Power Electronics & Instrumentation for BE VTU Course 18 OBE & CBCS

by J.S. Chitode, U.A. Bakshi

Module-1 Introduction : History, Power Electronic Systems, Power Electronic Converters and Applications. Thyristors : Static Anode-Cathode characteristics and Gate characteristics of SCR, Turn-ON methods, Turn-OFF mechanisms, Turn-OFF Natural and Forced Commutation - Class A and Class B types, Gate Trigger Circuit : Resistance Firing Circuit, Resistance capacitance firing circuit, Unijunction Basic operation and UJT Firing Circuit. (Chapter - 1) Module-2 Phase Controlled Converter : Control techniques, Single phase half wave and full wave controlled rectifier with resistive and inductive loads, effect of freewheeling diode. Choppers : Chopper Classification, Basic Chopper operation : step-down, step-up and step-up/down choppers. (Chapter - 2) Module-3 Inverters : Classification, Single phase Half bridge and full bridge inverters with RL load. Switched Mode Power Supplies : Isolated Flyback Converter, Isolated Forward Converter. Principles of Measurement : Static Characteristics, Error in Measurement, Types of Static Error. Multirange Ammeters, Multirange voltmeter. (Chapters - 3, 4) Module-4 Digital Voltmeter : Ramp Technique, Dual slope integrating Type DVM, Direct Compensation type and Successive Approximations type DVM. Digital Multimeter : Digital Frequency Meter and Digital Measurement of Time, Function Generator. Bridges : Measurement of resistance, Wheatstone’s Bridge, AC Bridges-Capacitance and Inductance Comparison bridge, Wien’s bridge. (Chapters - 5, 6) Module-5 Transducers : Introduction, Electrical Transducer, Resistive Transducer, Resistive position Transducer, Resistance Wire Strain Gauges, Resistance Thermometer, Thermistor, LVDT. Instrumentation Amplifier using Transducer Bridge, Temperature indicators using Thermometer, Analog Weight Scale Programmable Logic Controller : Structure, Operation, Relays and Registers. (Chapters - 7, 8)

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Published August 13, 2020