EE8552 PE 2marks 16marks, POWER ELECTRONICS Question Bank, PE Short Answers 5th Sem


EE8552 PE 2marks

Anna University Regulation 2017 EEE EE8552 PE 2marks & 16marks for all 5 units are provided below. EE8552 PE Short answers, Question Bank for POWER ELECTRONICS Engineering are listed down for students to make perfect utilization and score maximum marks with our study materials.


1.What is rectification?

process of converting ac into pulsating DC with the help of power semiconductor devices such as Diodes,SCR,transistors etc.

2. Classification of Rectifiers?

  • Uncontrolled rectifiers
  • controlled rectifiers

3.Types of controlled Rectifiers?

  • Input supply
  • quadrant operation
  • No. of pulses

4.Application  of controlled rectifiers?

  • DC moton speed control
  • DC supply for investers
  • DC traction

HVDC Transmission

5. What is chopper?

Chopper is a high speed static switch used to obtain variable dc voltage from a constant dc voltage. It can be considered as dc equivalent to an ac transformer

6. Basis types of choppers?

  • Step down choppers
  • Step up choppers

7.What is time ratio control?

Time ratio between TON and T  is varied. this is realized in 2 different strategies

  • Constant frequency
  • variable frequency

8.What is variable frequency scheme?

In this scheme, either TON (or) TOFF  is kept constant and the chopping period (T) is variable. This method is  called freq modulation scheme.The chopping  frequency has to be  varied over a wide range  for the control of voltage. filter design is quit difficult.

9.Types of chopper circuits?

  • chopper circuits are unidirectional devices.(ie) polarities of O/P voltage and the direction of current are restricted.
  • Chopper can operate in any of the 4 quadrants by an appropriate arrangements.

10.Define of Cycloconverters?

A device which converts input power at one frequency to out power at a different frequency with one stage conversion is called a cyclo converters. It is also called one stage frequency changer.

EE8552 PE Unit 1 2marks & 16marks – Download Here

EE8552 PE Unit 2 2marks & 16marks – Download Here

EE8552 PE Unit 3 2marks & 16marks – Download Here

EE8552 PE Unit 4 2marks & 16marks – Download Here

EE8552 PE All Units 2marks & 16marks – Download Here

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Related Links

For EE8552 PE Previous Year Question Papers – Click here

For EE8552 PE Important Questions/Answer Key – Click here

For EE8552 PE Lecture Handwritten Notes – Click here

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EE8552 2marks, PE Unit wise short answers – EEE 5th Semester


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