Power Electronics Converters
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Follow on Instagram for UpdatesPower Electronics Converters Syllabus — Unit-wise Content
The official GTU curriculum for Power Electronics Converters (subject code DI05000171) as prescribed for EC · Semester 5 divides the course into 5 units, covering 21 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI05000171)Unit 1 Power Semiconductor Devices & Driver circuits Contents
- working and static characteristics of MOSFET
- IGBT, SCR, Concept of wide band gap (WBG) semiconductor materials: GaN, SiC. Realization of ideal and practical power electronics switches Protection of power semiconductor devices (Over voltage
- short circuit current
- di/dt etc.)
- cooling & heatsink for power semiconductor devices
- Design of Snubber circuit Commutation of SCR Gate & Base Driver circuits: requirements and preliminary design considerations
- Driver circuit with transformer isolation and opto isolation with examples. Function of freewheel diode. Ratings and interpretation of datasheet of power semiconductor devices Basics of Harmonics & its effects on performance
Unit 2 Line Commutated Converters Contents
- Single phase half wave& full wave bridge rectifier with R, RL and RLE load Working Principle and Analysis of Three phase half wave and full wave uncontrolled rectifierwith RLoad. Single phase full wavecontrolled rectifier with R & RL load Program Name: Diploma Engineering Level: Diploma Branch: Electrical Engineering / Renewable Energy Subject Code: DI05000171 Subject Name: Power Electronics Converters and its examples Principle of AC voltage controller: Integral cycle control and Phase control Single phase Integral control and Phase control AC Voltage controller with R load
Unit 3 DC – DCSwitched Mode Converters Contents
- Chopper: Block schematic
- SPDT representation & realization using semiconductor switches DC steady state principles: volt-sec balance
- amp-sec balance Design of Buck
- Boost and Buck-Boost converters: Topology
- modes of operation
- Derivation of L and C and its examples Selection of Power switches: Device selection
- Electrical stress rating
- Thermal stress rating Isolated DC – DC converters: Forward converter
- Flyback converter
Unit 4 INVERTERS Contents
- Basic working principle of Inverter Terminology: HF, THD, DF, LOH etc. Working & Design of single-phasehalf bridge and full bridge voltage source inverters with R & RL load with examples Voltage control in single phase inverters: single pulse
- multiple pulse and Sinusoidal PWM control Unipolar and Bipolar PWM switching techniques on single phase full bridge inverters Construction and working of three phase inverters: 120˚ mode and 180˚ mode
Unit 5 Power Electronics Applications Contents
- Soft starter of three phase induction motors Variable voltage Variable frequency control of three phase I.M. Electronics fan regulator
- Induction heaters, UPS, SMPS Simple battery charger & automatic battery charger EV car charger Program Name: Diploma Engineering Level: Diploma Branch: Electrical Engineering / Renewable Energy Subject Code: DI05000171 Subject Name: Power Electronics Converters Active power factor correction (APFC) using TSC
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