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:
Basic safety precautions – earthing, introduction to measuring instruments – Voltmeter, Ammeter, Multimeter, Wattmeter, Real life Resistor, Capacitor, Inductor.
Verification of Thevenin's and Norton's Theorem.
Verification of Superposition and Maximum Power Transfer Theorem.
Characteristics of Fluorescent, Tungsten and Carbon filament lamps.
Study of R-L-C series circuit.
Three-phase Power measurement with two wattmeter method.
Demonstration of cut-out sections of machines: DC Machine (commutator-brush arrangement), Induction Machine (squirrel cage rotor).
Measurement of primary and secondary voltage and current of single-phase transformer – Open Circuit and Short Circuit Test.
Starting, Reversing and speed control of DC shunt motor.
Torque-Speed characteristics of DC Machine.
Torque-Speed characteristics of Three-phase Induction Motor.
Test on single-phase Energy Meter.