Electronics and Telecommunication Engineering - Vishwakarma ...
Electronics and Telecommunication Engineering - Vishwakarma ...
Electronics and Telecommunication Engineering - Vishwakarma ...
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Unit III<br />
INVERTERS DC / AC<br />
Bansilal Ramnath Agarwal Charitable Trust’s<br />
<strong>Vishwakarma</strong> Institute of Technology, Pune – 411 037<br />
Department of <strong>Electronics</strong> <strong>and</strong> <strong>Telecommunication</strong> <strong>Engineering</strong><br />
(8 Hrs)<br />
A. Half bridge <strong>and</strong> push pull type inverters: Circuit diagram, operation & waveforms.<br />
Full bridge inverters: Circuit diagram, operation & waveforms for R & RL loads.<br />
Switching techniques for obtaining square, quasi-square o/p waveforms. Fourier analysis<br />
of square <strong>and</strong> quasi-square voltage waveform & harmonics. Harmonic reduction<br />
techniques. Advantage of sine weighted PWM over single pulse PWM techniques.<br />
Inverter configuration for IM drive<br />
B. Numericals based on Inverter performance.<br />
Unit IV<br />
SWITCHED & RESONANT DC/ DC CONVERTERS<br />
(8 Hrs)<br />
A. Step Up / Down chopper: Circuit diagram, operation <strong>and</strong> waveforms for R <strong>and</strong> L load.<br />
Load voltage calculations. Two-quadrant, Four-quadrant chopper. Circuit diagram,<br />
operation <strong>and</strong> waveforms for R <strong>and</strong> L load. Chopper DC motor drives. SMPS: Circuit<br />
diagram, operation <strong>and</strong> waveforms, of Fly back converter <strong>and</strong> forward converter. Need<br />
for resonant converters. ZVS, ZCS Switches.<br />
B. Comparison of linear, switched <strong>and</strong> resonant power supplies.<br />
Unit V<br />
APPLICATIONS OF POWER ELECTRONICS<br />
(6 Hrs)<br />
A. Study of power circuits for Electronic ballast, HF induction heating, RF heating,<br />
Welding. ON-line <strong>and</strong> OFF line UPS, battery selection <strong>and</strong> design considerations.<br />
HVDC transmission, twelve pulse converter, <strong>and</strong> advantages over HVAC transmission.<br />
Stator voltage control for IM motors.<br />
B. Industrial applications of motor drives, Study of Cycloconverter.<br />
Text Books<br />
1. M. H. Rashid, “POWER ELECTRONICS circuits devices <strong>and</strong> applications”, PHI, 3 rd<br />
edition, 2004.<br />
2. M D Singh, K B Khanch<strong>and</strong>ani, “POWER ELECTRONICS”,2 nd Ed. TMH.<br />
Reference Books<br />
1. N. Mohan, T. M. Undel<strong>and</strong> & W. P. Robbins, “POWER ELECTRONICS,<br />
Converters Applications <strong>and</strong> Design” John Willey <strong>and</strong> sons, 3 rd edition,<br />
Singapore<br />
2. P. C. Sen,”MODERN POWER ELECTRONICS”, S Ch<strong>and</strong> & Co., New Delhi<br />
Structure & Syllabus of B.E (E&TC) Program – Pattern ‘C11’, Rev01, dt. 2/4/2011<br />
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