EE8552 Important 8 Mark Questions Power Electronics
EE8552 Important 8 Mark Questions Power Electronics Regulation 2017 Anna University free download. Power Electronics Important 8 Mark Questions EE8552 pdf free download.
Sample EE8552 Important 8 Mark Questions Power Electronics:
Describe the operation of three phase semiconverter with R load and also draw the output voltage waveforms for 30° and 90°. (13)
Explain the operation of a single phase full converter with RLE load using relevant waveforms. obtain the expressions for its average output voltage and RMS value of output voltage . (13)
Analyze the effect of source inductance in the operation
of single phase fully controlled converter with relevant diagram and analysis. (13) EE8552 Important 8 Mark Questions
(i) Discuss the effect of series inductance on the performance of the single phase full converter indicating clearly the conduction of various thyristors during one cycle. (13)
A 230 V ,50 Hz supply is connected to load resistance of
12Ω through half wave controlled rectifier .If the firing angle is 60m degree ,Calculate
(i) Average output voltage (4) (ii) RMS output voltage (3)
(iii)Ratio of rectification and (3) (iv)Transformer utilization factor (3)
Explain the operation of a three phase ,fully controlled
bridge converter with associated waveforms. (13) EE8552 Important 8 Mark Questions
Summarize the operation of single phase two pulse midpoint converter with relevant voltage and current waveforms. (13)
(i) Label the operating principle of single phase dual converter
(7) EE8552 Important 8 Mark Questions
(ii) A single phase full converter is connected with R-load.The source voltage is 230 V 50 Hz.The average load current is 10A For R=20 Ω find the firing angle.
| Subject name | POWER ELECTRONICS |
| Short Name | PE |
| Semester | 5 |
| Subject Code | EE8552 |
| Regulation | 2017 regulation |
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