Design a three-phase DC to AC converter and show phase-A using IGBT and diodes in simulink
Design a three-phase DC to AC converter and show phase-A using IGBT and diodes in simulink
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Design a three-phase DC to AC converter and show phase-A using IGBT and diodes in simulink
Design a three-phase DC to AC converter and show phase-A using IGBT and diodes in simulink
Design a three-phase DC to AC converter and show phase-A using IGBT and diodes in simulink
Design three phase AC/DC converter with the following parameters - Vin (Line-Line) = 400 rms -...
Design three phase AC/DC converter with the following parameters - Vin (Line-Line) = 400 rms - Frequency = 50 Hz - Vout = 0 to 450V
Consider a three-phase thyristor-based AC-DC converter supplying a “superconductive inductance” of 10 H and 200 A....
Consider a three-phase thyristor-based AC-DC converter supplying a “superconductive inductance” of 10 H and 200 A. The grid voltage is 400VLL/60Hz. A) What is the shortest time to fully charge the Inductor, from “zero energy condition?” What value of firing angle of the thyristors (α) should be used in this case? B) When the inductor is fully charged, what value of α should be used to keep it at “stand-by”? How much reactive power does the AC-DC converter absorb from...
Problem 2: (40 points) Consider a three phase dc-ac converter employing space vector PWM using th...
Problem 2: (40 points) Consider a three phase dc-ac converter employing space vector PWM using the conventional sequence (0127 in Sector 1). The sampling interval Ts is 100 μs and the dc link voltage is 400 V. (a) Calculate T1, T2 and Tz for the following two cases REF (in per unit)- 0.7530 and (2) REF(in per unit)- 0.75280 (b) Draw the waveforms of VaN, Vh and VeN for the above two cases over two sampling intervals (c) Draw the...
For the above SMES system shown in Figure 1, i) Why is the step down transformer...
For the above SMES system shown in Figure 1,
i) Why is the step down transformer used?
ii) In the voltage source converter component, what are the
roles of the diodes and IGBTs?
iii) Why is the capacitor used between the voltage source
converter and the DC-DC chopper?
iv) Is the current through the SMES coil flowing from top to
bottom or from bottom to top or from both directions? Explain your
answer.
Voltage Source Converter using IGBT DC-DC chopper...
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...
A) Draw the circuit diagram and design a half wave rectifier AC-DC converter to deliver 12V-DC...
A) Draw the circuit diagram and design a half wave rectifier AC-DC converter to deliver 12V-DC with a ripple of 10 mV for a load current of 0.5 A - Design means to find the capacitor value and the ratio of the turns in the transformer assuume the supply voltage is 120v and 60Hz B) Calculate the Peak Inverse Voltage, average and max current through the diode.
esign three phase AC/DC converter with the following parameters - Vin (Line-Line) = 400 rms - Frequency = 50 Hz - Vout = 0 to 450V Simulate the converter under the following conditions 1- The load is...
esign three phase AC/DC converter with the following parameters - Vin (Line-Line) = 400 rms - Frequency = 50 Hz - Vout = 0 to 450V Simulate the converter under the following conditions 1- The load is Resistive, with 20Ω. Study the operation of the converter in term of: o Output voltage o Output current o Thyristor voltage and current o Relation of output voltage with firing angle alpha o Input and output harmonic spectrum.
determine the gain of the linearized controller For a three-phase controlled converter, if the maximum control...
determine the gain of the linearized controller
For a three-phase controlled converter, if the maximum control voltage of a DC converter is 120 V and the rms value of the ac input voltage is 380 V. 6.34 4.28 7.25 10.39 2.35
please solve this problem with detail explainations. Thanks Problem # 1 If the available power source is a three-phase, 60 Hz, ac supply and a separately excited DC motor is to be fed from this sourc...
please solve this problem with detail explainations. Thanks
Problem # 1 If the available power source is a three-phase, 60 Hz, ac supply and a separately excited DC motor is to be fed from this source, configure possible drive circuits for iOne-Quadrant Operation, i) Two-Quadrant Operation ) Four- Quadrant Operation Hints: (See below for the single phase diagram) For one-quadrant operation, the motor control circuit is a half-wave controlled rectifier or a se controlled converter and the driver for the...
Problem 2: (40 points) Consider a three phase dc-ac converter employing space vector PWM using the conventional sequence (0127 in Sector 1). The sampling interval Ts is 100 μs and the dc link voltage is 400 V. (a) Calculate T1, T2 and Tz for the following two cases REF (in per unit)- 0.7530 and (2) REF(in per unit)- 0.75280 (b) Draw the waveforms of VaN, Vh and VeN for the above two cases over two sampling intervals (c) Draw the...
For the above SMES system shown in Figure 1,
i) Why is the step down transformer used?
ii) In the voltage source converter component, what are the
roles of the diodes and IGBTs?
iii) Why is the capacitor used between the voltage source
converter and the DC-DC chopper?
iv) Is the current through the SMES coil flowing from top to
bottom or from bottom to top or from both directions? Explain your
answer.
Voltage Source Converter using IGBT DC-DC chopper...
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...
determine the gain of the linearized controller
For a three-phase controlled converter, if the maximum control voltage of a DC converter is 120 V and the rms value of the ac input voltage is 380 V. 6.34 4.28 7.25 10.39 2.35
please solve this problem with detail explainations. Thanks
Problem # 1 If the available power source is a three-phase, 60 Hz, ac supply and a separately excited DC motor is to be fed from this source, configure possible drive circuits for iOne-Quadrant Operation, i) Two-Quadrant Operation ) Four- Quadrant Operation Hints: (See below for the single phase diagram) For one-quadrant operation, the motor control circuit is a half-wave controlled rectifier or a se controlled converter and the driver for the...
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