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Problem Set - Part 1

The document contains problem sets for an engineering course, specifically focusing on electrical machines. It includes two problems related to AC generators and alternators, providing specific parameters and required calculations for each. Final answers are to be boxed and rounded to four decimal places.

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Chin Chin Edra
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49 views4 pages

Problem Set - Part 1

The document contains problem sets for an engineering course, specifically focusing on electrical machines. It includes two problems related to AC generators and alternators, providing specific parameters and required calculations for each. Final answers are to be boxed and rounded to four decimal places.

Uploaded by

Chin Chin Edra
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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ENGG 410

(Fundamentals of Deformable Bodies)


Name: EDRA, CHIN CHIN D. Date: JULY 06 2021
SR Code: 18-06145 Course & Section: EE - 3306

EE 406 – ELECTRICAL MACHINES 2


PROBLEM SET NO. 1 – Part 1

Solve the following problems completely. Box your final answer/s. Rounding off
should only be done on your final answers with four decimal places only.

1. A two pole three phase 50 Hz, Y – conncted AC generator has 9 slots per
pole and 6 conductors per slot. What is the flux per pole if the voltage on
open circuit is 1.1kV. Assume a coil span of unity. Ans. φ = 0. 1656 Wb

HE gives strength to the weary


And increase the power of the.
I
saiah 40:29
ENGG 410
(Fundamentals of Deformable Bodies)

HE gives strength to the weary


And increase the power of the.
I
saiah 40:29
ENGG 410
(Fundamentals of Deformable Bodies)
2. A 6 pole, 3 – phase, 60 – cycle alternator has 12 slots per pole and
four conductor per slot. The winding is 5/6 pitch. There are 2, 500,
000 maxwells (0. 025 weber) entering the armature from each
north pole and this flux is sinusoidally distributed along the air
gap. The armature coils are all connected in series. The winding is
wye – connected. Determine the open circuit emf of the alternator.
Ans. E L = 512. 1913 V

HE gives strength to the weary


And increase the power of the.
I
saiah 40:29
ENGG 410
(Fundamentals of Deformable Bodies)

HE gives strength to the weary


And increase the power of the.
I
saiah 40:29

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