# Electrical Engineering Labs

## 1. Electronics Lab

The objective of this lab is to supplement, in a practical way, the material learned by the students in Electronics related courses. The lab facilitate the students in the following aspects:

• Serve as a platform for practical implementation of electronic circuits and projects.
• Provide simulation environment of projects.
• Advance student concepts through practical implementation.

### Equipment

• PCs
• Digital Oscilloscope
• Function Generator
• Digital Millimeter benchtop
• DC Power Supply
• Multimeter handheld
• Digital-Analog Trainer Board
• Discrete Components

### Key Capabilities

• Familiarization with the working of Basic Laboratory Equipment
• Verification of KVL, KCL, Voltage & Current Divider Rule
• Investigation of Mesh and Nodal Analysis of Circuits
• Verification of Thevenin and Norton Equivalent Circuit
• Demonstration of Digital Oscilloscope and Function Generator Operation
• Investigation of RC and RL Circuit behavior and visualization of resultant waveforms
• Demonstration of Operational Amplifier functions
• Familiarization with the Characteristics, Application and Properties of Diode
• Introduction, Analysis, Hardware Implementation and Application of BJTs

## 2.Communication Lab

The objective of this lab is to provide the foundation knowledge of communication system design and analysis. The labs objectives are:

• Facilitates the students in understanding the basic theories of analog and digital communication
• Students learn to design and simulate communication circuits
• To design and implement analog/ digital modulator and demodulator
• Students develop a solid understanding of communication signals in the time and frequency domain

### Equipment

• Digital/Analog Communication Lab Platform
• SDRs
• DSP kits

### Key Capabilities

• Introduction to MATLAB, basic mathematical operations, variables, vectors, matrices basic plotting and MATLAB Programming
• Analysis of Continuous Time Scaling and Shifting Transformation Techniques
• Determination of linearity and time invariance of a system
• Generation of convolution and correlation algorithm between two signals.
• Identification of a periodic signals corrupted by noise as application of correlation
• Understanding the concepts of Fourier Transform and carryout Fourier Synthesis of a square wave
• Examination of the parameters of amplitude modulated signal and demodulation of AM using Envelope Detector
• Observation of the operation of product detector and balanced amplitude modulator with suppressed carrier.
• Examination of the main parameters of the single sideband modulation and to check the use of filters to generate the SSB
• Examination of the operation of RF and AM-RF (Radio Frequency) transmitter/receiver

## 3.Electrical Machines Lab

The Electrical Machines laboratory is a well-equipped laboratory for instructions and research. It is specially used to carry out practical work for Electrical Machines using latest machine trainers. The purpose of this lab is to give students hands on experience on AC as well as DC motors & generators. It is also design to provide supports to the research activities in the areas of machining and machine tool systems. The trainers are specially acquired in order to perform experiments related to Single Phase/Three Phase Transformers, Induction motors, synchronous machines etc. Objectives of this lab are to:

• To provide the students a chance to put theory into practice.
• To get familiar with DC machines, Transformers, synchronous machines and induction motors and give them experimental skills
• To calculate the various parameters and characteristics of the electrical machine
• To understand the basic principles of operation of electric machines, their classification, and basic efficiency and performance characteristics.
• To understand the operation and basic configuration of AC machines, including the synchronous motor and generator, and the induction machine

### Equipment

• Electric machines Trainer System

### Key Capabilities

• Analysis of Speed Control of a D.C Shunt Motor
• Acquisition of Brake Test on a DC Shunt Motor and DC Compound Motor
• Identification of Open Circuit Characteristics of a DC Shunt Generator
• Carrying out the Load test on a D.C. Shunt Generator, D.C. Series Generator and D.C. Compound Generator
• Determination of Hopkinson Test and Fields Test
• Observation of Retardation Test on D.C. Shunt Motor
• Determination of Swinburne’s Test
• Demonstration of Separation Of Losses in DC shunt motor