Electrical Transformers and Rotating Machines
4th Edition
ISBN: 9781305494817
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 11, Problem 5RQ
What is one special problem with dry-type transformers used in unit substations?
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Problem 1. The flywheel A has an angular velocity o 5 rad/s. Link AB is connected via ball
and socket joints to the flywheel at A and a slider at B. Find the angular velocity of link AB and
the velocity of slider B at this instant. (Partial Answer: @ABN = -2î + 2.25; red
Z
-1.2 ft
C
-7 Y
-1.5 ft-
B
2.0 ft
Need help please
PROBLEM 15.225
The bent rod shown rotates at the constant rate @₁ = 5
rad/s and collar C moves toward point B at a constant
relative speed u = 39 in./s. Knowing that collar C is
halfway between points B and D at the instant shown,
determine its velocity and acceleration.
Answers: v=-45 +36.6)-31.2 k in./s
āc = -2911-270} in./s²
6 in
20.8 in.
14.4 in.
Chapter 11 Solutions
Electrical Transformers and Rotating Machines
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