The Complete 18ec36 | Power Electronics & Instrumentation Notes

Description

VTU 18EC36 - Power Electronics & Instrumentation: Course Summary

Course Code: 18EC36

Course Title: Computer Organization and Architecture

University: Visvesvaraya Technological University (VTU)

Summary:

Power Electronics and Instrumentation is a vital field of study that intersects electrical engineering, electronics, and instrumentation. This discipline focuses on the efficient and precise control of electrical energy, making it essential in various industries, from renewable energy systems to industrial automation. This brief summary provides an overview of key concepts and applications in Power Electronics & Instrumentation.

1. Power Electronics:

Power electronics deals with the conversion and control of electrical power. It includes devices like converters, inverters, and rectifiers that can change the voltage, frequency, and waveform of electrical energy. These devices are crucial in applications like variable speed drives, renewable energy systems, and electric vehicles.

2. Instrumentation:

Instrumentation involves the design and use of instruments and sensors to measure, monitor, and control various parameters, such as temperature, pressure, flow, and voltage. Accurate instrumentation is vital in industries like healthcare, manufacturing, and aerospace.

3. Applications:

The applications of Power Electronics & Instrumentation are diverse. Power electronics is used in motor control, grid integration of renewable energy sources (solar, wind), and uninterruptible power supplies (UPS). Instrumentation is employed in industries to ensure quality control, process optimization, and safety.

4. Control Systems:

Power electronics and instrumentation often work in tandem with control systems. These systems use feedback loops to maintain desired operating conditions and ensure stability and efficiency in various processes.

5. Sensors and Transducers:

Sensors and transducers are essential components in instrumentation. They convert physical parameters into electrical signals that can be measured and analyzed. These devices are found in temperature sensors, pressure transducers, and more.

6. Digital Signal Processing (DSP):

DSP plays a significant role in both power electronics and instrumentation. It allows for the processing of analog signals in a digital format, enabling advanced control algorithms and signal analysis.

7. Challenges:

Power electronics and instrumentation face challenges such as improving energy efficiency, reducing power losses, and enhancing measurement accuracy. Researchers and engineers in this field continually work on innovations to overcome these challenges.

In conclusion, Power Electronics & Instrumentation is an interdisciplinary field that combines electrical engineering, electronics, and measurement techniques to control power efficiently and accurately. It has widespread applications across various industries and is critical for the advancement of technology and automation. Students studying this field will gain a deep understanding of the principles and technologies behind modern power systems and instrumentation devices.

What will you learn?

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 Methods: Natural and Forced Commutation – Class A and Class B types, Gate Trigger Circuit: Resistance Firing Circuit, Resistance capacitance firing circuit, Unijunction Transistor: Basic operation and UJT Firing Circuit. (Text 1)

Module-2

Phase Controlled Converter: Control techniques, Single phase half wave and full wave controlled rectifier with resistive and inductive loads, the effect of the freewheeling diode. Choppers: Chopper Classification, Basic Chopper operation: step-down, step-up and step-up/down choppers. (Text 1)

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.(Text 1) Principles of Measurement: Static Characteristics, Error in Measurement, Types of Static Error. (Text 2: 1.2-1.6) Multirange Ammeters, Multirange voltmeter. (Text 2: 3.2, 4.4 )

Module-4

Digital Voltmeter: Ramp Technique, Dual slope integrating Type DVM, Direct Compensation type and Successive Approximations type DVM (Text 2: 5.1-5.3, 5.5, 5.6) 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. (Text 2: refer 6.2, 6.3 up to 6.3.2, 6.4 up to 6.4.2, 8.8, 11.2, 11.8-11.10, 11.14).

Module-5

Transducers: Introduction, Electrical Transducer, Resistive Transducer, Resistive position Transducer, Resistance Wire Strain Gauges, Resistance Thermometer, Thermistor, LVDT. (Text 2: 13.1-13.3, 13.5, 13.6 up to 13.6.1, 13.7, 13.8, 13.11). Instrumentation Amplifier using Transducer Bridge, Temperature indicators using Thermometer, Analog Weight Scale (Text 2: 14.3.3, 14.4.1, 14.4.3). Programmable Logic Controller: Structure, Operation, Relays and Registers (Text 2: 21.15, 21.15.2, 21.15.3, 21.15.5, 21.15.6).