Page 206 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

TASK 2:
1 Connect synchronous motor as per circuit Fig 2
2 Start and run 3 phase synchronous motor

TASK 3:
1 Vary the filed current
2 Record the power factor at various excitation currents
3 Record the total load current under varying field currents.
4 Tabulate the field current and power factor.
5 Note the induction motor load current with varying field currents
6 Tabulate the readings.
7 Verify the reduction in no load current from power source with improved power factor.
Total load current Power Synchronous motor Synchronous motor Induction motor load current
factor load current Filed current

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CITS : Power - Electrician & Wireman - Exercise 85