## EEE Labs

## Electrical & Electronics Engineering Labs

The Department of EEE was started in August 1997, with an intake of 60 students in the B.Tech programme. It was enhanced to 120 in 2006. The Department has well experienced and qualified staff from reputed Universities and with M.E / M.Tech degrees in various specializations. The staff members of EEE Dept have dedicated themselves to produce bright, dynamic, dedicated and intellectual students who produce outstanding records. Well equipped and highly sophisticated laboratories are the major strength of the dept which enable the faculty to do the best job of producing well trained students. Every year new experiments are being introduced in the laboratories and new equipment are being added.

## Fluid Mechanics & Hydraulic Machinery (FM & HM) Lab

### 1. Purpose / Objective

The objective of this laboratory is to study the operating characteristics of hydraulic machines and flow devices. The laboratory is important for Mechanical Engineering, Civil Engineering and Electrical Engineering students. The major equipment focuses on the study and calibration of Orifice meter and venturi meter. In addition the performance test on hydraulic machines like centrifugal pump, Reciprocating pump, Peltol Wheel, Francis turbine and Kaplan turbine are also conducted. Experiments also include the study of experimental determination of frictional head losses in pipes and loss of head due to sudden contraction in a pipe line .

All the experimental set up are available as self contained units. Besides there are many helpful laboratory demonstrations.

### 2. Lab Hardware Details :

** Jet on Vanes setup, Pelton Turbine setup, Francis turbine setup, Kaplan turbine setup, Single stage centrifugal pump setup, Multi stage centrifugal pump setup, Reciprocating pump setup, Venture meter setup, Orifice meter setup, Friction fraction pipe line Rig**

### 3. List Of Experiments In Fluid Mechanics & Hydraulic Machinery (FM & HM) Lab :

In this lab EEE students are learn from following experiments and their use at further in future.

1) **IMPACT OF JET ON VANES:**

In this experiment the students are calculating the co-efficient of force by taking the values of flow rate and actual force. Here we use three types of plates, those are flat plate, inclined plate, Hemi-Spherical plate.

2) **PERFORMANCE TEST ON PELTON TURBINE:**

In this experiment the students are conducting two types of tests upon pelt on turbine. One is constant speed characteristic test and constant head characteristic test. By conducting those test the student will get a idea how the turbine is working and in which conditions it can work etc.

3) **PERFORMANCE TEST ON FRANCIS TURBINE**

In this experiment the students are conducting two types of tests upon Francis turbine. One is constant speed characteristic test and constant head characteristic test. By conducting those test the student will get a idea how the turbine is working and in which conditions it can work etc.

4) **PERFORMANCE TEST ON KAPLAN TURBINE**

In this experiment the students are conducting two types of tests upon Kaplan turbine. One is constant speed characteristic test and constant head characteristic test. By conducting those test the student will get a idea how the turbine is working and in which conditions it can work etc.

5) **PERFORMANCE TEST ON A SINGLE STAGE CENTRIFUGAL PUMP:**

In this experiment students are calculate the efficiency of the pump by taking the values of time and heads values at suction pipe and delivery pipe. Here in this pump we have only one impeller so the experiment called as “single-Stage”.

6) **PERFORMANCE TEST ON A MULTI STAGE CENTRIFUGAL PUMP:**

Here also students calculate the efficiency of the pump and they will draw curves in graphs to know the performance of the pump by taking values of delivery head. Suction head and time taken for rise of water in collecting tank. Here in our lab we have 3-stage multistage centrifugal pump.

7) **PERFORMANCE TEST ON RECIPROCATING PUMP:**

It is also as same as the single stage centrifugal pump but instead of impeller mechanism, we use crank, piston mechanism in this lab. Here also the students calculate the efficiency of the pump.

8) **CALIBERATION OF VENTURI METER:**

In this experiment students are going to calculate co-efficient of discharge of venture meter. The purpose of this venturimeter is generally to calculate flow rate.

9) **CALIBERATION OF ORIFICE METER:**

In these experiment students also calculates the co-efficient of discharge of orifice meter. But in this orifice meter student will find an orifice plates in orifice meter and where the flow is minimum, that is called vena contractor by using orifice meter we can measure flow rate through the pipe.

10) **DETERMINATION OF FRICTION FACTOR FOR A GIVEN PIPE LINE:**
For this experiment we will take different diameters of pipes and for every pipe the flow from inlet to outlet there will be some losses. To calculate the losses we use Darcy’s Weisbach equation which we can get friction factor for each pipe. The lab is utilized for II B.Tech Ist Sem EEE Students only.

## Electric Circuits & Simulation Lab

### 1. 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. The significance of the Electrical Circuits and Simulation Lab is renowned in the various fields of engineering applications. For an Electrical Engineer, it is obligatory to have the practical ideas about the Electrical Circuits and Simulation.

### 2. Lab Hardware Details

**Bread boards, dc power supplies, function generators, cro, decade resistance box, decade inductance box, decade capacitance box, coupled inductance, computers, pspice softwares**

### 3. List of Experiments In Electric Circuits & Simulation Lab

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:

**1. THEVENIN’S , NORTON’S & MAXIMUM POWER TRANSFER THEOREMS**

The determination of load current in a given circuit by using the thevenin’s & Norton’s Theorems. Also the condition at which the max power is delivered from source to the load by using max power transfer theorem.

**2.SUPERPOSITION THEOREM AND RMS VALUE OF COMPLEX WAVE**

The determination of load current in a multi source circuit by using superposition theorem

**3.VERIFICATION OF COMPENSATION THEREOM**

The compensated voltage source to calculate the change in current with the change in load using compensation theorem

**4. RECIPROCITY,MILLMANN’S THEOREMS**

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.

**5.LOCUS DIAGRAMS OF RL AND RC SERIES CIRCUITS**

To find Variation of current with the variation of circuit parameters in R-L & R-C circuits.
**6. SERIES AND PARALLEL RESONANCE **

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.

**7. DETERMINATION OF SELF AND MUTUAL INDUCTANCES AND COEFFCIENT OF COULPING.**

The ratio of flux linkage to one coil to the total flux produced in other coil also the calculation of self & mutual inductance.

**8.Z AND Y PARAMETERS**

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.

**9.SIMULATION OF DC CIRCUIT**

Simplification of circuit description by writing the software program in pspice software for DC circuits

**10.DC TRANSIENT RESPONSE**

Simplification of circuit description by writing the software program in pspice software for DC circuits to obtain transient response.

## Control Systems and simulation lab

### 1. Purpose / Objective

Control Systems are broadly classified as open loop or closed loop systems.study of closed loop system becomes necessary, 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 necessary to understand dynamics of various systems to be implemented. Therefore, study of 1st order, 2nd order system responses becomes a necessity, 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 necessary signal conditioners. b) The type of controller. c) Final actuating element with necessary signal conditioners. All these blocks must respond to a definite output response for a given input conditions.

### 2. Lab Hardware Details

**linear system simulator, synchro-transmitter, programmable logic controller, dc servo motor, ac servomotor, magnetic amplifier, computers, matlab software, pspice software**

### 3. List Of All Experiments In Control Systems and simulation lab:

The purpose of lab is to make the students to know about the different control experiments in the laboratory, the experiments in the lab gives the knowledge about the

1. Time response of the 2nd order system, giving the details of specifications, response, a graph regarding them.

2. Synchro-transmitter and receiver, showing the variation of voltages induced, error graphs.

3. Programmable logic controller giving the verification of truth tables of logic gates and also with verification of certain Boolean expression.

4. Effect of P;I,D on a Second order system with graphs of percent overshoot, steady state Error.

5. Characteristics curves, speed vs Torque, Back emf vs Speed curves of AC servomotor.

6. Plot between load current and control current in a series Magnetic Amplifier.

7. Position control of second order system for various types of inputs.

8. pspice simulation of op-amp based integrated and differentiator circuits

9. Finding the Bode plot, root locus plot, state space Analysis using the Matlab software in the system.

10. state space model for classical transfer function using matlab verification

With the above experiments, students gain most knowledge to lead their career as far as control systems are concerned.

## Electrical Machines– I Lab

### 1. Purpose / Objective

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. With this lab students are able to experience in experimental methods, experience in selecting and using variety of electrical instruments & accessories, reinforce theoretical instructions with Related Practicals, give practice in Machine circuit Connections, Training the Technical report writing.

The block diagram of any control system consists of three major blocks they are a) Input transducer with necessary signal conditioners. b) The type of controller. c) Final actuating element with necessary signal conditioners. All these blocks must respond to a definite output response for a given input conditions.

### 2. Lab Hardware Details

**Rectifier ac\dc, Shunt generator, shunt motor, Series generator, series motor, Compound generator, compound motor, inductive load, resistive load, measuring instruments (ammeter,voltmeter ,tachometer), multimeter, timer**

### 3. List Of Experiments In Electrical Machines– I Lab

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:

**1. Magnetization characteristics of D.C shunt generator, Determination of Critical speed & critical field resistance. **

To obtain Magnetization characteristics of D.C shunt generator and find out critical field resistance and critical speed.
**2. Load test on D.C shunt Generator Determination of Characteristics. **

To determine internal and external characteristics at D.C shunt Generator by conducting load test
**3. Load test on D.C. Series Generators Determination of Characteristics.**

To determine internal and external characteristics at D.C series Generator by conducting load test
**4. Load test on D.C. compound generator Determination of Characteristics.**

To determine internal and external characteristics at D.C compound Generator by conducting load test
**5. Hopkinson’s test on D.C shunt machines predetermination of efficiency.**

To determine the efficiency of two similar shunt machines by regenerative or Hopkinson’s method

**6. Field test on D.C series machines. Determination efficiency.**

To find the efficiency of a series motor and a series generator

**7. Brake Test on D.C shunt motor. Determination of performance curves.**

To determine the performance characteristics of the given shunt motor by conducting brake test.

**8. Brake Test on D.C Compound motor. Determination of performance curves.**

To determine the performance characteristics of given compound motor by conducting brake test

**9. Swinburne’s Test on D.C shunt Machines predetermination of Efficiency.**

To predetermine the efficiency of D.C. shunt machine

**10. Retardation Test on D.C shunt machine. Determination of stray Losses.**

To perform the retardation test on D.C .shunt motor, hence determine the stray losses of the machine

## Electrical Machines– II Lab

### 1. Purpose / Objective

This lab consists of designed laboratory experiments on the branch of Electrical Machines-II lab principally for the undergraduate students of Electrical Engg. degree course. Students will learn about Scott connection, Oc & sc test on single phase transformers, Regulation of three phase alternator by different methods, determination of Xd and Xq of a salient pole synchronous machine, V and inverted curves, Brake test on three phase induction motor etc and demonstration of all the above.### 2. Lab Hardware Details

**Single phase transformer 3 kva 4No’s, three phase alternator- motor set 3No’s, Single Phase Induction Motor, Phase induction motor: 3-Phase to 2-Phase conversion transformer, Auto transformers, Resistive loads, Digital tacho meter, Ammeters and volt meters**

### 3. List Of Experiments In Electrical Machines– II Lab

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.

**1. OC & SC test on single phase transformer**

OC and SC test on single phase transformer is to predetermine the efficiency and percentage regulation of a given single phase transformer, by conducting open circuit and short Circuit test and also to draw the Equivalent circuit of the transformers.

**2. Scott connection**

In Scott connection of transformers to obtain balanced two phase supply from balanced 3 phase supply utilizing two single phase transformers. 3-Phase to 2-Phase conversion is requested to supply two phase furnaces to link two phase circuits with 3-phase system and also to supply a 3-Phase apparatus from a 2-phase supply source.

**3. Regulation of three phase alternator by synchronous impedance and mmf method**

Regulation of alternator by synchronous impedance method is one of the efficient and best method to find the regulation. Regulation of an alternator can be determined by measuring the terminal voltage of the alternator, i.e., V when loaded and E when the load is taken off. Regulation of an alternator can alternatively be determined from the results of the following two tests: 1) Open Circuit test 2) Short-Circuit test.

**4. Sumpner’s Test on a Pair of Single Phase Transformers**

Sumpner’s Test on a Pair of Single Phase Transformers: In this experiment to predetermine the efficiency, regulation and equivalent circuit of a given pair of single phase transformer by conducting sumpner’s test.
Two Single Phase transformers of 3KVA rating are connected in parallel, by apply normal voltage to primaries of two transformers, by single phase variac sumpner’s test is also called “Heat Run Test”

**5. Equivalent Circuit of Single Phase Induction Motor**

Equivalent Circuit of Single Phase Induction Motor: The main aim of this experiment is to determine the equivalent circuit parameters of a single phase induction motor. This test is to find out the circuit parameters of induction motor. To have the clear idea about such parameters Ro¸ Xo, Ro, Xo, two tests to be performed namely i) No load Test ii) Blocked Motor Test.

**6. Determination of Xd and Xq of a salient pole synchronous machine .**

Determination of Xd and Xq of a salient pole synchronous machine: As the name suggests the synchronous machines are the constant speed machines. Here we have to determine the direct and quadrate axis synchronous reactance of synchronous machine by conducting slip test. Slip test it is the test to find out the direct and quadrature axis reactance of the salient pole machine by the Blonde’s two reaction theory.

**7. No load and blocked rotor Test on 3-Phase induction motor:**

No load and blocked rotor Test on 3-Phase induction motor: The main aim of this experiment is to draw the performance characteristics of a 3-Phase induction motor. To draw the performance characteristics of 3-Phase induction motor we are conducting no load test, blocked rotor test.

Circle diagram is one of the best graphical methods of determining the whole characteristics of a motor clearly. To construct a circle diagram. There are two tests to be performed i) No load Test ii) Blocked rotor Test.

**8. V and inverted curves of a three phase synchronous motor**

“V” Curve and inverted “v” curve of a 3-Phase synchronous motor: Synchronous motor is constant speed motor, which are not self-starting in nature.

Here we have to find the experimentally V-curves of a synchronous motor. The variations of armature current with field current are in the form of V curves and the variations of Power factor with field current and in the form of inverted V curves.

**9. Brake test on three phase induction motor**

Brake Test on 3-Phse induction Motor: The main aim of this experiment is to draw the performance characteristics of a 3-Phase induction motor by conducting Brake test. This motor has normal starting torque and adjustable speed so that speed control can be achieved easily. As starting torque increases with increase in the value of motor resistance.

**10. Separation of Core losses of single Phase Transformers**

Separation of Core losses of single Phase Transformers: Here we have to find the losses occurring in transformer and separation of losses. The core losses in a transformer are sum of hysteresis loss and eddy current losses. In the motor generator varying the speed of the DC motor can vary set the frequency of the supply and for keeping V/F ratio constant the field generator of alternator will be used.

## Power Electronics & simulation Lab

### 1. 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.### 2. Lab Hardware Details

** scrs, mosfets and igbts kit, r, r-c & ujt gate firing circuits, single phase ac voltage controller, single phase fully controller bridge converter, forced commutation circuit, dc jones chopper, single phase parallel inverter, cyclo converter, single phase half controller bridge converter, three phase half controller bridge converter, resistive loads, cro, drps, stabilizer, computers, PSpice softwares**

### 3. List Of Experiments In Power Electronics & simulation Lab

**1. STUDY OF CHARACTERISTICS OF SCR ,MOSFET& IGBT**

Explore switching devices such as SCRs, MOSFETs and IGBTs. Focus is on turn-on and turn-off conditions. Thryristor recovery properties are also demonstrated.

**2. GATE FIRING CIRCUITS OF SCR’S**

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.

**3. SINGLE PHASE AC VOLTAGE CONTROLLER WITH R AND RL LOADS**

Series and parallel inverters with varying loads. This experiment shows the variation of output voltage and current with variation of load.

**4. SINGLE PHASE FULLY CONTROLLED BRIDE CONVERTER WITH R AND RL LOADS**

Cycloconverter which controls the output frequency of an AC supply line. For R and RL loads the variation of voltage and frequency for different firing angles is obtained.

**5. FORCED COMMUTATION CIRCUITS**

AC voltage controller which controls the output voltage of an AC line. For R and RL loads the variation of voltage for different firing angles is obtained. The application of this controller for speed control of induction motors is also demonstrated.

**6. DC JONES CHOPPER WITH R AND RL LOADS**

To obtain the characteristics of DC Jones chopper with R & R-L load

**7. SINGLE PHASE PARALLEL,INVERTER WITH R AND R-L LOADS**

To obtain the characteristics of single phase parallel,inverter with R and R-L loads

**8. SINGLE PHASE CYCLO CONVERTER WITH R AND RL LOADS**

To obtain the characteristics of Cycloconverter with R and R-L loads

**9. SINGLE PHASE HALF CONTROLLED CONVERTER WITH R LOAD**

To obtain the characteristics of single phase Controlled converter with R.

**10. PSPICE SIMULATION OF RESONANCE PULSE COMMUTATION OF CIRCUITAND BUCK CHOPPER**

To obtain the pspice simulation of resonance

Move To Top

## Electrical Measurements Lab

### 1. 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 devices as wattmeter Energy meter, power factors meter to test the transformers oil. 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.

### 2. Lab Hardware Details

** Single phase energy meter, DC crompton potentiometer, Dynamo meter power factor meter, Kelvins double bridge, Oil testing kit, Schering bridge, Anderson bridge, Inductive load, Drps, Auto transformer, Ct & pt, Ammeters & voltmeters **

### 2. List Of All Experiments In Electrical Measurements Lab:

This lab makes the students to know about the various experiments namely

**1. Calibration and testing of single phase Energy meter **

To calibrate given single phase Energy meter by direct loading method.

**2. Measurement of parameters of choke coil using three Ammeter and three voltmeter methods**

To find the parameter of a choke coil by three Ammeter and three voltmeter methods.

**3. Schering and Anderson bridges.**

To Calculate Inductance and capacitance calculations of given elements by Schering and Anderson bridges.

**4. Kelvin’s double bridge – measurement of resistance –determination of tolerance**

To Find the low values of resistances of unknown wire by using Kelvin’s double bridge method.

**5. Calibration lpf watt meter-by phantom testing**

To Calibrate the given Low power wattmeter by phantom loading method.

**6. Measurement of three phase reactive power with single phase wattmeter.**

To Find the reactive power consumed by a three phase inductive load by using one single phase wattmeter.

**7. Measurement Of Three Phase Power With Single Wattmeter And 2-Nos Of C.T**

To Find the three phase Active power consumed by a three phase load by using two current transformers and a wattmeter.

**8. Dielectric Oil testing using estic testing kit**

To find Dielectric strength of oil.

**9. Calibration of dynamo meter power factor meter**

**10. Crompton DC potentio meter-callabration pmmc ammeter and pmmc voltmeter**

calibration of DC voltmeter, Ammeter by using the DC Crompton potentiometer method.
By performing the above experiments the students gain the sufficient knowledge to meet the challenger in Electrical measurements.

## Electrical Engineering Lab

### 1. 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 & practically. Electrical Engineering lab is mainly classified by the different theorems and electrical machines by which the response in any circuit is to be determined and also electrical machines, description with the help of written in Which these lab experiments students can gain at most knowledge to lead their career as far as Electrical engineering concerned.### 2. Lab Hardware Details

**Bread boards, DC power supplies, Function generators, Decade resistance box, Decade inductance box, Decade capacitance box, Shunt generator, Shunt motor, Single phase transformers**

### 2. List of Experiments In Electrical Engineering Lab :

Bread boards, DC power supplies, Function generators, Decade resistance box, Decade inductance box, Decade capacitance box, Shunt generator, Shunt motor, Single phase transformers

Lab Experiments:

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:

**1. VERIFICATION OF KVL AND KCL **

To verify kirchoff’s voltage and kirchoff’s current law.

**2. SERIES AND PARALLEL RESONANCE **

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.

**3. TWO PORT NET WORK Z AND Y PARAMETERS**

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.

**4. ABCD & H PARAMETERS.**

To determine the ABCD& H parameters of given two port network

**5. SUPERPOSITION THEOREM AND RECIPROCITY THEOREM**

The determination of load current in a multi source circuit by using superposition theorem

**6. MAXIMUM POWER TRANSFER THEOREM.**

To verify maximum power transfer theorem using d.c supply

**7. EXPERIMENTAL DETERMINATION OF THEVENIN’S , NORTON’S THEOREMS**

The determination of load current in a given circuit by using the venin’s & Norton’s Theorems.

**8. Magnetization characteristics of D.C shunt generator, Determination of Critical speed & critical field resistance. **

To obtain the Magnetization characteristics of dc shunt generator.

**9. Swinburne test on DC shunt machines.**

To predetermine the efficiency of D.C. shunt machine

**10. Brake test on DC shunt motor.Determination of performance characteristics .**

To obtain Brake test on DC shunt motor.Determination of performance characteristics .

**11. Load Test on single phase transformer**

To obtain Load Test on single phase transformer

**12. OC & SC tests on single phase transformer **

To predetermine the efficiency and percentage regulation of a given single phase transformer by conducting oc and sc test and also to draw the equivalent of the transformer .

## Electrical and Electronics Lab

### 1. Purpose / Objective

The purpose of the lab is to make the students to gain the knowledge experimentally by doing different experiments on different topics and verifying them theoretically & practically. Electrical & Electronics lab is mainly classified by the different theorems and electrical machines by which the response in any circuit is to be determined. Also simplifying the complex circuit description. With these lab experiments students can gain at most knowledge to lead their career as far as Electrical & Electronics is concerned.

### 2. Lab Hardware Details

** Bread boards, dc power supplies, function generators, decade resistance box, decade inductance box, shunt motor & generator, single phase transformers**

### 3. List of Experiments In Electrical and Electronics Lab :

The purpose of lab is to make the students to gain the knowledge experimentally by doing different experiments on different topics.

**PART-A**

**1. SERIES AND PARALLEL RESONANCE **

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

**2. TWO PORT NET WORK Z AND Y PARAMETERS**

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.

**3. SUPERPOSITION THEOREM AND RECIPROCITY THEOREM**

The determination of load current in a multi source circuit by using superposition theorem

**4. VERIFICATION OF MAXIMUM POWER TRANSFER THEOREM. **

To verify maximum power transfer theorem using d.c. supply

**5. EXPERIMENTAL DETERMINATION OF THEVENIN’S , NORTON’S THEOREMS**

The determination of load current in a given circuit by using the venin’s & Norton’s Theorems.

**PART-B**

**6. Magnetization characteristics of D.C shunt generator, Determination of Critical speed& critical field resistance.**

To obtain the Magnetization characteristics of dc shunt generator

**7. Swinburne test on DC shunt machines.**

To predetermine the efficiency of D.C. shunt machine

**8. Brake test on dc shunt motor (predetermination of performance chararicteristics)**

To determine the performance characteristics of the given shunt motor by conducting brake test.

**9. OC &SC tests on single phase trans former.**

To obtain regulation and efficiency of single phase trans former

**10. Brake test on three phase induction motor **

To obtain efficiency of three phase induction motor

## POWER CONVERTERS LAB

### 1. Purpose / Objective

This lab provides a platform for the students to learn the control of half & full waves using converters. Speed Measurements, IGBT used single 4 quadrant chopper drive & Thyristorised drive using PMDC motors .Thyristorised drive for 1HP DC motor with closed loop control, Cycloconverter based AC Induction motor control equipment

### 2. Lab Hardware Details

** PMDC Motor, DC Power supplies, decade resistance box, decade inductance box, single phase transformers, three phase transformers, 1hp dc motor, 3 hp dc motor, cycloconverter based 1-phase ac induction motor. thyristorised drive modules, single phase controlled converters, 3 phase input igbt, 4 quadrant chopper drive, 3 phase wound rotor induction motor**

### 3. List of Experiments In Electrical Engineering Lab :

**1.Speed Measurement and closed loop control using PMDC motor**

**2. Thyristorised drive for PMDC Motor with speed measurement and closed loop control.**

**3. IGBT used single 4 quadrant chopper drive for PMDC motor with speed measurement and closed loop control.**

**4. Thyristorised drive for 1Hp DC motor with closed loop control.**

**5. 3-Phase input, thyristorised drive, 3 Hp DC motor with closed loop**

**6. 3-Phase input IGBT, 4 quadrant chopper drive for DC motor with closed loop
control equipment.**

**7. Cycloconverter based AC Induction motor control equipment.**

**8. Speed control of 3 phase wound rotor Induction motor.**

**9. Single phase fully controlled converter with inductive load**

**10. Single phase half wave controlled converter with inductive load.**

## Electrical Systems simulation Lab

### 1. Purpose / Objective

This lab provides a platform 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 circuits. Students Learn about to simulate dynamical system models, input-output models, state variable models, Polar plot, Bode plot, Gain margin and Phase margin, Nyquist plot, Liapunov stability criteria, implement linear quadratic regulator, stability, Designing a PID controller, Develop a Simulink model for a single area load frequency problem, PID controller for two-area power system, PSPICE Simulation of Single phase & 3-phase full converter using R-L and E loads, resonant pulse commutation circuit. Students come across software in this Lab-PSPICE. 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

### 2. Lab Hardware Details

** Computers, P-spice software, Power supplies.**

### 3. List of Experiments In Electrical Systems simulation Lab :

1. Write program and simulate dynamical system of following models: a) I/O Model b) State variable model. Also identify time domain specifications of each.

2. Obtain frequency response of a given system by using various methods:
(a) General method of finding the frequency domain specifications (b) Polar plot (c) Bode plot
Also obtain the Gain margin and Phase margin.

3. Determine stability of a given dynamical system using following methods : a) Root locus b) Bode plot c) Nyquist plot d) Liapunov stability criteria

4. Transform a given dynamical system from I/O model to state variable model and vice
versa.

5. Obtain model matrix of a given system, obtain it’s diagonalize form if exists or obtain Jordon Canonical form of system.

6. Write a program and implement linear quadratic regulator

7. Design a compensator for a given systems for required specifications.

8. Conduct a power flow study on a given power system.

9. Design a PID controller.

10. Conduct a power flow study on a given power system network using Guass-Seidel
iterative method.

11. Develop a program to solve Swing Equation.

12. Develop a Simulink model for a single area load frequency problem and simulate the
same.

13.Develop a Simulink model for a two-area load frequency problem and simulate the same.

14. Design a PID controller for two-area power system and simulate the same.

15. PSPICE Simulation of Single phase full converter using RL and E loads.

16. PSPICE Simulation of Three phase full converter using RL and E loads.

17. PSPICE Simulation of Single phase AC Voltage controller using RL load.

18. PSPICE Simulation of Three phase inverter with PWM controller.

19. PSPICE Simulation of resonant pulse commutation circuit.

20. PSPICE Simulation of impulse commutation circuit.

## No Ragging