EBK MINDTAP FOR HERMAN'S DELMAR'S STAND
7th Edition
ISBN: 9781337900614
Author: Herman
Publisher: VST
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Textbook Question
Chapter 16, Problem 2PP
What frequency must be applied to a 33-mH inductor to produce an inductive reactance of 99.526
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Chapter 16 Solutions
EBK MINDTAP FOR HERMAN'S DELMAR'S STAND
Ch. 16 - 1. How many degrees are the current and voltage...Ch. 16 - 2. How many degrees are the current and voltage...Ch. 16 - To what is inductive reactance proportional?Ch. 16 - Four inductors, each having an inductance of 0.6...Ch. 16 - Three inductors are connected in parallel....Ch. 16 - 6. If the three inductors in Question 5 were...Ch. 16 - 7. An inductor is connected to a 240-V, 1000-Hz...Ch. 16 - 8. An inductor with an inductance of 3.6 H is...Ch. 16 - If the frequency in Question 8 is reduced to 50...Ch. 16 - 10. An inductor has an inductive reactance of 250...
Ch. 16 - An inductor has an inductive reactance of 80 ohms...Ch. 16 - 12. An inductor has a wire resistance of 6 ohms....Ch. 16 - An inductor has an inductive reactance of 150 ohms...Ch. 16 - You are working as an electrician installing...Ch. 16 - You have the task of ordering a replacement...Ch. 16 - Inductive Circuits Fill in all the missing values....Ch. 16 - What frequency must be applied to a 33-mH inductor...Ch. 16 - An inductor is connected to a 120-volt, 60-Hz line...Ch. 16 - A 0.75-henry inductor has a wire resistance of 90...Ch. 16 - An inductor has a current flow of 3 amperes when...
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- Don't use ai to answer I will report you answerarrow_forwardPlease, I want the solve to the two questions, with a drawing of the equivalent circuit in the case of dc and in the case of small signal.arrow_forwardQ2. For the transformer shown in Fig. 1. A. Plot the winding connection for the transformer and justify your answer. (4M) B. If the transformer is adopted in 12 pulse diode rectifier, where two-series connected bridge rectifiers are used to supply a highly inductive load with 100 A. (i) Select a suitable turns ratio for the transformer (ii) Plot the line current of each winding ( secondary + primary) showing the current magnitude at each interval (iii) Use Fourier Page 1 of 3 analysis to obtain the Fourier series of all line currents then calculate the THD of the input current. (8=0° (16M) (Y) = 30° Fig. 1 P. I v Iarrow_forward
- Q2. For the transformer shown in Fig.1, A. Find the phase shift between the primary and star-connected secondary. B. If the transformer is adopted in a 12-pulse diode rectifier, where a two-series connected bridge rectifier is connected in series and supplies a highly inductive load (i) Select a suitable turns ratio for the transformer (ii) Plot the line current of each winding (secondary + primary). (iii)Using Fourier analysis to obtain the Fourier series of all line currents, then calculate the THD of the input current. (iv) Draw the output voltage of the first and second rectifiers and give the relation of the total output voltage. N2 B C Fig. 1 N3 aarrow_forwardQ2.A. It is planned to use the transformer shown in Fig. 1, a 12-pulse rectifier. Each secondary is connected to three phase controlled bridge rectifier. The two rectifiers are connected in series to supply a highly inductive load. 1. Based on the phasor relationship between different windings. If suitable turns ratio is selected, is it possible to use this transformer to produce 12 pulse output voltage? Show the reason behind your answer. 2. Assuming this arrangement is possible to be used in 12-pulse rectifier, draw the output voltage of the 1st and 2nd rectifier and give the relation of the total output voltage. 3. Use the Fourier analysis to show the harmonics in all line currents of the transformer. A B in C Fig. 1 b la a 2 b.arrow_forwardDon't use ai to answer I will report you answerarrow_forward
- Don't use ai to answer I will report you answer.arrow_forwardQ5.B How parallel connected DC-DC converters increase the effective switching frequency? Show the advantages and limitations in these converters.arrow_forwardQ4. 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 converterarrow_forward
- 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? Explainarrow_forwardQ3. 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.arrow_forwardQ1.B. Explain output control by voltage cancellation in a single-phase inverter. What are the advantages over square wave operation?arrow_forward
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