Advanced Power Electronics Devices and Interface Circuits — Winter 2023

Explain important of band gap in semiconductors.

State the advantages and applications of WBG devices.

Give the comparison of WBG (SiC, GaN) and Si devices.

State functions of driver circuits.

Explain importance of isolation in power electronics.

Draw the pin diagram of Isolated Driver Circuits based on TRIAC Driver IC (e.g. MOC3021) and explain briefly its pins

Draw the schematic of relay driver ULN 2803 for driving a motor load using a microcontroller. Explain its working.

Enlist isolated and non-isolated driver ICs.

Write short note on Current Transformer.

Explain the Hall Effect Current Sensors & Linear Opto coupler.

Draw pin diagram of single switch driver IC (e.g. TLP250).

Discuss Gate Drive Requirements Of High-Side Devices.

Explain the interfacing of signals using Galvanic Isolation.

Draw schematic diagram of isolated linear amplifier.

Write short note on Measuring and Interfacing Analog Signals.

Explain Fto Vconversion using LM331.

List out applications of Logic Analyzer.

Write a short note on current probe and voltage probe.

Discuss design of high frequency Inductor for DC-DC converter circuit with appropriate example.

Enlist various types of cores used in high frequency magnetic design.

Explain Transformer Design for Flyback converter.

Explain forced and natural cooing of heat sinks.

Discuss considering of grounding for Power Circuits.

Discuss thermal resistance & its Consideration.

Explain heat sink calculations and design in detail.