EI2301 INDUSTRIAL ELECTRONICS Lecture Notes for EIE - Fifth (5th) Semester
EI2301 Lecture Notes
UNIT I POWER DEVICES
Power diode – Power transistor – Power MOSFET – SCR – TRIAC – GTO – IGBT – MCT –
Protection of power devices.
UNIT II CONVERTERS
Introduction to half wave, full wave and bridge rectifiers – Single phase and three phase – Half
controlled and fully controlled converters – Dual converters – Introduction to cyclo converters and
UNIT II I INVERTER AND CHOPPER
Voltage, current and load commutation – Voltage Source Inverter (VSI) – Series and Parallel
inverter – Bridge inverters – Single and three phase – Voltage control using PWM – Current Source
Inverter (CSI) – Choppers – Step up and step down choppers – Chopper classification – Class A,
B, C, D, E – AC choppers.
UNIT IV DC AND AC DRIVES
Steady state characteristic of dc motors – Control of DC motor using converters and choppers –
Regenerative and dynamic braking – Closed loop control scheme – Speed-torque characteristic of
induction motor – Static stator voltage control – V/f control – Static rotor resistance control – Slip
power recovery scheme – Self control of synchronous motor
UNIT V OTHER APPLICATIONS
Electronic timers – Digital counters – Voltage regulators – Online and offline ups – Switched mode
power supply – Principle and application of induction and dielectric heating.
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