DEPARTMENT OF ELECTRICAL AND ELECTRONICS...

GEETHANJALI INSTITUTE OF SCIENCE & TECHNOLOGY Unit of USHODAYA EDUCATIONAL SOCIETY

(Approved by AICTE, New Delhi & Permanently Affiliated to JNTUA, Anantapur)

JNTUA College Code: 2U An ISO 9001:2015 certified Institution: Recognized under Sec. 2(f) of UGC Act, 1956 3rd Mile, Bombay Highway, Gangavaram (V), Kovur(M), SPSR Nellore (Dt), Andhra Pradesh, India- 524137

Ph. No. 08622-212769, E-Mail: [email protected], Website: www.gist.edu.in

DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING

Facility Total

Number Room Number

Required

Carpet Area In

Sq.m per Room

(as per AICTE

norms)

Available

Carpet Area

in Sq.m

Class Rooms (UG) 3

SB-002

SB-003

SB-004

66 66 66

77.94 77.58 77.58

Tutorial Rooms (UG) 1 WB-308 33 67.62

Electrical Circuits / Network Analysis Lab

1 EB-004 66 80.70

Electrical circuits Simulation Lab

1 WB-102 66 69.00

Electrical Machines-1 Lab 1 EB-005 66 80.70

Control Systems And Simulation Lab

1 EB-003 66 80.70

Electrical Machines-2 Lab 1 EB-006 66 80.70

Electrical Measurements Lab 1 EB-003 66 80.70

Power Electronics & Simulation Lab

1 EB-002 66 77.53

Electrical Power Systems Lab 1 EB-006 66 80.70

WB-102 66 69.00

http://www.gist.edu.in/





CLASS ROOMS

II - EEE III - EEE

ROOM NO : SB -002 AREA:77.94Sq.m ROOM NO : SB -003 AREA:77.58 Sq.m

IV - EEE

ROOM NO : SB -004 AREA: 77.58 Sq.m






TUTORIAL CLASS ROOMS

Room No : WB -308 Area: 67.62 Sqm






LABORATORIES

Electrical Machines Laboratory – I (15A02404) &

Electrical Machines Laboratory – II (15A02506)

Room No: EB-005 & EB-006 Regulation: R15 Carpet Area: 161.4 Sq.M Year & Semester: II-II &III-I

This lab is equipped with AC and DC machines. The objective of this laboratory is to learn

about determination of input power, out power and efficiency. The experiments includes load test,

brake test, Hopkinson’s test, Fields test ,Swinburne’s test on motors and generators and also includes

determination of magnetization characteristics of DC shunt generator. This laboratory course will

help the students to understand the theoretical concepts. It can accommodate 36 students perform 12

experiments simultaneously. Provided with generator back up and it has qualified technicians for

conducting experiments and for regular maintenance of the labs






List of Experiments:

Electrical Machines lab-I

1. Magnetization characteristics of DC shunt generator. Determination of critical field

resistance and critical speed.

2. Load test on DC shunt generator. Determination of characteristics.

3. Brake test on DC shunt motor. Determination of performance curves.

4. Load test on DC compound generator. Determination of characteristics.

5. Hopkinson’s tests on DC shunt machines. Predetermination of efficiency.

6. Fields test on DC series machines. Determination of efficiency.

7. Swinburne’s test and speed control of DC shunt motor. Predetermination of

efficiencies.

8. Brake test on DC compound motor. Determination of performance curves.

In addition to the above eight experiments, at least any two of the experiments from the

following list are required to be conducted.

1. Load test on DC series generator. Determination of characteristics.

2. Retardation test on DC shunt motor. Determination of losses at rated speed.

3. Separation of losses in DC shunts motor.


Electrical Machines lab -II

1. O.C. & S.C. Tests on Single phase Transformer.

2. Sumpner’s Test on a Pair of identical Single Phase Transformers

3. Scott Connection of Transformers

4. No-Load & Blocked Rotor Tests on Three Phase Induction Motor

5. Regulation of Three –Phase Alternator by Synchronous Impedance & M.M.F. Methods

6. V and Inverted V Curves of 3 Phase Synchronous Motor.

7. Equivalent Circuit of Single Phase Induction Motor

8. Determination of Xd and Xq of Salient Pole Synchronous Machine

In addition to the above eight experiments, at least any two of the following experiments are

required to be conducted:

1. Parallel Operation of Single Phase Transformers

2. Separation of Core Losses of Single Phase Transformer

3. Brake Test on Three Phase Induction Motor

4. Regulation of Three-Phase Alternator by Z.P.F. and A.S.A Methods






Electrical Measurements Laboratory (15A02507)

Room No: EB-003 Regulation: R15

Area: 80.7 Sq.M Year & Semester: III & I

The objective of Electrical Measurements laboratory is to determine the measurement of

Capacitance and Inductance values. This laboratory course will help the students to understand the

theoretical concepts. This lab is also equipped with Energy Meter, Dynamometer Power Factor

Meter, D.C. Potentiometer, Kelvin’s Double Bridge, Schering Bridge & Anderson Bridge, LVDT

and Choke Coil .It can accommodate 36 students perform 10 experiments simultaneously







1. Calibration of Single Phase Energy Meter using Phantom loading method with RSS meter as

standard

2. Calibration of Dynamometer Power Factor Meter

3. Crompton D.C. Potentiometer – Calibration of PMMC Ammeter and PMMC Voltmeter

4. Kelvin’s Double Bridge – Measurement of very low Resistance values – Determination of

Tolerance.

5. Measurement of % Ratio Error and Phase Angle of Given C.T. by Comparison.

6. Schering Bridge & Anderson Bridge for measurement of Capacitance and Inductance values.

7. Measurement of 3 Phase Reactive Power with Single-Phase Wattmeter.

8. Measurement of Parameters of a Choke Coil Using 3 Voltmeter and 3 Ammeter Methods.

In addition to the above eight experiments, at least any two of the experiments from the

following list are required to be conducted:

1. Optical Bench – Determination of Polar Curve, Measurement of MHCP of Filament Lamps

2. Calibration of LPF Wattmeter – by Phantom Testing

3. Measurement of 3 Phase Power with Two Watt Meter Method (Balanced & Un balanced).

4. Dielectric Oil Testing Using H.T. Testing Kit

5. LVDT and Capacitance Pickup – Characteristics and Calibration

6. Resistance Strain Gauge – Strain Measurement and Calibration

7. Transformer Turns Ratio Measurement Using A.C. Bridge






Control Systems & Simulation Laboratory (15A02405)


Carpet Area: 80.7 Sq.M Year & Semester: II-II

The objective of control systems laboratory is to determine the time response of second

order system, transfer functions& characteristics. This lab equipped with PID controller, AC and DC

servo motor, Temperature Controller, Magnetic Amplifiers and Synchros. It can accommodate 36

students perform 10 experiments simultaneously. Lab also provided with electrical software’s i.e

(MATLAB) to solve the problems in easy way.







1. Time Response of Second Order System

2. Characteristics of Synchros

3. Programmable Logic Controller – Study and Verification of Truth Tables of Logic Gates, Simple

Boolean Expressions and Application of Speed Control of Motor.

4. Effect of Feedback on DC Servo Motor

5. Transfer Function of DC Machine

6. Effect of P, PD, PI, PID Controller on a Second Order System.

7. Lag and Lead Compensation – Magnitude and Phase Plot

8. Temperature Controller Using PID

9. Characteristics of Magnetic Amplifiers

10. Characteristics of AC Servo Motor

Any two simulation experiments are to be conducted:

1. PSPICE Simulation of Op-Amp Based Integrator and Differentiator Circuits.

2. Linear System Analysis (Time Domain Analysis, Error Analysis) Using MATLAB.

3. Stability Analysis (Bode, Root Locus, Nyquist) of Linear Time Invariant System Using MATLAB

4. State Space Model for Classical Transfer Function Using MATLAB – Verification.






Network Analysis LAB (15A04202)

&

Electrical Circuits Lab (15A02202) Room No: EB-004 Regulation: R15

Carpet Area: 77.53 Sq.M Year & Semester: I-II&II-I

The objective of Electrical Circuits laboratory is to verify the theorems, Student able to

drawing current locus diagrams, determination of two port network parameters and Practical

implementation of active and reactive power measurement techniques .It can accommodate

36 students performing 10 experiments simultaneously.






List of Experiments

Electrical Circuits Lab:

1. Verification of Thevenin’s and Norton’s Theorems

2. Verification of Superposition Theorem and Maximum Power Transfer Theorem

3. Verification of Compensation Theorem

4. Verification of Reciprocity , Millmann’s Theorems

5. Locus Diagrams of RL and RC Series Circuits

6. Series and Parallel Resonance

7. Determination of Self, Mutual Inductances and Coefficient of Coupling

8. Z and Y Parameters

9. Transmission and Hybrid Parameters

10. Measurement of Active Power for Star and Delta Connected Balanced Loads

11. Measurement of Reactive Power for Star and Delta Connected Balanced Loads

12. Measurement of 3-Phase Power by Two Wattmeter Method for Unbalanced Loads

Network Analysis LAB:

1. Verification of KCL & KVL for any network.

2. Verification of Superposition Theorem with analysis.

3. Verification of Thevenin’s Theorem with analysis.

4. Verification of Maximum Power Transfer Theorem with analysis.

5. Analysis of RL & RC circuits for pulse excitation.

6. Frequency response of series resonance circuit with analysis and design.

7. Frequency response of parallel resonance circuit with analysis and design.

8. Design and frequency response of constant ‘k’ low pass & high pass filters.

9. Design and frequency response of Band pass filter.

10. Design and frequency response of Notch filter.

11. Determination of phase of a sinusoidal signal when passed through RL or RC circuits.

12. Impedance transformation through transformer.






Power Electronics & Simulation Laboratory (15A02607)


Carpet Area: 77.53 Sq.M Year & Semester: III-II

The objective of Power Electronics and simulation laboratory is to analyse the Gate Firing

Circuits for SCRs ,choppers. The student will understand the characteristics of power electronic

devices with gate firing circuits,Various forced commutation techniques,The operation of single-

phase voltage controller, converters and Inverters circuits with R and RL loads,Analyze the

TPS7A4901, TPS7A8300 and TPS54160 buck regulators.This lab is equipped with Gate Firing

Circuits ,AC Voltage Controller , Bridge Converter , Forced Commutation Circuits , DC Jones

Chopper , Series Inverter , Dual Converter and it can accommodate 36 students perform 10

experiments simultaneously.







1. Gate Firing Circuits for SCRs

2. Single Phase AC Voltage Controller with R and RL Loads

3. DC Jones Chopper with R and RL Loads

4. Forced Commutation Circuits (Class A, Class B, Class C, Class D and Class E)

5. Three phase fully controlled Bridge converter with R- load

6. Single Phase Parallel, Inverter with R and RL Loads

7. Single phase Cyclo converter with R and RL loads

8. Single Phase Series Inverter with R and RL Loads

9. Single Phase Dual Converter with RL Loads

10. Illumination control / Fan control using TRIAC

Any Four Experiments of the following (1, 2, 3, A, B, C):

1. Using TPS7A4901 and TPS7A8300, study-

2. Impact of line and load conditions on drop out voltage

3. Impact of line and load conditions on efficiency

4. Impact of capacitor on PSRR

5. Impact of output capacitor on load-transient response

2. Study of DC-DC Buck converter

a) Investigate how the efficiency of a TPS54160 buck regulator depends on the line and load conditions

and on the switching frequency.

b) Analyze the influence of switching frequency fs and of capacitance C and resistance ESR of the input

and output capacitors on steady-state waveforms of TPS54160 buck regulator.

3. Analyze how the switching frequency fs, the DC accuracy and the line noise rejection of the hysteretic

buck regulator LM3475 depend on line voltage, the load current, the characteristics of the output capacitor

and the impact of speed-up capacitor.






Power Systems & Simulation Laboratory (15A02710)

Room No: EB-006 & WB-102 Regulation: R15

Carpet Area: 83.13 Sq.M Year & Semester: IV-I

The objectives of this Power Systems & Simulation Laboratory includes determination

(in machines lab) of sequence impedance and sub-transient reactance’s of synchronous machine,

analyzing of LG, LL, LLG, LLLG faults , Developing MATLAB program for formation of Y and Z

buses, developing MATLAB programs for gauss-seidel and fast decoupled load flow studies,

Developing the SIMULINK model for single area load frequency control problem. It can

accommodate 36 students perform 10 experiments simultaneously. Lab also provided with MATLAB

software to solve the single area load frequency problem and load flow analysis in easy way.







1. Determination of Sequence Impedances of Cylindrical Rotor Synchronous Machine.

2. Fault Analysis – I

3. LG Fault

4. LL Fault

5. Fault Analysis – II

6. LLG Fault

7. LLLG Fault

8. Determination of Sub-transient reactances of salient pole synchronous machine.

9. Equivalent circuit of three winding transformer.

10. Y bus formation using MATLAB

11. Z bus formation using MATLAB

12. Gauss-Seidel load flow analysis using MATLAB

13. Fast decoupled load flow analysis using MATLAB

14. Develop a Simulink model for a single area load frequency control problem


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