MICROELECTRONIC CIRCUITS W/LAB MAN >P<
8th Edition
ISBN: 9780197529362
Author: SEDRA
Publisher: OXF
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Chapter 5.3, Problem D5.10E
To determine
The value of resistor
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Q4. Give the reasons for the following
1. In AC machines drives, the frequency modulation index should be integer
regardless the value of switching frequency.
2. Variable de link voltage is adopted in inverter operating in square wave operation
mode
3. Practical values of switch utilization factor is different from theoretical values
4. In three-phase inverter with my is odd and multiple of 3, the even and tripplen
harmonics are zero.
5. The PSC-PWM is attractive for the modular multilevel converter
Q6.B. Answer the following questions
1. Does the steady state load current in a half bridge inverter has an average value and
what is the adverse effect of the average current component?
2. Can the LPF of single phase bridge inverter based on bipolar PWM be used with
single phase bridge inverter based on unipolar PWM? Explain
Q3. Answer the following questions
T
1. Compared to the bipolar voltage-switching scheme, the unipolar scheme is
"effectively" doubling the switching frequency. Explain the statement's
meaning and how this effect can be generated.
2. What are the properties of a good power switch, and what are its basic ratings?
3. What are the objectives of any PWM strategy for three-phase inverters?
4. Why is the current control PWM rectifier in the dq rotating reference frame
preferred over the abc reference frame?
5. Define the switch utilization factor. Show how this factor can be calculated for
different single-phase inverters for square wave operation mode at the
maximum rated output.
Chapter 5 Solutions
MICROELECTRONIC CIRCUITS W/LAB MAN >P<
Ch. 5.1 - Prob. 5.1ECh. 5.1 - Prob. D5.3ECh. 5.2 - Prob. 5.4ECh. 5.2 - Prob. 5.5ECh. 5.3 - Prob. D5.9ECh. 5.3 - Prob. D5.10ECh. 5.3 - Prob. 5.11ECh. 5.3 - Prob. 5.12ECh. 5.3 - Prob. D5.13ECh. 5.3 - Prob. D5.14E
Ch. 5.3 - Prob. 5.15ECh. 5.4 - Prob. 5.16ECh. 5.4 - Prob. 5.17ECh. 5 - Prob. 5.1PCh. 5 - Prob. 5.2PCh. 5 - Prob. 5.3PCh. 5 - Prob. 5.4PCh. 5 - Prob. 5.8PCh. 5 - Prob. 5.9PCh. 5 - Prob. 5.15PCh. 5 - Prob. 5.17PCh. 5 - Prob. D5.19PCh. 5 - Prob. 5.21PCh. 5 - Prob. 5.22PCh. 5 - Prob. 5.23PCh. 5 - Prob. 5.24PCh. 5 - Prob. 5.25PCh. 5 - Prob. 5.26PCh. 5 - Prob. 5.27PCh. 5 - Prob. 5.34PCh. 5 - Prob. 5.39PCh. 5 - Prob. 5.41PCh. 5 - Prob. 5.42PCh. 5 - Prob. 5.51PCh. 5 - Prob. D5.52PCh. 5 - Prob. 5.53PCh. 5 - Prob. 5.57PCh. 5 - Prob. 5.66PCh. 5 - Prob. 5.67P
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