Vishwakarma Institute of Technology B.E. (Electronics)
Vishwakarma Institute of Technology B.E. (Electronics)
Vishwakarma Institute of Technology B.E. (Electronics)
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Bansilal Ramnath Agarwal Charitable Trust’s<br />
<strong>Vishwakarma</strong> <strong>Institute</strong> <strong>of</strong> <strong>Technology</strong>, Pune – 411 037<br />
Department <strong>of</strong> <strong>Electronics</strong> Engineering<br />
FF No. : 654<br />
EC30106:: POWER ELECTRONICS<br />
Credits: 03<br />
Teaching Scheme: - Theory 3 Hrs/Week<br />
Prerequisites: Basics <strong>of</strong> semiconductor devices, Fourier series analysis approach<br />
Objectives:<br />
• To explain the necessity <strong>of</strong> power conversion.<br />
• To discuss physics & applications <strong>of</strong> various devices used for conversion<br />
• To explain techniques & control <strong>of</strong> power conversions<br />
• To apply analytical tools for performance evaluation<br />
• Mapping with PEO : 1,2,3,6,7,8,9<br />
Unit I<br />
POWER DEVICES<br />
(10 Hrs)<br />
A. Structural modifications for power devices.<br />
Structure, Characteristics, ratings <strong>of</strong> Power Diode SCR, GTO, IGBT<br />
Comparison <strong>of</strong> above devices with Power MOSFET & Power BJT<br />
Driver Circuits (isolated & non-isolated) for IGBT & SCR<br />
Commutation circuits for SCR<br />
Protection circuits for IGBT & SCR<br />
B. Comparison <strong>of</strong> all power devices and suitability for applications.<br />
Silicon Carbide (SiC), Gallium Nitride (GaN)-based power devices. Suitability <strong>of</strong> these<br />
devices for high power circuits.<br />
Unit II<br />
CONTROLLED RECTIFIER<br />
Structure & Syllabus <strong>of</strong> B.E (<strong>Electronics</strong> ) Program – Pattern ‘C11’, Rev01, dt. 2/4/2011<br />
26<br />
(8 Hrs)<br />
A. Concept <strong>of</strong> line commutation.<br />
Single-phase half wave and full wave controlled rectifier: Circuit diagram, operation,<br />
waveforms for resistive and level (highly inductive) loads.<br />
Single phase semi and full bridge controlled rectifier: Circuit diagram, operation,<br />
waveforms for R, L and RLE loads. Average and RMS expressions for o/p voltage.<br />
Fourier analysis <strong>of</strong> supply current. Performance metrics : Fundamental power factor,<br />
Current distortion factor, Active, reactive & apparent power.<br />
B. Numericals based on converters.
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