Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Chapter 48, Problem 4SQ
To determine
Mention the preferred method of the plugging switch connection to the motor or the driven machine.
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Do you happen to know what is the complete circuit?
b) Draw the magnitude and phase bode plot
c) Given Cdb=0.02pF, how will the frequency response change, draw the resulting magnitude and phase bode plotplz help me to solve part b and c.
Medium 1 is a lossless dielectric (ε₁, μ₁ = μo, σ₁ = 0)
Medium 2 is a perfect electric conductor (PEC) ( 2 = 0, μ2 = μo, σ₂ = ∞)
[ Moσ = 0] [ε0 μ₁ σ₂ = ∞ ] (J=σE is finite, E = 0)
E(z) Exe² +Пe₁²]
1. For the case εr] =
λι =
=
E2(z)-0
-
1 (vacuum), E₁x 1 V/m and a frequency f = 500 MHz determine:
n₁ =
12=
2. Determine:
r =
T=
3. Using this I show that the total electric field E₁0(z) in region 1 can be written as:
E(z) = -2jE, sin(2лz/λ)✰
4. The magnitude E10(z) will show an interference pattern. The SWR (standing wave ratio) is the
Emax/Emin ratio of the magnitude of the total electric field in region 1. What is the SWR?
E (z) = 2|E|sin(2лz/2₁)|
E" (z)
SWR A
Imax
E(z)
Imin
1+r
1-||
tot
5. Roughly SKETCH the magnitude of E10(z) and E20(z) on the graph below.
E₁tot(z)
tot
E20(z)
-0.40
-0.30
-0.ło
z=0
+0.1b +0.20
Chapter 48 Solutions
Electric Motor Control
Ch. 48 - In Figure 482, what is the purpose of normally...Ch. 48 - Can a time-delay relay be used satisfactorily in a...Ch. 48 - Prob. 3SQCh. 48 - Prob. 4SQCh. 48 - Prob. 5SQCh. 48 - What is the purpose of the lockout relay or safety...Ch. 48 - What happens if the reverse push button is closed...Ch. 48 - Prob. 8SQCh. 48 - Prob. 9SQCh. 48 - In Figure 487, is it necessary to push the stop...
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