The _________ model has the advantage that the parameters are defined by the actual operating conditions.
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The _________ model has the advantage that the parameters are defined by the actual operating conditions.
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- Q1- For single phase voltage source bridge inverter: 1- Draw the circuit. 2- With R=102 , L=50mH, frequency is 50 Hz , supply voltage is 450V and quasi-square wave output and a 50 percent on time, draw the waveforms of output voltage (VL.) and load current (iL) when I=25.05A , Io= -9.217A. 3- Calculate the RMS value of output voltage and mean output power.A single-phase half-bridge inverter is connected to a 196V d.c. source. A series connected R-L load has R = 50 ohm, L = 60mH. The inverter frequency is 50HZ. a) Determine the values of the rms load current. b) Calculate the load power. c) Calculate the total harmonic distortion factor (THD) up to the 9th harmonics. d) Calculate the amount of loss caused by harmonics.For single phase voltage source bridge inverter: 1- Draw th circuit. 2- With R=102, L=50mH, frequency is 50 Hz and supply voltage is 400V and square wave output, draw the waveforms of vo and io. 3- Calculate the RMS value of output voltage and mean output power.
- 4) A single phase full bridge inverter will be used to generate 50 Hz square wave voltage. Inverter the input voltage is 400 V and the load consists of inductance and resistance connected in series. (R=10Ω, L=31.83 mH) a) Draw the circuit b) Plot the load current, showing the load voltage and semiconductor currents. c) Load voltage is effective calculate the value d) Calculate the effective value of the main harmonic of the load current. e) Calculate the average load current. f) Find the THD of the load voltage3. A single-phase to single-phase cycloconverter "bridge type" with input voltage and frequency 150V and 50Hz. respectively. The output frequency is 10Hz and the firing angle equal to 45°. The load is resistance with the value of 1002 in series with reactive inductance of the value of 20mH. Assume the extinction angle equal 180°. a. Draw the waveforms output voltage, output current, source current, the thyristors currents (iT, IT, IT and in) b. Calculate the rms of output voltage. c. The rms current of each thyristor. d. The input power factor2. A single-phase half--bridge inverter is connected to a 600V d.c. source. A series connected R-L load has R = 60 ohm, L= 70mH. The inverter frequency is 60 Hz. Determine the values of the rms load current, the load power and the total harmonic distortion factor, up to the 11th harmonic.
- For single phase voltage source bridge inverter 1. Draw the circuit. 2 With R 100. I SOmH frequency is 50 Hz and supply voltage is 380V. With square wave output draw the waveforms of output voltage v1 and load current i . 3 Calculate the RMS value of output voltage and mean output power.QUESTION SEVEN A single-phase bridge inverter is fed from 230 V dc. In the output voltage wave, only fundamental component of voltage is considered. Determine the rms current ratings of an SCR and the diode of the bridge for the following types of loads: (a) R = 20 (b) wL = 29. Find also the repetitive peak voltage that may appear across a thyristor in parts (a) and (b).Question 5 A three phase bridge inverter is fed from a 500 V DC source. The inverter is operated in 1800 conduction mode and it is supplying a purely resistive, star-connected load with R=15 Q per phase. Determine the: (a) RMS value of phase voltage (b) RMS value of line voltage (c) RMS value of load current (d) RMS and average value of switch current (e) power delivered to the load and (f) the average source current
- A modified square wave DC-AC inverter is designed using an H-bridge. The output waveform voltage is illustrated below with = 20.0° a. Determine the RMS (effective) voltage of the waveform. b. Determine the THD of the resulting voltage wave form. 200 -200 Vo, [V] e 180° 360° 540°What is not a possible solutions to improve performance ..... of PCM?a. Use of linear PCM codesb. Use of non-linear PCM codes tryc. Use of companded systemsd. Increase number of PCM bitsA single phase inverter is supplied from a 400V dc link and controlled with unipolar sinusoidal PWM with m;=10 and m=0.9 , determine the duty ratio of the switching functions a and b over the output voltage period and draw the switching functions and the output voltage waveforms.
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