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At each load all the meter readings and speed are noted down. 8. To stop the motor, the load is removed (belt is loosened), the 3-Ф auto- transformer voltage is Calculate Ro and Xo from the readings. Short Circuit Test: 1. Connections are made as per the circuit diagram. 2. Ensure that variac is set to zero A small voltage is applied using 3- ɸ variac to the stator so that a rated current flows in the induction motor. 4. Note down the readings of Voltmeter, Ammeter Calculate Ro and Xo from the readings. Short Circuit Test: 1. Connections are made as per the circuit diagram. 2. Ensure that variac is set to zero The readings of the Voltmeter, ammeter and wattmeter are noted down in Tabular form. ELECTRICAL MACHINES-II LAB. DEPARTMENT OF EEE. Page 12. 2. This manual consists of some important experiments of ac electrical machines.This is prepared by satish babu and lokesh.They are working as staff in usha * Switch - ON the motor and increase the auto - transformer gradually till the voltmeter reads the rated phase voltage 230V. * Note down the readings of the Connections are given as per the circuit diagram. 2. By adjusting the auto transformer, rated voltage is applied and the ammeter and wattmeter readings are61-63 2 Electrical Machines-II Lab Manual JAWAHARLAL NEHRU TECHNOLOGICAL After completing the experiment show your readings to the staff member and 2. Applied voltage is increased until rated load current flows. 3. Readings of all meters are noted. MEASUREMENT OF STATOR RESISTANCE:.