Laboratory Information

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S.No Name of the Lab Year and Sem
1 Electrical Machines-I II B.Tech - II Sem
2 Electrical Circuits And Simulation II B.Tech - II Sem
3 Control Systems And Simulation III B.Tech - I Sem
4 Electrical Machines-II III B.Tech - I Sem
5 Electrical Measurements III B.Tech - II Sem
6 Power Electronics And Simulation IV B.Tech - I Sem
7 Electrical Machines And Power Systems M.TECH(EPS) –I SEM
8 Simulation M.TECH(EPS) –II SEM

Electrical Machines– I Lab

The Significance of Electrical Machines-I is renowned in the various fields of Engineering. For an Electrical Engineer, it is obligatory to have the practical idea about the Electrical Machines-I. A Course in Laboratory Experiments on Electrical Machines-I is offered to 2nd year B.Tech EEE Students keeping in view the following objectives.

Purpose / Objective
  • To provide experience in experimental methods.
  • To provide experience in selecting and using variety of electrical instruments.
  • To reinforce theoretical instructions with Related Practical’s.
  • To give practice in Machine circuit Connections.
  • To Provide Training the Technical report writing.
  • Electrical Machines– I Lab

Description

To perform the experiments we are providing one Manual, which uses the plain, cogent and simple language to explain the fundamental aspects of Practical in Electrical Machines-I. The Manual prepared very carefully with our level best. It gives all the steps in executing an experiment. The aim with main objective diagram with enough specification fuse rating, list of apparatus, precaution, procedure with progression and the theory with high lights will lead the students to reach the abyss of the experiment. This Lab includes Ten (10) experiments to perform those experiments we have Generators (Motor – Generator sets) rating of 3 -5 KW and DC Motors (3-5 HP). On these machines we will conduct the following experiments.

Specification

This laboratory is equipped with various types of equipment, such as DC compound motor, clamp on meter, digital wattmeter, analog watt meter (single phase), analog watt meter (three phase), electric blower, DC power supply, transformer (Single Phase), Rheostat, single and three phase voltage regulators, tachometer, lamp board, ammeter, voltmeter etc. Using these machines and meters, students mainly do experiments on finding the machine characteristics and various parameter values.

Electric Circuits & Simulation Lab

Purpose / Objective

The purpose of lab is to make the students to gain the knowledge experimentally by doing different experiments on different topics and verifying them with theoretically. Electrical circuits lab is mainly classified by the different theorems by which the response in any circuit is to be determined. Also simplifying the complex circuit description with the help of software written PSPICE. With these lab experiments students can gain atmost knowledge to lead their career as far as Electrical Circuits & Simulation is concerned.

  • Electric Circuits & Simulation Lab

Description

The purpose of lab is to make the students to gain the knowledge experimentally by doing different experiments on different topics. The contribution of each experiment gives:

Objectives of department:

  • The determination of load current in a given circuit by using the venin’s & Norton’s Theorems.
  • The determination of load current in a multi source circuit by using superposition theorem also root mean square value of complex wave.
  • The compensated voltage source to calculate the change in current with the change in load using compensation theorem also the condition at which the max power is delivered from source to the load by using max power transfer theorem.
  • The same ratio of source to excitation even if source & Excitation are interchanged, and the determination of load current in a multi source network using milliman’s theorem.
  • Variation of current with the variation of circuit parameters in R-L & R-C circuits.
  • The relation between the frequency and current in which the current is max at resonant frequency in series circuits and the current is min at resonant frequency in parallel circuit.
  • The ratio of flux linkage to one coil to the total flux produced in other coil also the calculation of self & mutual inductance.
  • Analysis of complicated circuit models and large interconnected networks are made simple to the students by conducting the experiment in which Z & Y parameters are to be calculated.
  • Simplification of circuit description by writing the software program in pspice software for DC circuits & DC transient response.
Control Systems and Simulation Lab

Purpose / Objective

Control Systems are broadly classified as open loop or closed loop systems study of closed loop system becomes nEEEssary, as the nature of feedback elements and controllers have different characteristics, under different input conditions. It is seen how there can be efficiently controlled in the overall context of designing a stable operating system. So there is nEEEssary to understand dynamics of various systems to be implemented. Therefore, study of 1st order, 2nd order system responses becomes a nEEEssity, as they constitute 80% of any simple feedback control systems in any industry. The block diagram of any control system consists of three major blocks they are a) Input transducer with nEEEssary signal conditioners. b) The type of controller. c) Final actuating element with nEEEssary signal conditioners. All these blocks must respond to a definite output response for a given input conditions.

  • Control Systems and Simulation Lab

Description

The purpose of lab is to make the students to know about the different experiments in the laboratory.

  • Time response of the 2nd order system, giving the details of specifications, response, a graph regarding them.
  • Synchro-transmitter and rEEEiver, showing the variation of voltages induced versus angular positions.
  • Effect of P;I,D on a Second order system with graphs of percent overshoot, steady state Error
  • Characteristics curves, speed vs Torque, Back emf vs Speed curves of DC servomotor.
  • Characteristics curves, speed vs Torque, Back emf vs Speed curves of AC servomotor.
  • Plot between load current and control current in a series,Parllel and self saturated Magnetic Amplifier.
  • Position control of second order system for various types of inputs.
  • Transfer function of DC motor by using speed control Mechanism.
  • Finding the Bode plot, root locus plot, state space Analysis using the MATLAB software in the system.
  • With the above experiments students are achieved at most knowledge to lead their career as far as control systems in concerned.

Specification

In this lab students undergo practical training using MATLAB over various physical systems/ Transfer functions, stability analysis is done using Bode Plot and Root Locus Techniques. Other equipment like AC Servomotors, DC Servomotors and Synchro are being utilized to observe the parameters physically. The demonstration kit to study control of AC load current having an electrical isolation with DC current (magnetic amplifier) is also available. Various circuits for compensations were designed and then included to the plant for obtaining stability.

Electrical Machines– II Lab

Purpose / Objective

This lab consists of carefully designed laboratory experiments on the branch of Electrical Machines-II lab principally for the undergraduate students of Electrical Engineering degree course. The range of work covered in the electrical machines course is now so wide that it is almost impracticable to have a manual that could provide all experiments on Electrical Machines-II Lab. The lab uses the plain, cogent and simple language to explain the fundamental aspects of machines in practical. The manual prepared very carefully with our level best. The main objective includes diagram with enough specifications, fuse rating, list of apparatus, precautions, procedure with progression and the theory with high lights to reach the abyss if the experiment. Student can gain lot of practical knowledge and useful in the future life.

  • Electrical Machines– II Lab

Description

Electrical Machines-II lab consists of ten experiments. The lab consists of instructions prepared for performing different experiments. For each experiment the objectives are written in specific terms. A student should be assessed continuously for his performance in the laboratory experimentation. Assessment should be based only on the final report he submits but also on his performance in the laboratory. The ratings of the apparatus, which are given in the manual is applicable for the machines of rating 1 HP Single phase Induction motor, 3-5 HP Three phase Induction machines, 3KVA synchronous machines to get the meticulous result.

Specification

This laboratory is equipped with various types of equipment, such as, wound rotor slip-ring Induction motor, synchronous machine, single phase induction motor, three phase induction motor, clamp on meter, digital wattmeter, analog watt meter (single phase), analog watt meter (three phase), electric blower, transformer (Single Phase), Rheostat, single and three phase voltage regulators, tachometer, lamp board, ammeter, voltmeter etc. Using these machines and meters, students mainly do experiments on finding the machine characteristics and various parameter values.

Electrical Measurements Lab

Purpose / Objective

The purpose of Electrical Measurements lab is to measure the electrical parameters namely Resistance inductance, capacitance electrical quantities like three phase Active power, Reactive power. To calibrate the device such as wattmeter, Energy meter, power factor meter. With the above knowledge there is a transition between a individual and electrical world. In all of our daily life we are in use directly or indirectly with voltage, current, power etc which are a part of our life, knowing about them is most useful in every ones life.

  • Electrical Measurements Lab

Description

With the above knowledge there is a transition between a individual and electrical world. In all of our daily life we are in use directly or indirectly with voltage, current, power etc which are a part of our life, knowing about them is most useful in every ones life. This lab makes the students to know about the various experiments namely

Objectives of department:

  • Testing and calibration of single phase Energy meter by direct loading method.
  • To find the parameter of a choke coil by three Ammeter and three voltmeter methods.
  • Inductance and capacitance calculations of given elements by Schering and Anderson bridges.
  • Finding the low values of resistances of unknown wire by using kelvins double bridge method.
  • Finding the reactive power consumed by a three phase inductive load by using one single phase wattmeter.
  • Finding the Three Phase power with Two Wattmeter Method under Balanced and Unbalanced condition.
  • Find the % Ratio Error and % phase angle error of a unknown Test CT by using Silsbee’s method.
  • Calibration of Single-phase power factor meter by phantom testing method.
  • Calibration of DC voltmeter, Ammeter by using the DC Crompton potentiometer method.
  • To calibrate the linear displacement by using LVDT

By performing the above experiments the students gain the sufficient knowledge to meet the challenger in Electrical measurements.

Specification

This lab comprises of reactive load and various other equipment used for calibration and measurement of electrical quantities. This laboratory is equipped with all electrical bridge circuits like Kelvin’s Double Bridge, Anderson’s bridge, Schering Bridge to facilitate the measurement of unknown values of elements like resistor, capacitor and inductor. Errors in electrical measuring instruments can also be found. We can also find real and reactive power of unbalanced loads.

Power Electronics Simulation Lab

Purpose / Objective

The main objective of power electronics lab is to prepare the students for the careers in power industry. In this lab the students are made aware with the basic technologies in power electronics. This laboratory introduces the student to measurement and simulation of important operating characteristics of power electronic circuits and power semiconductor devices. This provides the basic knowledge in power electronic converters and operating characteristics of SCR, MOSFET and IGBT.

  • Power Electronics Simulation Lab

Description
  • Explore switching devices such as SCRs, MOSFETs and IGBTs. Focus is on turn-on and turn-off conditions. Thryistor recovery properties are also demonstrated.
  • Phase controlled rectifiers with inductive and resistive loads. Both single and three-phase systems are studied. This experiment investigates thyristor rectifier operation under varying load conditions. Parameters of interest include operation in motoring and regenerative modes, firing angle control, input line current waveforms, reactive power needs and harmonics.
  • Series and parallel inverters with varying loads. This experiment shows the variation of output voltage and current with variation of load.
  • Gate firing circuits.
  • Forced Commutation Circuits (Class A, Class B, Class C, Class D and Class E).
  • DC Jones Chopper with R and RL loads.
  • Single Phase Half Controlled Converter with R Load.
  • Three Phase Controlled Bridge Converter with R Load.
  • PSPICE Simulation of Single Phase full converter using RLE loads and Single Phase AC Voltage Controller using RLE Loads.
  • PSPICE Simulation of Single Phase Inverter with PWM Control.

Specification

This lab is specially designed and developed for the students to observe the true nature and characteristics of various power semiconductor devices available in the market till date. Without knowing the application of these devices the students will remain as theoreticians. So we designed some circuits which cover all the types of applications such as rectifiers, inverters, choppers, and cycloconverters. So at the end of the semester the student will get equipped to handle any power semi-conductor device and any power electronic circuit. We also encourage students to take up projects and mini projects by providing them the required components and kits. In this lab students also undergo practical training using PSPICE Simulation

Electrical Machines and Power Systems Lab

Purpose / Objective

This lab consists of carefully designed laboratory experiments on the branch of Electrical Machines-II lab principally for the undergraduate students of Electrical Engineering degree course. The range of work covered in the electrical machines course is now so wide that it is almost impracticable to have a manual that could provide all experiments on Electrical Machines-II Lab. The lab uses the plain, cogent and simple language to explain the fundamental aspects of machines in practical. The manual prepared very carefully with our level best. The main objective includes diagram with enough specifications, fuse rating, list of apparatus, precautions, procedure with progression and the theory with high lights to reach the abyss if the experiment. Student can gain lot of practical knowledge and useful in the future life.

  • Electrical Machines and Power Systems Lab

Description

Electrical Machines and power systems lab consists of ten experiments. The lab consists of instructions prepared for performing different experiments. For each experiment the objectives are written in specific terms. A student should be assessed continuously for his performance in the laboratory experimentation. Assessment should be based only on the final report he submits but also on his performance in the laboratory. The ratings of the apparatus, which are given in the manual is applicable for the machines of rating 1 HP Single phase Induction motor, 3-5 HP Three phase Induction machines, 3KVA synchronous machines to get the meticulous result.

Specification

  • Equivalent Circuit of Three winding Transformer
  • Determination of Sub Transient reactance of a Salient pole Synchronous Machine
  • Determination of Sequence impedance of a Cylindrical rotor Synchronous Machine
  • Separation of No load losses of Three Phase Squirrel cage Induction Motor
  • Power Angle Characteristics of a Salient pole Machine.
  • Fault analysis-I
  • Fault analysis-II
  • Three phase to two phase conversion [ Scott connection ].
Simulation of Electrical Power Systems Lab

Purpose / Objective

This lab provides a plat form for the students to learn the computer aided circuit analysis which is very essential because of the enormous complexity of modern Integrated circuits. This lab is to make the students familiar with computer Aided circuit Analysis and lab provides information about circuit performance that is almost impossible to obtain with laboratory prototype measurements.

  • Simulation of Electrical Power Systems Lab

Description

Students come across two different software in this Lab-PSPICE and MAT LAB. The acronym SPICE stands for simulation program with Integrated circuit Emphasis SPICE allows various types of analysis. Each analysis is invoked by including its command statement. DC analysis is used for circuits with time invariant sources. So students learn to perform this DC analysis by obtaining a Theveniens equivalent network for a given circuit. Transient Analysis is used for circuits with time variant sources (eg: as sources and switched dc sources). It calculates all node voltages and branch currents over a time interval and their instantaneous values are the outputs, students simulate various power systems circuits like the transmission line, and RLC circuits are observe various voltage and current waveforms various power electronic CKTS like converters, choppers, AC voltage controllers (1-0 as well as 3-0) are simulated for various types of loads and voltage and current various are observed. These experiments helps students gain deep knowledge on power systems and power. Electronics which they have studied earlier.