PTU B. Tech EE V Sem Power Electronics Exam Previous Question Papers - 2017-2018 StudyChaCha

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Old May 31st, 2014, 04:57 PM
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Default PTU B. Tech EE V Sem Power Electronics Exam Previous Question Papers

Can any one here please share the previous year question paper of Punjab Technical University (PTU) for B. Tech EE V Sem Power Electronics Exam???
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Old June 1st, 2014, 07:47 PM
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Default Re: PTU B. Tech EE V Sem Power Electronics Exam Previous Question Papers

Here I am sharing the previous year question paper of Punjab Technical University (PTU) for B. Tech EE V Sem Power Electronics Exam

Discuss V-I characteristics of a thyristor. What is the effect of gate current on this characteristic?

How a thyristor can be protected against di / dt and dv / dt?

Draw the circuit diagram of a uni-junction relaxation oscillator.

What are the design considerations' for a snubber network?

What is a TRIAC? Draw a TRIAC phase cQntrolledcircuit and explain its principle of operation..

What is the principle of resonant pulse commutation? Explain resonant pulse'
commutation with the help of suitable waveforms.




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