December 2012
Beginner
528 pages
17h 31m
English
Content preview from Introduction to Electrical Power and Power Electronics
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13AC Power Fundamentals
at the tip of Ã, place the tail of
B
and draw
B
. The end point from the origin is then
AB+
. To subtract
B
from à in Figure 1.6 (bottom), rst draw Ã. Then, at the tip of
Ã, place the tail of
B
and draw
−
B
(i.e.,
B
in the negative direction.) The end point
from the origin is then
AB−
.
Example 1.3
Given two phasors, Ã = 60∠30° and
B =∠40 60°
, determine (1)
AB+
, (2)
AB−
,
(3)
AB×
, and (4)
AB
. Express each result in j-form and also in θ-form.
General note:
For simplicity in writing, all angles we write following ∠ signs in this book are in
degrees, whether or not expressly shown with superscripts (°).
Solutio ...
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