.2 For each set of voltages, state whether or not the voltages form a balanced three-phase set. If the set is balanced, state whether the phase sequence is positive or negative. If the set is not balanced, explain why. a) = 180 cos 377t V, v. COS
.2 For each set of voltages, state whether or not the voltages form a balanced three-phase set. If the set is balanced, state whether the phase sequence is positive or negative. If the set is not balanced, explain why. a) = 180 cos 377t V, v. COS
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.4MCQ
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Need help with d,e,f. (Last 3)
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11.2 For each set of voltages, state whether or not the
voltages form a balanced three-phase set. If the
TM set is balanced, state whether the phase sequence
is positive or negative. If the set is not balanced,
explain why.
180cos 377t V,
180 cos(377t- 120°) V,
180 cos(377t-240°) V.
180 sin 377t V,
180 sin(377t + 120°) V,
180 sin(377t- 120°) V.
ILLE
400 sin(377r + 210°) V,
400cos(377t
- 30°) V.
LLE
10002 01
=201 cos(2000r + 150°) V,
200 cos(2000t + 270°) V.
208 cos(630f + 42°) V,
208cos(630r
-78°) V,
208cos(630t 201") V.
240 cos 377t V,
3 240 cos(377t 120°) V,
ve3D240 cos(397t + 120°) V.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2a39407e-8b6e-45ca-91f9-5cf33a72fdc4%2F0a483d6d-97aa-4076-a24b-ce2eac8f0057%2Fjuptqc3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:%3D
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11.2 For each set of voltages, state whether or not the
voltages form a balanced three-phase set. If the
TM set is balanced, state whether the phase sequence
is positive or negative. If the set is not balanced,
explain why.
180cos 377t V,
180 cos(377t- 120°) V,
180 cos(377t-240°) V.
180 sin 377t V,
180 sin(377t + 120°) V,
180 sin(377t- 120°) V.
ILLE
400 sin(377r + 210°) V,
400cos(377t
- 30°) V.
LLE
10002 01
=201 cos(2000r + 150°) V,
200 cos(2000t + 270°) V.
208 cos(630f + 42°) V,
208cos(630r
-78°) V,
208cos(630t 201") V.
240 cos 377t V,
3 240 cos(377t 120°) V,
ve3D240 cos(397t + 120°) V.
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