Hello I can't find anything relevant to this question. Describe the three-phase inverter function with PWM...
Hello I can't find anything relevant to this question.
Describe the three-phase inverter function with
PWM and SPWM pulse configuration
Homework Answers
these
are both pulse with modulation and sinusoidal pulse with modulation
technique.......
Add Answer to:
Hello I can't find anything relevant to this question.
Describe the three-phase inverter function with
PWM...
Problem 3: Sinusoidal PWM or Six-Step Control of three-phase DC-AC Inverter (45 Points) Design a three-phase...
Problem 3: Sinusoidal PWM or Six-Step Control of three-phase DC-AC Inverter (45 Points) Design a three-phase inverter circuit for a solid oxide fuel cell, whose output voltage changes from 400 Vdc to 600 Vdc. Sinusoidal PWM (SPWM) A. If sinusoidal PWM is used to control the inverter, to obtain a three-phase 240 Vac (line- line RMS value) at 60 Hz, what is the inverter's modulation index (ma) range? (5points) B. Based on part A: Assume the fuel cell's output voltage...
QUESTION 2 (Total 12.5 Marks) PWM switching scheme is used for a single phase inverter with m 36 and mo0.7 and Vd 230 V...
QUESTION 2 (Total 12.5 Marks) PWM switching scheme is used for a single phase inverter with m 36 and mo0.7 and Vd 230 V (see the table in the formula sheet). Calculate the RMS values of the fundamental voltage and mf, my+2, 2m 1 harmonics (stating any approximation) if (a) a bipolar modulation scheme is used, (6.5 marks) (b) a unipolar modulation scheme is used. (6 marks) S1 S3 Load S4 Circuit diagram
QUESTION 2 (Total 12.5 Marks) PWM switching...
A purely inductive, balanced, Y-connected load having an inductance L per phase, is fed by the three-phase half-bridge inverter shown below in Figure Q5. The inverter is operated in the square-wave mo...
A purely inductive, balanced, Y-connected load having an
inductance L per phase, is fed by the three-phase half-bridge
inverter shown below in Figure Q5. The inverter is operated in the
square-wave mode (meaning that the pole voltages are square waves)
with a frequency fs.
A purely inductive, balanced, Y-connected load having an inductance L per phase, is fed biy the three-phase half-bridge inverter shown below in Figure Q5. The inverter is operated in the square-wave mode (meaning that the pole...
(a) Two three-phase, 400kV (rms), 50Hz, AC networks are connected together via a current-source HVDC link...
(a) Two three-phase, 400kV (rms), 50Hz, AC networks are connected together via a current-source HVDC link made up of a three-phase, 12-pulse full-wave thyristor rectifier and a three-phase, 12-pulse full-wave thyristor inverter. (i) Draw the circuit diagram for this system and explain, for the rectifier stage, how the firing delay angle may be used to control the average DC voltage. (ii) Explain the main advantages of HVDC transmission compared to AC transmission. (b) An H-Bridge converter is to be used...
This question is on the study guide and I can't find the answer anywhere: Describe the...
This question is on the study guide and I can't find the answer anywhere: Describe the role of energy molecules in muscle contraction and their formation by aerobic and anaerobic processes and factors that contribute to fatigue.
I want to solve the problem step by step. Thanks 2. (20 points) Inverters. Consider a three phase inverter. Define its a mplitude ratio as the ratio between the peak amplitudes of the sine wave tr...
I want to solve the problem step by step.
Thanks
2. (20 points) Inverters. Consider a three phase inverter. Define its a mplitude ratio as the ratio between the peak amplitudes of the sine wave triangle of the triangle wave and the sine wave. Let the frequency ratio be 21. and the wave. Define its frequency ratio as the ratio between the frequency Determine and plot the following The amplitude of the fundamental frequency component of the PWM output voltage...
how do we calculate ii and iii) - induction motor (25 marks) QUESTION 3 A three-phase,...
how do we calculate ii and iii) - induction motor
(25 marks) QUESTION 3 A three-phase, 400 V, 50 Hz, 4-pole, 1370 rpm, star connected, squirrei-cage induction motor has the following parameters: R, 20, R2- 3 Q, X1-X2- 3.5 and Xm=40 .Motor is controlled by a voltage source inverter at constant V/f ratio. By using IEEE equivalent circuit; Calculate the starting torque and starting current at 10 Hz To- If the torque-speed to be a straight line calculate the slip...
2. Figure 2 shows a 6-pulse thyristor rectifier feeding a DC static load an operating at steady-state. The ac input power supply is a symmetric set of three-phase voltages forming a direct seque...
2. Figure 2 shows a 6-pulse thyristor rectifier feeding a DC static load an operating at steady-state. The ac input power supply is a symmetric set of three-phase voltages forming a direct sequence, having rms line-to-line voltage of Vuns equal to 415 V and angular frequency ω equal to 100π rad/s. The load is sufficiently inductive to smooth out the load current i(t), i.e. i 1, where I is a constant. a. Derive the mathematical expression of the average DC...
Question 5 1 pts For each of the three phase portraits below find the general solution from the suggested list The list Select ] Question 5 1 pts For each of the three phase portraits below...
Question 5 1 pts For each of the three phase portraits below find the general solution from the suggested list The list Select ]
Question 5 1 pts For each of the three phase portraits below find the general solution from the suggested list The list Select ]
Hello, how do I find the answer to this question? Thank you! Q13. Super sounds has...
Hello, how do I find the answer to this
question?
Thank you!
Q13. Super sounds has decided to reduce the annual dividends by 20% a year for the next three years. After that they will maintain a constant dividend of $1 a share. The company just paid a dividend of $2.25 on one share of its stock. What is the market value of this stock if the required rate of return is 16%? a. $7.60 b. $7.36 c. $6.25 d....
Problem 3: Sinusoidal PWM or Six-Step Control of three-phase DC-AC Inverter (45 Points) Design a three-phase inverter circuit for a solid oxide fuel cell, whose output voltage changes from 400 Vdc to 600 Vdc. Sinusoidal PWM (SPWM) A. If sinusoidal PWM is used to control the inverter, to obtain a three-phase 240 Vac (line- line RMS value) at 60 Hz, what is the inverter's modulation index (ma) range? (5points) B. Based on part A: Assume the fuel cell's output voltage...
QUESTION 2 (Total 12.5 Marks) PWM switching scheme is used for a single phase inverter with m 36 and mo0.7 and Vd 230 V (see the table in the formula sheet). Calculate the RMS values of the fundamental voltage and mf, my+2, 2m 1 harmonics (stating any approximation) if (a) a bipolar modulation scheme is used, (6.5 marks) (b) a unipolar modulation scheme is used. (6 marks) S1 S3 Load S4 Circuit diagram
QUESTION 2 (Total 12.5 Marks) PWM switching...
A purely inductive, balanced, Y-connected load having an
inductance L per phase, is fed by the three-phase half-bridge
inverter shown below in Figure Q5. The inverter is operated in the
square-wave mode (meaning that the pole voltages are square waves)
with a frequency fs.
A purely inductive, balanced, Y-connected load having an inductance L per phase, is fed biy the three-phase half-bridge inverter shown below in Figure Q5. The inverter is operated in the square-wave mode (meaning that the pole...
I want to solve the problem step by step.
Thanks
2. (20 points) Inverters. Consider a three phase inverter. Define its a mplitude ratio as the ratio between the peak amplitudes of the sine wave triangle of the triangle wave and the sine wave. Let the frequency ratio be 21. and the wave. Define its frequency ratio as the ratio between the frequency Determine and plot the following The amplitude of the fundamental frequency component of the PWM output voltage...
how do we calculate ii and iii) - induction motor
(25 marks) QUESTION 3 A three-phase, 400 V, 50 Hz, 4-pole, 1370 rpm, star connected, squirrei-cage induction motor has the following parameters: R, 20, R2- 3 Q, X1-X2- 3.5 and Xm=40 .Motor is controlled by a voltage source inverter at constant V/f ratio. By using IEEE equivalent circuit; Calculate the starting torque and starting current at 10 Hz To- If the torque-speed to be a straight line calculate the slip...
2. Figure 2 shows a 6-pulse thyristor rectifier feeding a DC static load an operating at steady-state. The ac input power supply is a symmetric set of three-phase voltages forming a direct sequence, having rms line-to-line voltage of Vuns equal to 415 V and angular frequency ω equal to 100π rad/s. The load is sufficiently inductive to smooth out the load current i(t), i.e. i 1, where I is a constant. a. Derive the mathematical expression of the average DC...
Question 5 1 pts For each of the three phase portraits below find the general solution from the suggested list The list Select ]
Question 5 1 pts For each of the three phase portraits below find the general solution from the suggested list The list Select ]
Hello, how do I find the answer to this
question?
Thank you!
Q13. Super sounds has decided to reduce the annual dividends by 20% a year for the next three years. After that they will maintain a constant dividend of $1 a share. The company just paid a dividend of $2.25 on one share of its stock. What is the market value of this stock if the required rate of return is 16%? a. $7.60 b. $7.36 c. $6.25 d....
Most questions answered within 3 hours.
-
Living in a group could bring several disadvantages to an
individual. What are some of the...
asked 1 minute ago -
Complete and balance the following reactions. In case of no
reaction occurring write NR.
Mix #1:...
asked 7 minutes ago -
If an economy consumes 75% of any increase in income, then an
increase in autonomous investment...
asked 10 minutes ago -
A shotputter throws the shot with an initial speed of 15.8 m/s
at a 38.0 ∘...
asked 26 minutes ago -
Debra and Merina sell electronic equipment and supplies through
their partnership. They wish to expand their...
asked 26 minutes ago -
How does a linear regression allow you to better estimate
trends, costs, and other factors in...
asked 34 minutes ago -
1. (15%) Describe the difference between a pull (Kanban), push
and CONWIP production systems.
asked 31 minutes ago -
QUESTION 5
The total area under the Z distribution curve is equal to:
a.
10
b....
asked 40 minutes ago -
Using Python
The variables x and y refer to numbers. Write a code segment
that prompts...
asked 54 minutes ago -
If
the coefficient of static friction between a box and the floor is
0.35 with what...
asked 56 minutes ago -
A die is designed to punch holes with a radius of 1.08 10-2 m in
a...
asked 1 hour ago -
government can increase import through
a. export subsidies
b. tax breaks
c. increase import tax
d....
asked 1 hour ago