Electronics & Telecommunication Engineering(8th Sem.)
Industrial & Power Electronics__________________________________1. Unit-1
2. Unit-2
3. Unit-3
4. Unit-4
5. Unit-5
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Industrial & Power Electronics SyllabusUNIT – I Regulated Power Supply: Zener diode voltage regulator, Transistorized series voltage regulator, Op-amp voltage regulator using IC 741, Transistorized shunt voltage regulator, Three terminal voltage regulator using LM-340 , Switch Mode Power Supply,Comparison of Linear Power supply and SMPS. UNIT – II Silicon Controlled Rectifiers: General idea of thyristor family members. SCR- Construction, Principle of operation, Dynamic & Gate characteristics & SCR Terminologies, Different methods of turning on & turning off of SCRs(Load commutation; Forced commutation; External pulse commutation). Different methods of triggering SCR Circuits, Series & Parallel operation of SCRs. UNIT – III Power Conditioning Circuits: Inverters: Line Commutated Inverters (3 phase bridge inverter), Forced Commutated Inverters (Mcmurray Bridge inverter) Dual Converters:,Phase controlled dual converter, Single-phase dual converter, Three phase dual converter, Circulating current type dual converter – Mid-point configuration & Dual bridge configuration. Choppers: Principle of operation, Chopper control technique, Voltage step-down & Step-up chopper, Jones Chopper. Cycloconverters: Single phase/Single phase – Midpoint configuration & Bridge configuration, Three phase/Single phase cycloconverter: Types-Circulating current type,Non-circulating current type. (Only Qualitative analysis are needed in this unit) UNIT – IV Heating and Welding Control: Induction heating: Theory, Principle, Effects of supply frequency, and Choice of frequency, Applications. Dielectric heating: Electronic theory, Principle, heating in materials of irregular shape, Limitations, Effect of variation of supply voltage & frequency, Applications. Welding: Theory of Resistance welding, Classification of Resistance welding and Scheme for AC Resistance welding. UNIT – V AC Power Conditioner: Power supply Noise: Origin, Effect on computer & Communication systems, Reduction of noise, Different forms of their noise (thermal,shot,flicker & transit time noise) & Requirements and characteristics of the computer power supply system, Types of power line disturbances, Effects of power line disturbances on sensitive electronic equipment. Servo System: Servo motor, Servo-controlled voltage stabilizer:- Buck-Boost control , Constant voltage transformer, UPS: On-line & Off-line. |
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