Q1.What is the phase sequence of each of the following sets of voltages? a) va = 137 cos (wt + 63°) V, Vp = 137 cos (wt – 57°) V, ve = 137 cos (wt + 183°) V. b) va = 820 cos (@t – 36°) V, - vp = 820 cos (wt + 84°) V, ve = 820 sin (wt – 66°) V. %3D

Q1.What is the phase sequence of each of the following sets of voltages? a) va = 137 cos (wt + 63°) V, Vp = 137 cos (wt – 57°) V, ve = 137 cos (wt + 183°) V. b) va = 820 cos (@t – 36°) V, - vp = 820 cos (wt + 84°) V, ve = 820 sin (wt – 66°) V. %3D

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 2.23P: A single-phase source has a terminal voltage V=1200volts and a currentI=1530, which leaves the...

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Question

Q1.What is the phase sequence of each of the following sets of voltages?
a) va = 137 cos (wt + 63°) V,
vp = 137 cos (wt – 57°) V,
ve = 137 cos (ot + 183°) V.
b) va
= 820 cos (@t – 36°) V,
vp = 820 cos (wt + 84°) V,
ve = 820 sin (wt – 66°) V.

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