Unit 1 Power Semiconductor Devices And Characteristics

8 lecture hours

• Operating principle and switching Characteristics: Power diodes
• Power BJT, Power MOSFET
• IGBT, SCR, TRIAC, GTO, MCT, Power integrated circuits (PIC) – Drive and Protection circuits – Series and parallel operation – Commutation – Simulation tools

Unit 2 Controlled Rectifiers And Ac Controllers

9 lecture hours

• Single phase – Three phase – Half controlled – Fully controlled rectifiers – Dual converters -Effect of source and load inductance - AC voltage controllers –Introduction to Cycloconverters
• Matrix converters

Unit 3 DC To DC Converters

7 lecture hours

• Step up and Step down Chopper – Chopper classification - quadrant of operation – Switching mode Regulators – Buck
• Buck-Boost, and Cuk Regulators

Unit 4 Inverters

8 lecture hours

• Voltage source Inverters – Half bridge – Full bridge – Three Phase Bridge Inverters – Voltage control– PWM Techniques – Current Source Inverters: Capacitor Commutated Inverter- Resonant inverters: Series
• Parallel, ZVS, ZCS – Introduction to multilevel Inverters

Unit 5 Drives And Control

• Static and Dynamic equations of dc and ac machines – Electrical breaking – Rectifier and chopper control of DC drives – Principles of v/f control of AC drives – Open loop and Closed loop schemes for DC and AC drives(Block diagram approach only) – Introduction to vector control of AC drives. 8 Subject Code: 3164104 w.e.f