Department Of Electrical & Electronics Engineering
Nimra College of Engineering & technology
Jupudi, Ibrahimpatnam, Vijayawada-521456
Control Systems Laboratory
List of Experiments Conducted:
1. To Determine the Time-Response of Second Order Systems
2. Characteristics of Synchros
3. To Determine the Transfer function of DC Generator
4. Characteristics of DC Servo Motor.
5. To Determine the Transfer Function of DC Motor
6. Effect of P, PI, PID Controller of Second Order Systems.
7. Characteristics of AC Servo Motor.
8. Simulation of Transfer Function using Op-Amplifier
9. Root Locus, Bode plot using MAT Lab.
10. State Space Model for Classical Transfer Function using MAT Lab verification
11. Programmable Logic Controller. Study and verification of Truth Tables of Logic
Gates.
12. Lag and Lead Compensation-Magnitude and Phase Plot
13.Temperature Controller using PID
Department Of Electrical & Electronics Engineering
Nimra College of Engineering & technology
Jupudi, Ibrahimpatnam, Vijayawada-521456
Electro Mechanics Laboratory
List of Experiments Conducted:
Experiments on transformers.
1. OC and SC
test of a single phase Transformer.
2. Separation of Core loss of a 1-phase Transformer.
3. Sumperner’s Test on a pair of 1-phase transformer.
4. Parallel Operation of 1-phase transformers.
5. Load Test on a 1-phase transformer.
6. Scott Connection of 1-phase transformer.
7. three phase Connection of three 1-phase Transformer.
Experiments on Induction Motors:
8. Brake Test on 3-phase Induction motors
9. Equivalent Circuit of a single- phase Induction motors
10. Load test on single- phase Induction motors.
11. No load and Blocked rotor test on three-phase Induction motor.
Experiments on Synchronous Machines:
12. Voltage Regulation of an Alternator by EMF & MMF methods.
13. Voltage Regulation of an Alternator by ZPF & ASA methods.
14. Determination of Xd & Xq of a salient pole Alternator
15. Load Test on three-phase Alternator.
16. V & inverted V Curves on Synchronous motor.
17. Measurement of Sequence Impedance of three-phase Alternator.
Experiments on DC Machines:
18. Magnetization Characteristics of DC Shunt Generator. Determination of Critical
Resistance & Critical Speed.
19. Load Test on DC Shunt Generator. & determination of performance
characteristics.
20. Load Test on DC Series Generator. & determination of performance
characteristics.
21. Load Test on DC Compound Generator. & determination of performance
characteristics.
22. Hopkinson’s Test on DC Shunt machine & predetermination of efficiency.
23. Swimburn’s Test on DC Shunt machine & predetermination of efficiency.
24. Speed Control of DC Shunt motor
25. Retardation Test on DC Shunt motor & determination of Losses at rated Speed.
26. Separation of losses on DC Shunt motor.
27. Field Test on DC Series machine & determination of efficiency.
28. Load test on DC Compound motor.
29. Load test on DC Shunt motor.
30. Load test on DC Series motor.
Electro Mechanics-I Laboratory
List of Experiments Conducted:
1. Magnetization Characteristics of DC Shunt Generator. Determination of Critical
Resistance & Critical Speed.
2. Load Test on DC Shunt Generator. & determination of performance
characteristics.
3. Load Test on DC Series Generator. & determination of performance
characteristics.
4. Load Test on DC Compound Generator. & determination of performance
characteristics.
5. Hopkinson’s Test on DC Shunt machine & predetermination of efficiency.
6. Swimburn’s Test on DC Shunt machine & predetermination of efficiency.
7. Speed Control of DC Shunt motor
8. Retardation Test on DC Shunt motor & determination of Losses at rated Speed.
9. Separation of losses on DC Shunt motor.
10. Field Test on DC Series machine & determination of efficiency.
11. Load test on DC Compound motor.
12. Load test on DC Shunt motor.
13. Load test on DC Series motor.
Electro Mechanics-II Laboratory
List of Experiements Conducted:
Experiments on transformers.
1. OC and SC
test of a single phase Transformer.
2. Separation of Core loss of a 1-phase Transformer.
3. Sumperner’s Test on a pair of 1-phase transformer.
4. Parallel Operation of 1-phase transformers.
5. Load Test on a 1-phase transformer.
6. Scott Connection of 1-phase transformer.
7. three phase Connection of three 1-phase Transformer.
Experiments on Induction Motors:
8. Brake Test on 3-phase Induction motors
9. Equivalent Circuit of a single- phase Induction motors
10. Load test on single- phase Induction motors.
11. No load and Blocked rotor test on three-phase Induction motor.
Experiments on Synchronous Machines:
12. Voltage Regulation of an Alternator by EMF & MMF methods.
13. Voltage Regulation of an Alternator by ZPF & ASA methods.
14. Determination of Xd & Xq of a salient pole Alternator
15. Load Test on three-phase Alternator.
16. V & inverted V Curves on Synchronous motor.
17. Measurement of Sequence Impedance of three-phase Alternator.
Department Of Electrical & Electronics Engineering
Nimra College of Engineering & technology
Jupudi, Ibrahimpatnam,Vijayawada-521456
Electrical Measurements & Testing Laboratory
List of Experiments Conducted:
1) Calibration and testing of single phase Energy meter.
2) Calibration of Electro Dynamometer type Power Factor Meter.
3) Crompton’s DC Potentiometer-calibration of PMMC Ammeter and PMMC
Voltmeter.
4)
Kelvin’s Double Bridge-Measurements of Low Resistance –Determination of
Tolerance.
5)
CT Testing by Silsbee’s Method-Measurement of Ratio and Phase Angle Errors of
given CT by Comparison.
6)
Schering’s Bridge for Capacitance Measurement & Anderson’s Bridge for SelfInductance Measurement.
7)
Measurement of 3-phase reactive Power by using 1-phase Electro Dynamometer
Wattmeter.
8)
Measurement of Parameters of Choke Coil by using three Voltmeter and three
Ammeter Method.
9)
Calibration and testing of three phase Induction type Energy meter.
10)
LVDT & Capacitive Pick-up Characteristics and Calibration.
11)
Resistance Strain Gauge-Strain Measurement and Calibration.
12)
Measurement of Earth Resistance by using Earth Tester.
13)
Desauty’s Bridge for Loss-less Capacitance Comparison.
14)
Measurement of 3-phase power by using Two Wattmeter Method.
15) Wheatstone’s Bridge-Measurements of Medium Resistance
Department Of Electrical & Electronics Engineering
Nimra College of Engineering & technology
Jupudi, Ibrahimpatnam,Vijayawada-521456
NETWORKS Laboratory
LIST OF EXPERIMENTS CONDUCTED
1)Series and parallel Resonance, determinant of Resonant frequency, bandwidth and Q
factor.
2)Two port network parameters(Z,Y,ABCD parameters).
3) Verification of superposition and Reciprocity Theorem.
4) Verification of maximum power Transfer Theorem.
5) Determinant of Thevenin and Norton Equivalent Circuit and verification by direct
test.
6) Current Locus Diagram with RL and RC with R varying in both the cases and with C
varying.
7) Frequency Response of Low pass and High pass Filter.
8) Time Response of first order RL and RC circuits.
9) Separation of self and Mutual Inductance in a coupled circuits, determinant of
coefficient of coupling.
10) Verification of Compensation and Millmann’s Theorem.
Department Of Electrical & Electronics Engineering
Nimra College of Engineering & technology
Jupudi, Ibrahimpatnam,Vijayawada-521456
Power Electronics Laboratory
List of Experiments Conducted:
1. To Study the Characteristics of SCR, MOSFET, & IGBT.
2. Gate firing circuits for SCR’s
3. 1-phase AC Voltage Controllers with R & RL Loads.
4. 1-phase fully Controlled bridge converter with R & RL Loads.
5. Forced Commutation Circuits(Class A,B,C,D,E)
6. DC Jones Chopper with R & RL Loads.
7. 1-phase parallel Inverter with R & RL Loads.
8. 1-phase Cyclo Converter with R & RL Loads.
9. 1-phase Half Controlled converter with R Load
10. 3-phase Half Controlled bridge converter with R Loads
11. 1-phase Series Inverter with R & RL Loads.
12. 1-phase Dual Converter with R & RL Loads.
13. Study of DC Chopper.