EE8552 - Power Electronics - Unit-2 Two marks

Subject Name: Power Electronics

Subject Code: EE8552

B.E. EEE/Mechatronics Dept - semester 05

Anna University Regulation 2017 B.E. EEE/Mechatronics Dept 5th semester EE8552(Power Electronics) 2 marks for 2nd unit is provided below. EE8552 all units 2 marks, Power Electronics all units notes & syllabus are listed down for students to utilize it for scoring maximum marks with our study materials.

1.Define the delay angle of phase controlled rectifier.

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2.What is full converter ? What is dual converter ?

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3.What is the function of freewheeling diode in semiconverter ?

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4.What is freewheeling diode, and what is its purpose ? State its advantages.

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5.What is the effect of inductive load in the performance of a three phase bridge rectifier ?

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6.What are the parameters that are evaluated in rectifiers?

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7.It is required to operate a single phase full converter in the inverter mode with RLE load. Should the average output voltage be more or less than ‘E’ during inverter operation ? Why ?

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8.List various applications of phase controlled converters.

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9.State the principle of phase control in AC-DC converters.

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10.Define : Distortion factor.

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11.What is inversion mode of rectifiers?

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12.Why power factor of semi converter is better than full convertor ?

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13.What are the advantages of three phase converter over single phase converter?

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14.List out the drawbacks of phase controlled converters.

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15.Write any two applications of dual converters.

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16.What do you mean by 6 pulse converter ?

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17.Mention the disadvantages of dual converter with circulating current mode of operation.

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18.What is overlap angle ?

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19.What are the effects of source inductance ?

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20.Classify the different types of controlled rectifier.

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21.Define input power factor.

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22.Distinguish between symmetric and asymmetric semiconverter configuration.

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23.What is the cause of circulating current in dual converters?

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24.Compare half controlled and full controlled rectifier. (or) List out the difference between full and semi converter.

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