Lab Facilities

Sri Manakula Vinayagar Engineering College

Our department has totally 10 laboratories namely Basic Wiring lab, Basic Electronics lab, Electrical Machines lab-I & II, Electronic Devices and Circuits lab, Microprocessor & Microcontroller lab, Measurement and control lab, Power electronics lab, Power system simulation lab and Power Electronics & Drives lab (M.Tech). The following advanced equipments are also available to enhance the knowledge of the students at the industrial level.

  • Digital Storage Oscilloscopes
  • Power and harmonics analyzer Model PHA-5850
  • DSP kits.
  • DC Rectifier (AC Input 3Φ, 415V, & DC Output 220V, 200 A).
  • Matlab 2010, LABVIEW, FEM, MAGNET, PROTEUS & MPLAB softwares.
  • Trainer kits are available to conduct experiments in Power electronics and drives lab.

Laboratories

Basic Wiring Lab

This is the basic lab that supports the study of basic concepts of electrical wiring for the beginners in engineering. It covers basic safety practices in dealing with electrical works, proper use of basic electrical hand tools and electrical devices and protections. This lab consists of common electrical devices & tools and various models of insulators, different types of lamps, etc. From these experiments, the students obtain the basic knowledge of connecting conductors, wiring different domestic circuits.

Objective

  • To understand the recent trends in house wiring connectivity and latest protective devices for electrical accessories.
  • To provide the basic practical knowledge of electrical devices and components
  • To train the students to verify practically some basic laws of electricity.

Scope

  • The students can learn recent methods household wiring and switching accessories in the market which is essential for a budding engineer.
  • The students are expected to check ratings of commonly used house hold electrical appliances.
  • The students are expected to connect electric circuits and able to use the electric instruments to perform the experiments.

List of Experiments/Exercises

  • Study of tools and accessories
  • Study of joints
  • Staircase wiring
  • Doctor’s room wiring
  • Godown wiring
  • Tube Light and Fan connection
  • Lamp controlled from three different places-wiring

List Of Equipements

Sl.No. Name of the Equipment
1 Hand Drilling Machine
2 Wire gauge
3 Fan
4 Tube Light (with lamp holder & choke)
5 Long Noseplier
6 Ball Peen Hammer

It also includes other accessories which are mandatory for the conduction of the experiments.

Basic Electronics Lab

The basic electronics lab is used especially for first year students to get them familiar with the key components of the Electronics Engineering. This lab equipped with components such as diodes, transistors, IC’s, advanced electronic trainers, power supplies, oscilloscopes, function generators and various tools to practically implement the theoretical concepts of electronic systems.

Objective

To understand the V-I characteristics and applications of basic semiconductor devices and operation of circuits like rectifier, logic gates etc.

scope

The basic electronics lab is used especially for first year students to get them familiar with the key components of the Electrical & Electronics Engineering.

List of Experiments / Exercises

  • Rectifiers-Construction of half wave and full wave rectifiers with and without filters.
  • Frequency Response of RC Coupled Amplifiers
  • Verification of Kirchoff’s Voltage and Current Laws
  • Study of Logic Gates
    • Verification of Demorgan’s theorems
    • Verification of truth tables of OR, AND, NOT, NAND, NOR, EX-OR, EXNOR gates and Flip flops - JK, RS, T and D
    • Implementation of digital functions using logic gates
  • Study of CRO
  • Study of Transducers
    • Displacement and load measurements with transducers
    • Temperature measurement with thermocouple

List of Equipments

Sl.No. Name of the Equipment
1 Thermocouple trainer kit with set
2 Thermocouple trainer kit with set
3 Digital multi meter
4 Logic trainer kit
5 Logic trainer kit(basic)
6 Ammeter 0-15,30 mA
7 Ammeter 0-500 µA
8 Ammeter 0-50 mA
9 Voltmeter (0-30V)
10 Voltmeter (0-1V)
11 Voltmeter (0-10V)
12 Function generator
13 Cathode ray oscilloscope
14 Cathode ray oscilloscope
15 Stop clock
16 Regulated power supply

Electrical Machines-I Lab

The Electrical Machines-I Lab provides the essential facilities to the students to augment their concepts about the fundamentals of transformers and rotating machines (DC machines). In this lab, the students are studying the characteristics of transformers, different types of DC generators and motors which are widely used in industries and their applications aspects.

The Machines laboratory is supported with large capacity three phase A.C. to D.C. rectifier unit to supply D.C. power. The laboratory is well equipped with all kinds of measuring instruments. This Laboratory is utilized by all branches of students except Information technology and Civil department students for lab work. All these facilities are also used by the faculty and students for research and development work.

Objective

  • To understand the functional features and methods of CAD based machine design approach with necessary performance predictions.
  • To introduce the principle of electromechanical energy conversion in singly and multiply excited systems.
  • To study the working principles of electrical machines using the concepts of electromechanical energy conversion principle and derive expressions for generated voltage and torque developed in all electrical machines.
  • To study the working principles of machines, types, determination of their no-load/load characteristic, starting and methods of speed control of machines.

Scope

  • To estimate the various losses in machines and to study the different testing methods to arrive at their performance.
  • The students can acquire the fundamental study on static and dynamic magnetic circuits and concepts of rotating machines.
  • To learn the energy conversion schemes and the characteristic behavior of machines that are found applications in rolling mills, elevators, conveyors, cranes and hoists etc.
  • Students are pre-trained on testing of Electrical machines that is useful in electrical machine design. They are encouraged to come out with innovative idea to develop conventional machines.

List of Experiments / Exercises

AC Machines
  • Load test on single/three-phase transformer
  • O.C and S.C test on single/three-phase transformer
  • Parallel operation of single/three-phase transformer
  • Sumpner’s test on single/three-phase transformer
  • Study of connections STAR/DELTA/ Scott connection on single/three-phase transformer
DC Machines
  • Load test on DC Motor (Shunt/series/Compound Motors)
  • Load test on DC Generators (Shunt/series/Compound Motors)
  • O.C.C of D.C Generators (shunt/separately)
  • Swimburne’s /Hopkinsen’s test on DC Machines
  • Study on Retardation test and Speed control of DC Motors.
  • Field test of DC series Motor.

List of Equipments

Sl.No. Name of the Equipment
1 DC Rectifier, Input 3Φ 415V, AC & Output 220V,DC200 A
2 DC Rectifier, Input 3Φ 415V,AC&Output 220V,DC150 A
3 DC Shunt Motor #DC Shunt Generator(220V,19A#16A)
4 DC Shunt Motor #DC Series Generator(220V,19A#16A)
5 DC Shunt Motor #DC Compound Generator(220V,19A#16A)
6 DC Compound Motor with Mechanical Loading Arangement(220V,16A)
7 DC Shunt Motor with Mechanical Loading Arangement (220V,16A)
8 DC Shunt Motor with Mechanical Loading(220V,3.5KW)
9 DC Series Motor with Mechanical Loading Arangement(220V,20A)
10 Step-Down Transformer 1Φ, 2 KVA,230/115V & 8.6/17.4 A
11 Step-Down Transformer 1Φ, 1 KVA, 230/115V
12 Step-Down Transformer 1Φ, 3 KVA, 230/115V & 13.1/26 A
13 Step-Down Transformer 1Φ, 5 KVA, 230/230V 21.7A
14 Step-Down Transformer 3Φ, 3 KVA, 415/220V
15 Step-Down Transformer 3Φ, 5 KVA, 440/220V
16 Auto-Transformer 1Φ, 230/0-270V, 10 A
17 Auto-Transformer 1Φ, 230/0-270V, 10 A
18 Auto-Transformer 1Φ, 230/0-270V, 20 A
19 Auto-Transformer 1Φ, 5.4 KVA, 230/0-270V,15 A
20 Auto-Transformer3Φ, 5 KVA, 415V/(0-470)V,15A
21 Auto-Transformer 3Φ, 5 KVA, 415V/(0-470)V,15-30A
22 Auto-Transformer3Φ, 415V/(0470)V, 20 A
23 Two Point Starter
24 Three Point starter
25 Four Point starter (Manual Type)5HP
26 Earth Tester
27 Resistive Load 1Φ, 230V, 25A
28 Resistive Load 1Φ, 220V, 20A
29 Resistive Load 1Φ,5KW,230V
30 Resistive Load 1Φ, 110V, 40A
31 Resistive Load 1Φ, 115V, 25A
32 Resistive Load 3Φ, 415V,20A
33 Resistive Load 3Φ, 7.5 KW,440V
34 Resistive Load 3Φ, 415V,25A
35 Resistive Load 3Φ,5KW
36 Rheostat 200Ω/1.7 A (Single Tube)
37 Rheostat 200Ω/2.8 A (Double Tube)
38 Rheostat 220Ω/1.7 A (Double Tube)
39 Rheostat 220Ω/1.7 A (Single Tube)
40 Rheostat 220Ω/2.8A (Single Tube)
41 Rheostat 220Ω/3A
42 Rheostat 100Ω/5 A (Double Tube)
43 Rheostat 1000Ω/1.2 A (Double Tube)
44 Voltmeter (0-150/300 V) MI
45 Voltmeter (0-500 V) MI
46 Voltmeter (0-/125/250/500 V) MI
47 Voltmeter (0-250 V) MI
48 Voltmeter (0-75 V) MI
49 Voltmeter (0-150 V) MI
50 Voltmeter (0-75/150/300 V) MI
51 Voltmeter (0-75/150 V) MI
52 Voltmeter (0-300 V) MI
53 Voltmeter (0-300/600 V) MI
54 Voltmeter (0-600 V) MI
55 Ammeter (0-2.5A/5 A) MI
56 Ammeter (0-5 A) MI
57 Ammeter (0-15A/30 A) MI
58 Ammeter (0-10 A) MI
59 Ammeter (0-20 A) MI
60 Ammeter (0-25A/50 A) MI
61 Ammeter (0-20A/40 A) MI
62 Ammeter (0-10A/20 A) MI
63 Ammeter (0-125/250/500 mA) MI
64 Wattmeter (0-10/20 A),(0-75/150 V) UPF
65 Wattmeter (0-5/10 A),(0-75/150 V) UPF
66 Wattmeter (0-10/20 A),(0-150/300 V) UPF
67 Wattmeter (0-10/20 A),(0-75/150/300 V) UPF
68 Wattmeter (0-10/20 A),(0-250/500 V) UPF
69 Wattmeter (0-10/20 A),(0-150/300/600 V) UPF
70 Wattmeter (0-10/20 A), (0-300/600 V) UPF
71 Wattmeter (0-2.5/5 A),(0-150/300 V) LPF
72 Wattmeter (0-2.5/5 A), (0-150/300/600 V) LPF
73 Wattmeter (0-5/10 A), (0-150/300/600 V) LPF
74 Voltmeter (0-600 V) MC
75 Voltmeter (0-150/300 V) MC
76 Voltmeter (0-300 V) MC
77 Voltmeter (0-30/60 V) MC
78 Voltmeter (0-50 V) MC
79 Voltmeter (0-30 V) MC
80 Ammeter (0-30 A) MC
81 Ammeter (0-15/30 A) MC
82 Ammeter (0-20 A) MC
83 Ammeter (0-10/20 A) MC
84 Ammeter (0-2.5/5 A) MC
85 Ammeter (0-2 A) MC
86 DC Ammeter (1A/2A)
87 DPST switch
88 DPDT switch
89 SPST switch
90 TPST switch
91 TPDT switch
92 Spring Balance 50 Kg
93 Tachometer Digital
94 Tachometer Digital(Non Conducting type)
95 Tachometer Analog
96 Digital Multimeter

Electrical Machines Lab-II

The Electrical Machines-II Lab imparts the knowledge about characteristics and behavior of the rotating machines (AC machines). At present, majority of the power plants use synchronous machine as AC generator. It is important to understand the construction, principle of operation, characteristics and operational issues of such machine. This Lab covers all these aspects in detail and students gain practical knowledge on AC Machines like Alternators, Induction motors and Induction generators. The laboratory can also be used for project work related to electrical machines and energy conversion. The main objectives of this laboratory are listed below

Objective

To understand the electrical characteristic and mechanical characteristic of induction machine and synchronous generator.

Scope

  • The Electrical Machines-II Lab imparts the knowledge about characteristics and behavior of the rotating machines (AC machines).
  • The students can understand the concept of efficiency and the short circuit impedance of a three-phase transformer from no-load test, winding resistance, short circuit test, and load test
  • They experimentally obtain the load characteristics, starting current and starting torque of a squirrel-cage induction motor and to derive circuit parameters from no-load and blocked-rotor tests.
  • Electric motors are found in applications as diverse as industrial fans, blowers and pumps, machine tools, household appliances. These machines are used in power generation system, wind mill generator and compressors etc.

List of Experiments / Exercises

AC Machines
  • Load test on single/three-phase transformer
  • O.C and S.C test on single/three-phase transformer
  • Parallel operation of single/three-phase transformer
  • Sumpner’s test on single/three-phase transformer
  • Study of connections STAR/DELTA/ Scott connection on single/three-phase transformer
DC Machines
  • Load test on DC Motor (Shunt/series/Compound Motors)
  • Load test on DC Generators (Shunt/series/Compound Motors)
  • O.C.C of D.C Generators (shunt/separately)
  • Swimburne’s/Hopkinsen’s test on DC Machines
  • Study on Retardation test and Speed control of DC Motors.
  • Field test of DC series Motor.
Indcution Machines
  • Load test on 3 phase squirrel cage/ slip ring Induction Motor
  • No load & Blocked rotor test on 3-phase squirrel cage Induction Motor (Performance determination using equivalent circuit and circle diagram)
  • Load test on 1 phase Induction Motor
  • Load test on 3 phase Induction Generator
  • Study of speed control of Induction Motor
Synxhronous Machines
  • Load test on 1/3 phase Alternator
  • Pre-determination of voltage regulation of 3 phase Alternator by EMF/MMF/ZPF Method.
  • Synchronization/parallel operation of Alternators.
  • V and inverted V curve of an auto synchronous motor and observation on reactive power
  • Determination of Direct axis reactance and Quadrature axis reactance of a salient pole Alternator slip test.

List Of Equipments

Sl.No. Name of the Equipment
1 DC Rectifier, Input 3Φ 415V, AC & Output 220V,DC200 A
2 DC Rectifier, Input 3Φ 415V,AC&Output 220V,DC150 A
3 DC Shunt Motor # 1ΦAlternator (220V,19A#14.6A)
4 DC Shunt Motor # 1ΦAlternator(220V,5.2KW)
5 DC Shunt Motor # 3ΦAlternator (220V,27.5A#7A)
6 DC Shunt Motor # 3ΦSynchronous Alternator (220V,27.5A#7A)
7 Synchronous Motor with Mechanical Loading(415V,7A)
8 3Φ Slip Ring Induction Motor with Mechanical Loading rangement(415V,13A)
9 3Φ Squirrel Cage Induction Motor with Mechanical Loading Arangement (415V,7.5A)
10 1Φ Induction Motor with Mechanical Loading (1.5KW,220V,9.9A)
11 1 Φ Induction Motor with Mechanical loading-1 HP,220V
12 Auto-Transformer 1Φ, 230/0-270V, 8 A
13 Auto-Transformer 1Φ, 230/0-270V, 10 A
14 Auto-Transformer 1Φ, 230/0-270V, 20 A
15 Auto-Transformer 1Φ, 5.4 KVA, 230/0-270V,15 A
16 Auto-Transformer3Φ, 5 KVA, 415V/(0-470)V,15A
17 Auto-Transformer 3Φ, 5 KVA, 415V/(0-470)V,15-30A
18 Auto-Transformer3Φ, 415V/(0470)V, 20 A
19 Two Point Starter
20 Three Point starter
21 Four Point starter (Manual Type)5HP
22 Synchronous Motor Starter
23 Automatic Star-Delta Starter (5 HP)
24 Earth Tester
25 Resistive Load 1Φ, 230V, 25A
26 Resistive Load 1Φ, 220V, 20A
27 Resistive Load 1Φ,5KW,230V
28 Resistive Load 1Φ, 110V, 40A
29 Resistive Load 1Φ, 115V, 25A
30 Resistive Load 3Φ, 415V,20A
31 Resistive Load 3Φ, 7.5 KW,440V
32 Resistive Load 3Φ, 415V,25A
33 Resistive Load 3Φ,5KW
34 Inductive Load 3Φ, 415V, 10A
35 Inductive Load 3Φ, 415V, 20A
36 Capacitive Load, 3Φ, 415V, 20A
37 Rheostat 200Ω/1.7 A (Single Tube)
38 Rheostat 200Ω/2.8 A (Double Tube)
39 Rheostat 220Ω/1.7 A (Double Tube)
40 Rheostat 220Ω/1.7 A (Single Tube)
41 Rheostat 220Ω/2.8A (Single Tube)
42 Rheostat 220Ω/3A
43 Rheostat 100Ω/5 A (Double Tube)
44 Rheostat 1000Ω/1.2 A (Double Tube)
45 Voltmeter (0-150/300 V) MI
46 Voltmeter (0-500 V) MI
47 Voltmeter (0-/125/250/500 V) MI
48 Voltmeter (0-250 V) MI
49 Voltmeter (0-75 V) MI
50 Voltmeter (0-150 V) MI
51 Voltmeter (0-75/150/300 V) MI
52 Voltmeter (0-75/150 V) MI
53 Voltmeter (0-300 V) MI
54 Voltmeter (0-300/600 V) MI
55 Voltmeter (0-600 V) MI
56 Ammeter (0-2.5A/5 A) MI
57 Ammeter (0-5 A) MI
58 Ammeter (0-15A/30 A) MI
59 Ammeter (0-10 A) MI
60 Ammeter (0-20 A) MI
61 Ammeter (0-25A/50 A) MI
62 Ammeter (0-20A/40 A) MII
63 Ammeter (0-10A/20 A) MI
64 Ammeter (0-125/250/500 mA) MI
65 Wattmeter (0-10/20 A),(0-75/150 V) UPF
66 Wattmeter (0-5/10 A),(0-75/150 V) UPF
67 Wattmeter (0-10/20 A),(0-150/300 V) UPF
68 Wattmeter (0-10/20 A),(0-75/150/300 V) UPF
69 Wattmeter (0-10/20 A),(0-250/500 V) UPF
70 Wattmeter (0-10/20 A),(0-150/300/600 V) UPF
71 Wattmeter (0-10/20 A),(0-300/600 V) UPF
72 Wattmeter (0-2.5/5 A),(0-150/300 V) LPF
73 Wattmeter (0-2.5/5 A),(0-150/300/600 V) LPF
74 Wattmeter (0-5/10 A),(0-150/300/600 V) LPF
75 Power Factor Meter (0-5/10 A),(0-125/250/500 V)
76 Power Factor Meter (LPF,UPF,leading)
77 Voltmeter (0-600 V) MC
78 Voltmeter (0-150/300 V) MC
79 Voltmeter (0-300 V) MC
80 Voltmeter (0-30/60 V) MC
81 Voltmeter (0-50 V) MC
82 Voltmeter (0-30 V) MC
83 Ammeter (0-30 A) MC
84 Ammeter (0-15/30 A) MC
85 Ammeter (0-20 A) MC
86 Ammeter (0-10/20 A) MC
87 Ammeter (0-2.5/5 A) MC
88 Ammeter (0-2 A) MC
89 DC Ammeter (1A/2A)
90 DPST switch
91 DPDT switch
92 SPST switch
93 TPST switch
94 TPDT switch
95 Spring Balance 50 Kg
96 Synchronoscope (144Sq.,415v,3phase)
97 Tachometer Digital
98 Tachometer Digital(Non Conducting type)
99 Tachometer Analog
100 Digital Multimeter

Electronic Devices And Circuits Lab

The Electronics lab is well equipped with modern equipments to update knowledge of the students about basic electronic devices. In this lab the students conduct their experiments in detail like characteristic of diode, BJT, MOSFET, TRIAC, SCR and operation of oscillators, amplifiers and integrated circuits etc.

Electronics Lab-I

Objective

To understand the operation of Semiconductor devices, Analog circuits, Digital circuits and its applications.

Scope

  • All generation and control equipment requires power electronic circuits which demand the knowledge in basic operation of electronic devices.
  • The engineering students have been motivated for industrial standards in the field of electronic circuits and projects.
  • The students will have awareness on the simulation software for the projects in order to check for the feasibility.

List Of Experiments / Exercises

Device Characteristics
  • Characteristics of Diodes (PN Junction / Zener diode).
  • Characteristics of a BJT (common base/Emitter/Collector)
  • Characteristics of a UJT/FET/IGBT.
  • Characteristics of an SCR/GTO/TRIAC.
  • Characteristics of photon devices.
Biasing And Applications
  • Biasing Techniques for BJT(Fixed/collector to base/voltage divider biasing)
  • Biasing Techniques FET.
  • Rectifiers and Filters.
  • Diode clippers and clamping circuits

Electronics Lab-II

Objective

  • To understand the basic working principle of flip flops and Schmitt trigger.
  • To study, implement and verify logic gates using universal gates.
  • To learn operating principle and applications of electronic circuits like RC coupled amplifier, arithmetic logic circuits and multiplexer and demultiplexer operations.

Scope

  • This lab imparts the practical knowledge of working and characteristics of the electronic devices such as power amplifiers, Schmitt Trigger and multi vibrator.
  • Students understand the concept of logic gates and flip-flops using universal gates and up/down counters. It provides platform for the students to develop their skills in electronic design and circuits.
Analog Circuit Applications
  • Frequency response characteristics of a single stage RC Coupled Amplifier
  • Design verification of Oscillator (RC phase shift/UJT RelaxationOscillator)
  • Design verification Schmitt Trigger
  • Design verification Multivibrator (Astable/Bistable)
  • Design and characterization of Power Amplifiers.
Digital Circuit Applications
  • Study of logic gates (verification of De’Morgans laws/basic gates using universal gates)
  • Study and design of flip-flops using universal gates (RS/D/T/JK)
  • Master slave flip-flops using logic gates.
  • Arithmetic circuits – Adders and subtractors – Implementation of a Logical Functions –Karnaugh’s map simplification.
  • Multiplexer and De-Multiplexer.
  • Counters (Up/Down).

List Of Equipments

Sl.No. Name of the Equipment
1 20MHz Dual Trace Oscilloscope
2 1MHz Sine / Square Signal Generator
3 1MHz Function Generator
4 2MHz Function Generator
5 3MHz Function Generator
6 Dual Tracking DC power supply 2A ( + 15 V)
7 DC Regulated Dual Fixed Power Supply( Rating :± 15V/1A)Model No:FD 1502
8 DC Regulated Power Supply (Single) 32V, 2A
9 DC regulated dual variable power supply0-32V/2A Model : LD 3202
10 Ammeter (0 - 500µA)
11 Ammeter (0 – 10mA)
12 Ammeter (0 – 50mA)
13 Ammeter (0 – 500mA)
14 Digital Multimeter
15 Voltmeter (0 - 1V)
16 Voltmeter (0 - 30V)
17 Ammeter (0 - 50µA)
18 Voltmeter (0 - 100V)
19 Voltmeter (0 - 10V)
20 Ammeter (0 – 100mA)
21 Digital LCR Meter
22 Digital IC Tester
23 Logic IC Trainer
24 Desktop Ammeter MI (0-100mA)
25 Desktop Ammeter MI (0-50mA)
26 Desktop Ammeter MI (0-500mA)
27 Decade Resistance Box
28 Decade Inductance Box
29 Decade Capacitance Box
30 Desktop Ammeter MC (0-10-15mA)
31 Desktop Ammeter MC(0-25-50mA)
32 Desktop Voltmeter MC (0-15-30V)

Electronics Lab-III

Laying a strong foundation for electrical and electronic engineers this lab makes the students to understand the fundamentals of linear and digital integrated circuits. Equipment like digital logic trainer kit, linear IC Kit, linear IC tester kit, digital IC tester kits are available to enhance the interest of the student in the field of electronics.

Objective

  • To learn the characteristics of ICs and design the log and antilog amplifiers, op-amps, regulators and other linear ICs.
  • To familiarize with the testing of ICs,
  • To learn the design of Wein-Bridge oscillators and frequency response of active filters.

Scope

  • This lab makes the students to understand the fundamentals of linear and digital integrated circuits. It provides a platform for the students for practical implementation of electronics circuits and projects.
  • Students become familiar with multiplexers, gates, encoders, decoders, flip-flops, counters, registers, as well as IC logic devices.
Analog IC Applications
  • Series and shunt voltage regulators/IC 723 voltage Regulator
  • Design and characterization of amplifiers using IC 741 (Inverting/Non-Inverting/Amplifiers and voltage follower).
  • Design and characterization of log and anti log amplifiers.
  • Differentiator and Integrator using IC 741.
  • Amplifier Application using 741 (Sum/Difference/Error Amplifier)
  • Comparator Application using 741(Comparator/Regulator(PWM/SPWM)).
  • Frequency Response of Active Filters (first/second order filters).
  • Wein-Bridge oscillator using IC 741.
  • IC 555 – Monostable and Astable operation
Digital IC Applications
  • MOD/Decade counters.
  • Multiplexer and De-Multiplexer.Digital comparator and parity generator/checker circuits.
  • Code converters.
  • Encoders and Decoders.
  • Monostable and Astable Multivibrators using gates and ICs.
  • Digital to Analog converters.

List Of Equipments

Sl.No. Name of the Equipment
1 Digital IC Trainer Kit
2 Analog & Digital IC Tester
3 Regulated Dual Variable Power Supply
4 DC Regulated Dual Fixed Power Supply (Rating :± 15V/1A)
5 Regulated Variable Power Supply
6 Aplab 3 MHz Function Generator
7 Aplab 30MHz Dual Trace Oscilloscope

Microprocessor And Micro Controller Lab

This lab helps the students to provide in-depth knowledge about Micro - processor and Micro - controller architecture with its instruction sets and its working. The 8085 and 8051 are lectured to understand their use by means of performing basic arithmetic operations, binary coded decimal operations, code conversions, block operations, sorting of an array, generation of series and bit manipulation techniques using respective kits.

It also provide knowledge about interfacing the kits with the peripheral devices to understand serial communication, LCD keypad interface, analog to digital conversion, digital to analog conversion, traffic light control, digital clock simulation using counters, waveform generations, message display and control of stepper motor. The students can be able to write programming code using their knowledge gained from this lab for various applications like robotics, auto pilot system, medical instrument, domestic appliances, automatic vehicle control, etc.

Microprocessor And Micro Controller Lab

Objective

To understand the specific operation of microprocessor and micro controller architecture and to write programs for any specific application.

Scope

The knowledge of microprocessor and micro controller is used to design the electronic circuits in the field of power generation, power monitoring and control.

List Of Experiments

Arithmetic Operations
  • 8/16 bit arithmetic operations using various number systems.
  • Code Conversions.
  • Block operation using pointers
  • Generation of Series (Fibonacci series & Prime series).
  • Sorting of an Array.
application Programs
  • Message Display (Moving & Flashing).
  • Digital clock Simulation using counters/interrupts.
  • Waveform generations.
  • Digital Calculation Simulation.
Interfaces
  • Traffic light interface.
  • Stepper motor interface.
  • Key-board/ Display Interface.
  • ADC/DAC interface.
  • Serial interface between processors.

List Of Equipments-Microprocessors Lab

Sl.No. Name of the Equipment
1 ALS – SDA – 85 ME 8085 Microprocessor Kit
2 Power supply 5V, 1.5A, +12V,0.1A
3 85M – Opt – 12 8259 IC
4 8255 Study Card Interface
5 8279 Study Card Interface
6 8251/53 Study Card Interface
7 8259 Study Card Interface
8 8 bit ADC Interface
9 DAC Interface
10 Key board Display Interface
11 Matrix Keyboard Interface
12 Elevator Interface
13 Logic Controller Interface
14 LCD & Keypad Interface
15 Traffic Light Interface
16 DC Motor Control Interface
17 AC Motor Speed Control Interface
18 Printer Interface with Cable Interface
19 Speaker Interface
20 Temperature measurement Interface
21 Tyristors Interface
22 2 Channel DAC Iterface Board
23 8 Channel ADC Iterface Board
24 Stepper Motor Controller with Motor
25 Traffic Light Interface

List Of Equipments-Microcontroller Lab

Sl.No. Name of the Equipment
1 8051-Micro Controller Trainer with on-board Keypad and LED Display.
2 8051 Family Micro controller Trainer with on board provision to interface LCD & PC keyboard.
3 80C196KC Based Micro controller Trainer
4 80C196KC Based Micro controller Trainer
5 8086/8088-2 based Microprocessor trainer with on board keypad & LED display
6 ESA86/88-3 - based Microprocessor trainer with on board provision to interface optional LCD & PC keyboard
7 8051 Family Micro controller Trainer with on board provision to interface LCD & PC keyboard.
8 Power Supply
9 Power Adapter:+5V, 1A
10 DC Regulated Dual Fixed Power Supply( Rating :± 15V/2A
11 Ni-cd Bat, Power Backup for RAM
12 EPROM Programmer Inter face.
13 8751 Adapter for the above Interface
14 XT31- Driver Software for PC (DOS)
15 LCD (20 X 4)
16 PC Keyboard
17 8 Channel 12 bit ADC interface with MUX
18 DAC for ADC & Temp. Sensor interface.
19 Dual DAC interface
20 4 Digit, 7 Segment LED display interface
21 Dual slop ADC interface
22 Elevator interface
23 Calculator type key board interface
24 Logic controller interface
25 Musical tone generator interface
26 Real time clock interface
27 Stepper motor interface
28 Traffic light interface
29 In-circuit emulator for 8086/88 with SMPS
30 In-circuit Emulator for 8051 with SMPS
31 USE Based Logic Analyzer
32 PIC MicroController Trainer
33 PIC 16F877 Based Microcontroller Trainer
34 In-Circuit Debugger and IN-circuit serial Programmer for PIC 01,02 & 03 module using MPLAB 1DE
35 16 Channel 8-bit ADC Interface
36 Dual DAC Interface
37 Stepper motor interface
38 Aplab 2 Mhz Function Generator
39 Digital Multimeter
40 60 Mhz Two Channel Digital Make: AplabStorage Oscilloscope

Measurement & Control Lab

Sl.No. Name of the Equipment
1 Instrumentation Trainer Using Transducer.
2 Kelvin Double Bridge
3 Wheat Stone Bridge Kit
4 Schering Bridge
5 Maxwell’s Bridge
6 V –I Converter with Ground and Floating Load
7 I-V Converter With Ground and Floating Load.
8 Crompton Potentio Meter
9 Voltage Ratio Box (0-300V DC)
10 Analog IC Trainer
11 Dual Trace CRO 20MHZ(Scientific Make)
12 Aplab 5 In 1 Test Lab
13 Aplab 30MHz Dual Trace Oscilloscope With Component Tester / Comparator
14 Process Control Simulator
15 Strain Measurement Trainer Module
16 Thermocouple Module
17 DC Motor & DC Generator Transfer Function Study Trainer
18 DC Regulated Dual Variable Power Supply Rating:0-32V/2A
19 DC Regulated Dual Fixed Power Supply Rating :15 V/2A 1502
20 DC Regulated Single Variable Power Supply Rating :0-32V/2A
21 2 MHZ Function Generator Counter
22 Aplab 3 MHz Function Generator Model No: 2009
23 3 Phase Energy Meter (10A- 415 V)
24 Digital Stop Watch (Racer)
25 Decade Resistance Box (5 dial)
26 Decade Resistance Box ( 7 Dial)
27 Decade Inductance Box (5 dial)
28 Decade Inductance Box ( 4 Dial)
29 Decade Capacitance Box (5 dial)
30 Decade Capacitance Box ( 5 Dial)
31 Galvanometer ( 30-0-30V)
32 Ammeter (0-1 mA)
33 Ammeter (0-10mA)
34 Ammeter (0-100/250mA)
35 Ammeter( 0-50)mA DC
36 Voltmeter 0-15V
37 Voltmeter (0-30V) MC
38 Voltmeter ( 0-10V) MC
39 Voltmeter ( 0-5V) MC

Measurement & Control Lab

In this lab the students are encouraged to learn about characteristics of Instrumentation amplifier, Signal converters, Transducers, Single phase energy meter, Kelvin Double Bridge, Maxwell’s Bridge and Wheat Stone Bridge Kit etc.

Objective

To understand the concept of measuring the electrical parameters like voltage, current, inductance, capacitance, frequency and phase sequence, extension of meters and calibration and control of electric motors.

Scope

  • The students can learn the measuring fundamentals of electrical parameters like resistance, inductance and capacitance and controlling the various electrical apparatus like DC motor, Induction motor, Servo motor and Stepper motor etc.
  • students get hands on experience in different types of measurement and instrumentation systems

List Of Experiments/Exercises

Measurements And Calibration
  • Measurement of electrical parameters using bridges (resistance/ inductance/capacitance/ high/ medium/ low).
  • Verification of network theorems (Simulation/Practical method).
  • Extension of range and Calibration of electrical meters (voltmeter/ammeter/energy meter).
  • Measurements on supply systems (frequency/phase/phase sequence).
  • Measurement Magnetic (Flux density(B)/Field intensity (H)/B-H loop/Magnetic Losses).
  • Operation amplifier application to M&I (Instrumentation amplifier/ Signal converter with grounded and floating loads).
Controls
  • Measurement parameters to model the electrical machines using the transfer-function method.
  • Measurement of open loop response of the electrical machine using its transfer-function using simulation.
  • Verification of various exercises and plots in control system using simulation.
  • Stability analysis of a system using simulation.
  • Servo control application for tracking and positioning.

List Of Equipements

  • Instrumentation Trainer Using Transducer.
  • Kelvin Double Bridge
  • Wheat Stone Bridge Kit
  • Schering Bridge
  • Maxwell’s Bridge
  • V –I Converter with Ground and Floating Load
  • I-V Converter With Ground and Floating Load.
  • Crompton Potentio Meter
  • Voltage Ratio Box (0-300V DC)
  • Analog IC Trainer
  • Dual Trace CRO 20MHZ
  • Aplab 30MHz Dual Trace Oscilloscope With Component Tester / Comparator
  • Process Control Simulator
  • Strain Measurement Trainer Module
  • Thermocouple Module
  • DC Motor & DC Generator Transfer Function Study Trainer
  • DC Regulated Dual Variable Power Supply Rating:0-32V/2A Model:LD 3202 Make:Aplab
  • DC Regulated Dual Fixed Power Supply Rating :15 V/2A Make:Aplab Modal:FD 1502
  • DC Regulated Single Variable Power Supply Rating :0-32V/2A Model:LD 3202 Make:Aplab
  • 2 MHZ Function Generator Counter
  • Aplab 3 MHz Function Generator Model No: 2009
  • Bread Board
  • Soldering Iron
  • Transformers
  • 3 Phase Energy Meter (10A- 415 V)
  • Digital Stop Watch (Racer)
  • High Impedance 10:1 Probe Model : 306 Make : Aplab
  • Decade Resistance Box (5 dial)
  • Decade Resistance Box ( 7 Dial)
  • Decade Inductance Box (5 dial)
  • Decade Inductance Box ( 4 Dial)
  • Decade Capacitance Box (5 dial)
  • Decade Capacitance Box ( 5 Dial)
  • Galvanometer ( 30-0-30V)
  • Ammeter (0-1 mA)
  • Ammeter (0-10mA)
  • Ammeter (0-100/250mA)
  • Ammeter( 0-50)mA DC
  • Voltmeter 0-15V
  • Voltmeter (0-30V) MC
  • Voltmeter ( 0-10V) MC
  • Voltmeter ( 0-5V) MC
  • Aplab Digital Multimeter

Power System Simulation Lab

This lab has P4, 2.4 GHz Computer Systems with Networked Printer. The various power system problems of protection, control & stability were modeled, simulated and can be analyzed Using MATLAB software. The lab has other simulation softwares like LABVIEW, FEM, MAGNET, PROTEUS, MP LAB.

Power system simulation models are computer simulation programs that focus on the operation of electrical power systems. These computer programs are used in a wide range of planning and operational situations including:

  • Long-term generation and transmission expansion planning
  • Short-term operational simulations.
  • Market analysis (e.g. price forecasting)

Objective

To analyze the power system, load flow studies, short circuit study and optimal power flow using MATLAB simulation.

Scope

The scope of this lab is given as follows

  • Load flow study:
  • The load-flow calculation is the most common network analysis tool for examining the undisturbed and disturbed network within the scope of operational and strategically planning.

  • Short circuit analysis
  • Short circuit analysis analyzes the power flow after a fault occurs in a power network.

  • Transient stability studies
  • The goal of transient stability simulation of power systems is to analyze the stability of a power system in a time window of a few seconds to several tens of seconds.

  • Optimal dispatch of generating units (unit commitment)
  • The problem of unit commitment involves finding the least-cost dispatch of available generation resources to meet the electrical load.

  • Optimal power flow
  • The simulator calculates the flow in the AC network that results from any given combination of unit commitment and generator megawatt dispatch and to ensure that AC line flows are within both the thermal limits and the voltage and stability constraints.

List Of Experiments/Exercises

  • Computation of Power System Components in Per Units.
  • Formulation of the bus admittance matrix by Direct inspection and Singular transformation method.
  • Formation of bus impedance matrix by Inverse matrix by pivotal condensation method.
  • Load Flow studies by Gauss–Seidel/Newton Raphson/Fast decoupled methods.
  • Symmetrical components for different case studies.
  • Short circuit studies for symmetrical and unsymmetrical (LL, LG, LLG) fault studies.
  • Numerical Integration of Swing equation.
  • The Equal-Area Criterion.
  • Transient stability- case studies.
  • Economic/Optimal Load Dispatch.
  • Load Flow Studies.
  • Load Frequency Control.

List Of Equipements

  • H.P PRO 3090 Intel (R) core 2 Duo E7 7500 @ 2.93GHZ 2. G.B RAM 320 G.B Hard Disk 17” LCD Monitor Key Board with Mouse Without CD Drive
  • H.P D290 Intel 915 GV ChipsetM 1.G.B. RAM 80 G.B Hard Disk HP 15” TFT Monitor Key Board with Mouse
  • ACCER Intel (R) Pentium (4) 2.4 GHz 1. G.B RAM 40 G.B Hard Disk 15” Monitor Key Board with Mouse
  • HP Laser Jet Printer
  • Dot Matrix Printer WEP HQ 1070+DX
  • Hub – D Link 1024 d Switch 24 Pins
  • UPS TITAL 10 KVA
  • Battery Exide 12Volt
  • MATLAB CD R2006 B ( 5 User )

Power Electronics Lab

Objective

To understand the operation of rectifier, inverter, cycloconverter, dual converter, AC chopper and DC chopper. To create the awareness in making automated control using microcontroller that replaces conventional physical components like PLC, pneumatic etc.

Scope

The students are given special emphasis to the emerging use of power electronics in modern power systems, electrical drives and control. It is fully equipped with single phase, three phase converters, inverters, Cycloconverter, chopper, commutation circuits, firing circuits, AC regulators. Three phase setup trainer kits are available for all converter and chopper circuits.

  • The course covers the features of rectifiers, inverters, ac – ac converter and dc – dc converter.
  • Provides the wealth of technical information for students and practicing electrical engineers and contributes to learning the design of circuits and components based on electronic components at power level rather than signal level.
  • The laboratory course provides instruction in general lab practices, measurement methods, and with the design and operation of several common circuits relevant to the field of power electronics.
  • It also provides experience with common components such as electric drives, batteries, magnetic devices, and power semiconductors.
  • Students will have good understanding of the basic principles of switch mode power conversion
  • Students will understand the operating principles and models of different types of power electronic converters including dc-dc converters, rectifiers and inverters
  • Students will be able to choose appropriate power converter topologies and design the power stage and feedback controllers for various application
    • Aerospace
    • Commercial
    • Industrial
    • Residential
    • Transportation
    • Utility systems

List Of Experiments/Exercises

POWER CONVERTERS
  • SCR Trigger circuits (using RC, UJT, Counters)
  • Study on DC choppers and forced commutation techniques
  • Study on single phase controlled rectifiers with R, RL & RILE loads
  • Study on three phase controlled rectifiers
  • Study on AC Choppers
  • Study on Inverters
  • Study on Cycloconverters
APPLICATIONS
  • Speed control of AC/DC motors using solid-state devices
  • SCR based motor soft starting circuits (starters) & static circuit breakers
  • Regulated power supply

List Of Equipements

Sl.No. Name of the Equipment
1 UJT triggering circuit for SCR
2 R-RC Firing circuit for SCR
3 SCR triggering using LDR
4 SCR Triggering Circuit ( R, RC )
5 DIAC and TRIAC circuit
6 Single phase half convertor power circuit
7 Single phase full convertor power circuit
8 Single phase firing circuit
9 Single phase parallel inverter
10 Single phase series inverter
11 Single phase cyclo firing circuit
12 Single phase cyclo power circuit
13 Single phase mc Murray firing circuit
14 Single phase mc Murray power circuit
15 Single Phase Full Controlled Rectifier
16 Single Phase Half Controlled Rectifier
17 Single Phase Inverter
18 Single phase half fully controlled bridge rectifier
19 Three phase firing circuit
20 Three phase semi converter power circuit
21 Three phase full converter power circuit
22 Three phase isolation transformer
23 Three phase full bridge inverter
24 Three Phase Full/Half Controlled Rectifier
25 Three Phase Inverter
26 Single phase Isolation Transformer
27 Single phase centre tapped transformer
28 Universal Motor
29 DC chopper firing circuit
30 DC chopper power circuit
31 Step up chopper (ST2719)
32 Step down chopper(ST2722)
33 AC chopper - (ST2723)
34 Voltage and current Commutator chopper
35 Study of Cyclo Converter
36 Single phase Cycloconverter (ST2713)
37 Current source inverter
38 Voltage source inverter
39 Forced commutation circuit module
40 3 phase Cyclo converter
41 Resistive load
42 Inductive load
43 Single phase loading rheostat
44 Single phase inductive load
45 DC Shunt motor
46 I HP three phase ac induction motor with spring balance
47 Three phase Induction motor
48 Three phase SCR speed control circuit
49 Single phase dual converter
50 Regulated dc variable power supply(single)
51 Decade resistance box(6 dial)
52 Decade resistance box(7 dials)
53 Decade capacitance box(5 dial)
54 Decade capacitance box
55 Decade inductance box (4 dial)
56 Decade inductance box(5 dial)
57 Differential circuit
58 Megger
59 Multi meter
60 True RMS Meter
61 LCR Meter
62 DC source
63 SCR MOSFET, TRIAC and IGBT
64 3 phase IGBT inverter v/f control
65 89c51 based firing pulse generator
66 Dual Trace Oscilloscope with component tester SM410 ( 30Mhz)
67 Power supply trainer
68 Speed control of universal motor using SCR (ST2714)
69 Top view Device Programmer C
70 PIC Microcontroller with development board, model

Power Electronics And Drives Lab (M.Tech)

MATLAB software is available in laboratory to enhance the knowledge of the students. To understand the device of physics operation of various power electronic semi conductor switching devices such as SCR, Power MOSFET for motor drive applications.

Objective

To understand the operation of the motor drive through the converters and chopper circuits.

Scope

  • Student will have knowledge of implementing the motor drive application for both AC and DC drives.
  • They can write program for any desired control applications using PIC and DSP based controllers.

List Of Experiments/Exercises

  • Digital PWM generation schemes for 1-Φ and 3 Φ - Inverters.
  • Speed control of converter/Chopper fed Dc motor.
  • Speed control of VSI fed three phase Induction motor.
  • Microcontroller based speed control of stepper motor.
  • DSP based speed control of BLDC motor.
  • Design and Implementation of switched mode power supplies.
  • Digital firing scheme for 1- Φ and 3- Φ controlled rectifier.
  • Study of Unitrode ICs for the Voltage control of SMPS.
  • Simulation of Four quadrant operation of three phase induction motor.
  • Simulation of Automatic voltage regulator of three phase synchronous Generator

List Of Equipements

Sl.No. Name of the Equipment
1 Four quadrant speed control of convertor dc drive using 1 ph. Dual convertor for 1hp/220v/1500rpm dc motor
2 Stepper Motor Micro Controller Based With 3kg Torque Motor
3 Single Phase Isolation T/F
4 Three Phase Isolation T/F
5 SCR Firing Circuit UJT Triggering
6 Digital firing circuit for 1 ph. Controlled rectifier
7 Digital firing circuit for 3 ph. Controlled rectifier
8 1 ph. PWM inverter control circuit microcontroller based
9 3 ph. PWM inverter control circuit (microcontroller based)
10 MATLAB Real Time Interface Board (VMAT – 01)
11 Development Board 8051
12 PS-TYRO-TMS3200F 2812A
13 Low cost USB IC programmers & Development
14 Power & Harmonic Analyzer Tester
15 DPM make BLDC Motor with AMB 365 Driver Card Unit
16 Digital Millimeters
17 Regulated power Supply
18 SCR based Motor Soft Starters Static Circuit Breakers
19 Speed Control of AC/DC Motor using solid-state devices
20 Study of AC choppers
21 Study of DC Choppers and forced commutation techniques

Following facilities are available in Power Electronics and Drives lab

  • Analysis of 3P4W, 3P3W, 1P2W, 1P3W Systems using Model PHA-5850
  • True RMS value, Active Power, Apparent & Reactive Power (KVA, KVAR) using Model PHA-5850
  • Power Factor, Phase angle (F) & Energy (WH, KWH,KVARH, PF) using model PHA-5850
  • MATLAB real time interfacing card is available to test any electrical systems through software. Flash program burners for PIC 16FXX & 8051 microcontroller, PIC 16F877A Microcontroller Development board and microcontroller 8051 development board.
  • Digital Signal Processing Kits TMS 320 2812, TMS 320 5X,6X
  • BLDC motor speed control setup
  • Dual converter power Module

Computing Facilities

  • The Department has well equipped state of art, computing facilities which include 40 P4, 2.4 GHz Computer Systems with Networked Printer. The various power system problems of protection, control and stability are modeled, simulated and analyzed using MATLAB / simulink software.
  • Software packages including Mat lab 7.0 & 8.5, Magnet, Ansys, PSpice 7.1 & 9.2, Keil & Microcontroller Softwares.
  • Embedded controller application includes Microcontroller, Emulators, Assemblers and Cross compilers for various microcontroller families, logic analyzer, interfacing devices, and other bench equipments like 8085 and 8086 Microprocessor kits and 8 bit 8031, 8051 and 16 bit 80196 Microprocessor kits.