following test data:
Field current (A)
4.
6.
7
8
10
12
14
Terminal volts
155
287
395
440
475
530
570
592
S.C. current
11
22
34
40
46
57
69
80
Resistance between any two terminals is 0.3 2
Find regulation at full-load 0.8 p.f. lagging by (a) synchronous impedance method and (b) Rothert's
ampere-turn method. Take Z, corresponding to S.C. current of 80 A.
[(a) 51% (b) 29.9%]
Transcribed Image Text:1. A 30-kVA, 440-V, 50-Hz, 3-0, star-connected synchronous generator gave the following test data: Field current (A) 4. 6. 7 8 10 12 14 Terminal volts 155 287 395 440 475 530 570 592 S.C. current 11 22 34 40 46 57 69 80 Resistance between any two terminals is 0.3 2 Find regulation at full-load 0.8 p.f. lagging by (a) synchronous impedance method and (b) Rothert's ampere-turn method. Take Z, corresponding to S.C. current of 80 A. [(a) 51% (b) 29.9%]
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Synchronous Generator
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,