In the area of systems and signals, the Fourier series is commonly represented in the form of a sum of complex exponentials, as follows kmax x(t) = Σ (akejkwot) k=-kmax However, in other areas of electrical engineering, e.g. power electronics, the Fourier series is usually presented in the form of a trigonometric sum, as follows x(t) = kmaz 1 = a + acos(kwot) + bÅsen (kwot) k=1 a) Derive the expression to estimate the values of ao, ak and bk from the trigonometric sum expression (hint: multiply by the cosine or sine function and integrate over the period). b) Another alternative way of representing is the compact trigonometric form, given by the expression ∞ f(t) = a + ΣA, cos(nwot - On), n=1 FIND THE VALUE OF AN IN TERMS OF THE COEFFICIENTS AK AND BK ESTIMATED FROM THE TRIGONOMETRIC SUM EXPRESSION AND EXPLAIN STEP-BY-STEP.
In the area of systems and signals, the Fourier series is commonly represented in the form of a sum of complex exponentials, as follows kmax x(t) = Σ (akejkwot) k=-kmax However, in other areas of electrical engineering, e.g. power electronics, the Fourier series is usually presented in the form of a trigonometric sum, as follows x(t) = kmaz 1 = a + acos(kwot) + bÅsen (kwot) k=1 a) Derive the expression to estimate the values of ao, ak and bk from the trigonometric sum expression (hint: multiply by the cosine or sine function and integrate over the period). b) Another alternative way of representing is the compact trigonometric form, given by the expression ∞ f(t) = a + ΣA, cos(nwot - On), n=1 FIND THE VALUE OF AN IN TERMS OF THE COEFFICIENTS AK AND BK ESTIMATED FROM THE TRIGONOMETRIC SUM EXPRESSION AND EXPLAIN STEP-BY-STEP.
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
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.16P
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Transcribed Image Text:In the area of systems and signals, the Fourier series is commonly represented in the form of a sum of complex
exponentials, as follows
kmax
x(t) = Σ (akejkwot)
k=-kmax
However, in other areas of electrical engineering, e.g. power electronics, the Fourier series is usually presented in
the form of a trigonometric sum, as follows
x(t) =
kmaz
1 = a + acos(kwot) + bÅsen (kwot)
k=1
a) Derive the expression to estimate the values of ao, ak and bk from the trigonometric sum expression
(hint: multiply by the cosine or sine function and integrate over the period).
b) Another alternative way of representing is the compact trigonometric form, given by the expression
∞
f(t) = a + ΣA, cos(nwot - On),
n=1
FIND THE VALUE OF AN IN TERMS OF THE COEFFICIENTS AK AND BK ESTIMATED FROM THE
TRIGONOMETRIC SUM EXPRESSION AND EXPLAIN STEP-BY-STEP.
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