b)

b)

b)

a) Explain what makes the design of fly back transformer different from 5marks
other transformers. Explain its design using area-product approach

Explain different types of heat transfer methods 4103۴

PART B

What is the effect of parasitic inductance in power electronic module?

Explain the techniques to reduce parasitic inductance
9 marks

Draw a 3 phase inverter driver circuit using IR 21 10. With necessary 9 marks
connection diagram, explain the necessity of each element connected extemal to
the driver IC

a) Explain the working of any one TRIAC driver circuit with relevant5 marks
diagrams.

Explain the effect of Free wheel diode recovery surge in power 4 marks electronic
modules due to parasitic inductance

PART C

Explain over current protection using de-saturation scheme 1 2 marks

Explain the common mode noise of EMI. Draw and explain the working 12
marks of a common mode filter

a) Draw the diagram showing an integrated inverter system 6 marks

Explain common mode filters, to suppress electromagnetic interference 6 marks