Power Electronics
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Power Electronics Syllabus — Unit-wise Content
The official GTU curriculum for Power Electronics (subject code 4346404) as prescribed for RE · Semester 4 divides the course into 3 units, covering 31 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 (4346404)Unit 1 Power Electronic Devices- Protection & Control
- 1.1. Thyristor family
- 1.2. Working and characteristics of SCR, IGBT, GTO, MCT, UJT, Diac, Triac
- 1.3. Need of SCR protection- Over voltage, over current, di/dt, dv/dt Heating,
- 1.4. Need of snubber circuit, heatsink, freewheeling diode.
- 1.5. Turn off (commutation) method and types- Natural commutation, Forced commutation, Series resonance/ current commutation, Voltage commutation.
- 1.6. Specifications of SCR: Voltage, current, Power, temperature, dv/dt and di/dt
- 1.7. Triac AC load control. Unit-II 2a. Need of polyphase rectifier 2.1 compare single phase and 3 phase rectifiers. Power Electronics Course Code: 4346404 Topics and Sub-topics AC to DC convertor 2b.Compare various polyphase uncontrolled rectifier 2c.Differentiate working of single phase halfwave, fullwave- controlled rectifiers.& three phase half & full wave controlled rectifier. 2d.Describe Effect of transformer reactance, &PIV.
- 2.2. Three phase half wave, full wave uncontrolled rectifier
- 2.3. Six phase half wave, double star six phase rectifier
- 2.4. Derive rms current and voltage Idc and Edc for 3 phase half and full wave rectifier.
- 2.5. Transformer reactance, SUF,
- 2.6. Controlled rectifier: Principle of phase control, single phase half wave, single phase full wave controlled rectifier. Three phase half & full wave controlled rectifier.
- 2.7. Role of regulators and rectifiers in energy conservation
Unit 2 DC to DC & AC to AC convertor
- 3.1. Working Principle of Chopper
- 3.2. Configuration of Chopper
- 3.3. Types of chopper circuits: A type to E-type
- 3.4. Jone’s & Morgan Chopper
- 3.5. Chopper control
- 3.6. Working principle of AC voltage controller
- 3.7. Types of AC voltage controller
- 3.8. Single phase AC voltage controller with R & RL load
- 3.9. Three phase AC voltage controller with R load
- 3.10. Explain working principle of cyclo converter
- 3.10. Classify Cyclo converter
- 3.11. Explain step up & step down Cyclo converter.
Unit 3 DC to AC convertor
- 4.1. Working Principle of Inverter.
- 4.2. Single phase inverters- series inverter, parallel inverter and half and full bridge, square wave, quasi wave inverter.
- 4.3. Three phase inverter with 120 & 180 degree conduction mode
- 4.4. Methods of Voltage control in inverter- single pulse, multiple pulse and sine pulse modulation
- 4.5. Introduction to multilevel inverter- 3 level inverter, diode clamped and capacitor clamped
- 4.6. Basics of Harmonics and power quality in power electronic
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