Basic Electrical Lab

  • Space: 110 sq. mtr.

  • Batch size: 30 (3 students per set up)

  • Major equipment: Fluorescent lamp, Energy Meter, A.C. and D.C. Ammeter-Voltmeter Set up, Induction Motor, D.C. Shunt Motor,1-Ф Transformer, Carbon and Tungsten Lamp

List of Experiments:

  1. Basic safety precautions – earthing, introduction to measuring instruments – Voltmeter, Ammeter, Multimeter, Wattmeter, Real life Resistor, Capacitor, Inductor.

  2. Verification of Thevenin's and Norton's Theorem.

  3. Verification of Superposition and Maximum Power Transfer Theorem.

  4. Characteristics of Fluorescent, Tungsten and Carbon filament lamps.

  5. Study of R-L-C series circuit.

  6. Three-phase Power measurement with two wattmeter method.

  7. Demonstration of cut-out sections of machines: DC Machine (commutator-brush arrangement), Induction Machine (squirrel cage rotor).

  8. Measurement of primary and secondary voltage and current of single-phase transformer – Open Circuit and Short Circuit Test.

  9. Starting, Reversing and speed control of DC shunt motor.

  10. Torque-Speed characteristics of DC Machine.

  11. Torque-Speed characteristics of Three-phase Induction Motor.

  12. Test on single-phase Energy Meter.