Advanced Power Electronics Devices and Interface Circuits — Summer 2023

Explain the concept of WBG Power Semiconductor Devices.

State the advantages and applications of WBG devices.

Compare SiC devices with Si devices.

Discuss role of driver circuit in Power electronics.

Draw the pin diagram of IR2110 and explain briefly its pins.

Explain requirement & importance of Isolation in power electronics.

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 Hall effect current sensors in detail.

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

Explain the Galvanic Isolation & its importance.

Discuss Voltage Measurement using LEM LV 25-P.

Draw schematic diagram of isolated linear amplifier.

Explain in brief voltage measurement using Op-amp.

Discuss Fto V Converter.

Explain the Power Scope.

State applications of Logic Analyzer.

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

Which type of core is required for high frequency switching applications? State different types of cores used in practice.

Explain Transformer Design for Forward converter.

Explain the Natural Cooling & forced Cooling of Heat Sinks.

What is energy equation of inductor?

Compare active and passive heat sink.

Give the concept of thermal resistance. Describe the analogy between thermal and Electrical quantities.