List of Experiments

EE-212

DC Machines and Transformers

 

1. Measurement of induced emf and magnetising currentunder open circuit condition in D.C. generators.
2. Determination of the relationship between terminalvoltage and load current keeping speed constant for(a) Separately excited generator keeping excitationconstant(b) D.C. shunt generator.
3 To measure the variation in no load speed of aseparately excited d.c. motor for the variation in(a) Armature circuit resistance(b) Field circuit resistance.
4. Measurement of the speed of a d.c. series motor as afunction of the load torque.
5. (a) No-load and short circuit test on a single phasetransformer.(b) Determination of efficiency and regulation oftransformer.
6. To determine the insulation resistance of a transformer at no load and at full load condition.

IE-215

Electromagnetic Energy Conversion

1. Predetermination of efficiency and regulation of single-phase transformers.
2. Load test on single phase/three phase transformers.
3. Load characteristics of DC motors (shunt, series and compound).
4. Load characteristics of DC shunt/compound generators.
5. Load test on alternators.
6. Synchronous motor characteristics.
7. . Load test on three phase induction motors.
8. Load characteristics of a single phase induction motors.
9. Speed control of DC shunt motor using (a) armature control (b) field control.
10. Swinburne’s test.

 

 

EE-512

Electrical Machine (DC Machines & Transformers)

1. To Perform Load test on a single phase transformer.
2. To perform Open circuit and short circuit tests on a single phase transformer and hence findEquivalent circuit, voltage regulation and efficiency.
3. To find the efficiency and voltage regulation of single phase transformer under different loading Conditions.
4. To perform parallel operation of two single phase transformers.
5. To study the various connections of three phase transformer.
6. To perform Scott connections on three phase transformer to get two phase supply.
7. To study the constructional details of direct current (DC) machine and to draw sketches of different components.
8. To measure armature and field resistance of direct current (DC) shunt generator and to obtain its open circuit characteristics.
9. To obtain load characteristics of direct current (DC) shunt/series /compound generator.
10. To draw speed-torque characteristics of direct current (DC) shunt/series /compound generator.
11. To study direct current (DC) motor starters.
12. To perform Swinburne’s test (no load test) to determine losses of direct current (DC) shunt Motor.

IE-514

Electrical Machine Lab

1. Determination of coupling coefficient.
2. Series and parallel resonance.
3. Power measurement in single phase and three phase circuits.
4. Open circuit characteristics of DC generators.
5. Load characteristic of DC motors.
6. Speed control of DC motors
7. Brake test of DC motors.
8. Regulation of three-phase alternator.
9. Open circuit and short circuits of transformer.
10 Brake test of induction motors.
11. V-curve of synchronous motor.