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Laboratories

Laboratories

 

i. Electrical Workshop


Workshop practice is the backbone of the real industrial environment which helps to develop and enhance relevant technical hand skills required by the technician working in the various engineering industries and workshops. This Lab is intended to impart basic know-how of various hand tools, electrical and electronics equipments, their use in different sections of Wiring Techniques, Soldering Techniques, Basic Network Communication and Designing of Electrical. Irrespective of branch, the use of workshop practices in day to day industrial as well domestic life helps to dissolve the problems.

Sl.
No.

Name of experiment

Study Experiments

1

Study of Electric Power Supply

2

Study of cables/wires and switches

3

Study of safety devices – fuses ,MCB & ELCB

4

Study of house wiring – types

Hardware Experiments

1

Wiring of simple light circuit

2

Staircase wiring

3

Godown/ Tunnel wiring

4

Wiring of fluorescent lamps and plug socket (6A)

5

Wiring of power circuit for controlling power device (16 A socket)

6

Wiring of power distribution arrangement in home

7

Demonstration of wiring of Backup Power supply including Inverter, Battery and Load

8

Demonstration of Electric Iron, Mixer grinder, single phase pump, exhaust fan etc.

ii. Electrical Measurements Lab


The objective of this lab is to teach students to know the procedures for measuring Resistance, Inductance and Capacitance of different ranges. To perform experiments to measure three phase power, frequency, core losses. To design experiments for calibration of energy meter, wattmeter, extension of meter ranges etc. Electrical measurements are the methods, devices and calculations used to measure electrical quantities. Measurement of electrical quantities may be done to measure electrical parameters of a system. Using transducers, physical properties such as temperature, pressure, flow, force, and many others can be converted into electrical signals, which can then be conveniently measured and recorded.
LIST OF EXPERIMENTS

Expt. No.

Title of Experiment

1

Verification of Superposition Theorem in dc circuits

2

Verification of Thevenin’s Theorem in dc circuits.

3

Determination of impedance, admittance, power factor and real/reactive/ apparent power drawn in RLC series/parallel circuits.

4

3-phase power measurement using two-wattmeter method

5

Determination of B-H curve of an iron ring specimen

6

Measurement of self/ mutual inductance and coupling co-efficient of iron cored coil.

7

Calibration of meters using slide- wire potentiometer.

8

Measurement of voltmeter and ammeter resistances using Wheatstone’s bridge and Kelvin’s double bridge.

9

Calibration of single phase energy meter by direct and phantom loading at various power factors.

10

Calibration of 3-phase energy meter using standard wattmeter.

11

Extension of instrument range by using Instrument transformers (CT and PT).

12

Measurement of energy using TOD meter.

13

Characteristics of Thermistor, RTD, and Thermocouple.

14

Characteristics of LVDT and strain gauge.


iii. Electrical Machines Lab


Laboratory experiments conducted in this lab are based upon application of dc machines, speed control of dc motors, characteristics of generators, transformer- open circuit, short circuit tests, regulation tests, Swinburne test, synchronous machine tests, and tests on three phase induction motors. The laboratory is well stocked with ammeters, voltmeters, power factor meters, wattmeters, tachometers, single phase and three phase resistive as well as mechanical loads for successful completion of the experiments

Exp. No

 Name of Experiment

 
 

 

1

 

Load Test on DC shunt motor

 

 

 

2

 

Load test on DC Series motor

 

 

 

3

 

Load Characteristics of DC Compound generator

 

 

 

4

 

OCC on a DC Shunt generator

 

 

 

5

 

Load Characteristics of DC Shunt Generator

 

 

 

6

 

Load test on single phase transformer

 

 

 

7

 

OC & SC test on single phase transformer

 

 

 

8

 

Sumpner’s Test

 

 

 

9

 

OC & SC Test on three phase transformer

 

 

 

10

 

Swinburne’s Test

 

 

 

11

 

Hopkinson’s Test

 

 

 

12

 

Parallel operation of single phase transformers

 

 

     


iv. Electronic Circuits Lab

The Electronic Circuits Lab is equipped with AC/DC power supplies, function generators, oscilloscopes, training kits for the circuits, IC testers, solder/desolder stations, digital stopwatches, breadboards, digital multimeters and LCR meters. The purpose of this lab is for familiarizing basic concepts of Engineering Circuit Analysis, and to illustrate and reinforce these concepts and provide hands-on experience to the students.
This lab is used to conduct a wide range of experiments in Electrical Engineering, such as Diode Circuits, Power Supplies, Optoelectronic Devices, Analysis and Design of BJT and MOSFET Amplifiers, Operational Amplifier Circuits, Power Amplifiers, Frequency Analysis, Oscillator Circuits, Active Filters, Digital and Timing Circuits and to train Engineers and Technicians on the fundamentals as well as advanced electronic circuits and applications. Students will learn how to develop and employ circuit models for elementary electronic components, e.g., resistors, sources, inductors, capacitors, diodes and transistors, Become adept at using various methods of circuit analysis, including simplified methods such as series-parallel reductions, voltage and current dividers, and the node method. Appreciate the consequences of linearity, in particular the principle of superposition and Thevenin-Norton equivalent circuits, Gain an intuitive understanding of the role of power flow and energy storage in electronic circuits.

       

v. Digital Circuits and Embedded Systems Lab

This is an undergraduate course which deals with the basics of digital systems design. Experiments have been designed to familiarize students with the Digital Logic Design, through the implementation of different types of combinational and sequential such as adders, subtractor, code converters, comparators, multiplexers, flip-flops, counters, shift registers and sequence detectors. There is a trained and skilled lab technician that takes care of the lab equipment. He also guides students about handling the lab equipment and the precautionary measures required for the students while working in the lab.
This lab is used to conduct a wide range of experiments such as realisation of SOP & POS functions after K map reduction, Half adder & Full adder realization using NAND gates,4-bit adder/subtract or & BCD adder using IC 7483,BCD to decimal decoder and BCD to 7-segment decoder & display, Study of multiplexer IC and Realization of combinational circuits using multiplexers, Study of counter ICs (7490, 7493), Design of synchronous up, down & modulo N counters, Study of shift register IC 7495, ring counter and Johnsons counters etc. Also it in cooperates the experiments such as Data transfer instructions using different addressing modes and block transfer, Arithmetic operations in binary and BCD-addition, subtraction, multiplication and division, Logical instructions- sorting of arrays in ascending and descending order, Binary to BCD conversion and vice versa, Interfacing D/A converter- generation of simple waveforms-triangular wave, ramp etc, Interfacing A/D converter and Square wave generation.

       


vi. Power Electronics LAB


There are 16 workstations in this lab. Each workstation consists of an oscilloscope, multimeter, DC power supply, waveform generator and a desktop computer

     

 


vii. Power System Lab

        

       

The Power Systems Lab is giving courses in power systems analysis, design and control in the undergraduate program of electrical engineering. Introduce the basic concepts of power systems as well as the tools students need to apply these skills to real world situations with power system analysis and design. The Power Systems Lab is equipped with power frequency AC high voltage test set (30 kV AC) , Microprocessor based over current and voltage relay test set, transformer oil testing set, Cable testing equipment, Megger ,a full-fledged power system simulation software ‘ Mipower ‘ and MATLAB. It is used for teaching basic and advanced concepts in power system generation, transmission and distribution, and training in power quality analysis.

Sl.
No.

Name of experiment

LIST OF EXPERIMENTS USING MIPOWER

1.

Y-Bus Formulation

2.

Load Flow Analysis –Gauss Siedel Method

3

(a) Load flow analysis –Newton Raphson Method

(b) Load flow analysis –Fast Decoupled Method

4

Short Circuit Analysis – Symmetrical Faults

5

Short Circuit Analysis – Unsymmetrical Faults

6

Stability Analysis

7

Automatic Generation Control – Single Area

8

Automatic Generation Control – Two Area

9

Reactive Power Control

10

Solar PV- Systems Design

11

Power Factor Improvement

12

Relay Co-Ordination for Power System Network

13

Harmonic Analysis- THD, TDD

Hardware Experiments

1

Relay Testing - Over current relay

2

Relay Testing - Over voltage relay

3

Testing of transformer oil

4

Testing of dielectric strength of solid insulating materials

5

Earth Resistance

6

Insulation Testing -HT and LT cable

7

Power Factor Improvement

viii.  Control and simulation Lab
Control laboratory provides a “hands-on” environment that is crucial for developing student’s understanding of theoretical concepts. Control laboratory is housed with different instruments like temperature measurement, level detection, pressure measurement, flow measurement etc On different panels or rigs these are arranged in different control configurations to achieve specific control objectives. Each student is exposed to the various industrial sensors used to measure the assorted process parameters. Modern process control techniques like DCS, PLC etc are made available to the student here.
The laboratory also uses the Control System Tool Box available in MATLAB and LabVIEW software to simulate the control system problems. Simulink available in MATLAB is utilized to simulate the real time systems. LabVIEW is a graphical programming platform that helps engineers scale from design to test and from small to large systems. Prospective students who wish to pursue graduate research in power electronics, robotics and automation, embedded systems and its applications in control, sensor design, and biomedical instrumentation may enroll in the Instrumentation & Controls choice of the graduate program.
Maximum Number of Students can accommodated : 60
Lab Equipment & Facilities:
Computers (1 per student)
HCL Pentium 3 Computer with 17in CRT Display 450MHz, 4GB memory, 250GB Hard drive, 250MB Zip, 3.5" floppy, CDROM
1 National Instruments PCI-GPIB Card (IEEE-488.2 Interface)
Networked to SOELABS Windows 2000 domain via 100baseT connection.
Technical Softwares
MATLAB 2012a ,LabVIEW ,PSpice, DCS, PLC

          

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