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7
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8.0k
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A single phase semiconverter is operated from 120V 50HZ ac. supply. The load resistance is 10 ohm. If the average output voltage is 25% of the maximum possible average output voltage.
power electronics updated 3.8 years ago by pg1118329 • 0
0
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4.5k
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What is the difference between a cyclo-converter and an ac voltage controller. Explain single phase converters with waveforms
power electronics updated 4.1 years ago by phenjoisilab • 0
0
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3.3k
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Describe the working of single-phase fully controlled bridge converter in the rectifying mode and inversion mode.
power electronics updated 4.3 years ago by teamques10 ★ 70k
1
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2.9k
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A single phase semi converter is operated from 230V, 50Hz ac supply. The load resistance is 20ohm. The average output voltage is 30% of the max. Possible average output voltage. Determine
power electronics updated 4.0 years ago by rjran106 • 20
0
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2.3k
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Explain in brief why harmonic neutralization in necessary in the output of inverter, hence explains the need of neutralization of harmonics of inverters.
power electronics updated 4.1 years ago by phenjoisilab • 0
0
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2.1k
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Design a relaxation oscillator circuit for SCR using UJT for the following data:
power electronics updated 4.0 years ago by phenjoisilab • 0
0
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1.9k
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0
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The input voltage to the buck-boost converter is Edc=14 V. The duty cycle a= 0.6 and the switching frequency is 25 Khz.
power electronics updated 4.1 years ago by phenjoisilab • 0
1
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0
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1.9k
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Explain the operation of 120-degree mode three-phase voltage source inverter (VSI).
power electronics updated 4.3 years ago by teamques10 ★ 70k
0
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1.9k
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Explain the working of single phase to single phase cyclo-converter with purely resistive load. Draw circuit diagram and waveforms.
power electronics updated 4.1 years ago by phenjoisilab • 0
0
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0
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1.8k
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Explain the working of three phase bridge inverter in 120degree conduction mode with resistive load. Draw circuit diagram and waveforms.
power electronics updated 4.1 years ago by phenjoisilab • 0
2
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1.7k
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0
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Design the beginning circuit for SCR using UJT. The UJT parameters are
power electronics updated 4.0 years ago by phenjoisilab • 0
0
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1.6k
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0
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Define and explain performance parameters of controlled rectifier.
power electronics updated 4.0 years ago by rjran106 • 20
0
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1.6k
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Half waving effect in controlled rectifier.
power electronics updated 4.0 years ago by phenjoisilab • 0
0
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1.4k
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Write short notes on Applications of of VSI and CSI.
power electronics updated 4.3 years ago by teamques10 ★ 70k
0
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0
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1.3k
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0
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Explain Performance parameters of inverters?
power electronics updated 4.3 years ago by teamques10 ★ 70k
0
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0
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1.3k
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0
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Draw the circuit diagram of single-phase full wave fully controlled rectifier with inductive load. Explain the operation of circuit relevant sketches.
power electronics updated 4.3 years ago by teamques10 ★ 70k
0
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0
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1.3k
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0
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Draw the V-I characteristics of an SCR and explain its shape. How do these characteristics change with gate current variation?
power electronics updated 4.3 years ago by teamques10 ★ 70k
0
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0
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1.3k
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0
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Explain the operation of 180-degree mode three-phase voltage source inverter (VSI).
power electronics updated 4.3 years ago by teamques10 ★ 70k
0
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0
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1.2k
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0
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Explain semi-converter circuit for the conversion of AC to DC with circuit diagram and waveforms.
power electronics updated 4.1 years ago by krithikkm200 • 10
0
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0
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1.2k
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0
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Draw and explain three phase fully controlled bridge rectifier with R load in continuous mode. Derive the relation for output voltage.
power electronics updated 4.0 years ago by rjran106 • 20
0
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0
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1.2k
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0
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Draw and explain gate characteristics of SCR
power electronics updated 3.6 years ago by phenjoisilab • 0
0
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0
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1.2k
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0
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Draw and explain the single phase fully controlled converter operation with R, RL, RE load and derive the average and rms valve of output voltage and power factor..
power electronics updated 4.3 years ago by teamques10 ★ 70k
0
votes
0
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1.1k
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0
answers
What is the need of freewheeling diode in controlled rectifier. Explain with example.
power electronics updated 4.0 years ago by phenjoisilab • 0
0
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0
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1.1k
views
0
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Explain the principle and operation of a Cuk converter and what are the merits and demerits of converter.
power electronics updated 4.3 years ago by teamques10 ★ 70k
0
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0
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1.1k
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0
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Draw two transistor model of SCR. State all current equations of IC1,IC2&IA
power electronics updated 4.0 years ago by phenjoisilab • 0
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