Electrical Machines - I Lab
Space: 110 sq. mtr.
Batch size: 30 (6 students per set up)
Major equipment: DC Series Motor, DC Shunt Motor, DC Shunt Generator, 1-Phase Transformer, 3-Phase Transformer, Slip-ring Induction Motor, Squirrel cage Induction Motor
List of Experiments:
Heat-run test of a single-phase transformer.
Regulation and Efficiency of single-phase transformer by direct loading method.
Parallel operation of two single-phase transformer and find out the load sharing between them.
Efficiency of a single-phase transformer by Back-to-Back test.
Polarity test and vector grouping of a three-phase transformer.
Swinburne test of a D.C. shunt motor.
Brake test of D.C. series motor
Voltage build-up of a D.C. shunt generator and find out critical resistance and critical speed.
Circle diagram of a three-phase Induction Motor.
Speed control of three-phase Induction Motor by V/f constant.
Separation of losses in three-phase Induction Motor.
Load test of a three-phase wound rotor Induction Motor.