Auto Transformer Starting



Steps for Connection:

1.       Connect CH1 of the oscilloscope to L21.

2.       Connect CH2 and CH3 with the motor shaft.

3.       Choose the red colour cable button.

4.       Connect L21 to the one of the terminal of the ammeter.

5.       Connect U1 to the other terminal of the ammeter.

6.       Choose the green colour cable button Connect L22 to V1.

7.       Connect w1 to one of the terminal of the voltmeter.

8.       Choose the blue colour cable button Connect L32 to W1.

9.       Connect w2 to the other terminal of the voltmeter

10.   Choose the black colour cable button.

11.   Connect U2  and V2

12.   Connect V2  and W2

13.   Click the check button and if the connection is correct, click OK.

14.    If the connection is wrong, follow the error message displayed and correct the connection.

15.   Select 1 on the two way switch on the left hand side of the panel.

16.   Switch ON the MCB and click the start button.

17.   Switch ON the second MCB.

18.   Select star or delta by clicking the three way switch in the star delta starter

19.   Note the readings of ammeter and voltmeter.

20.   Select CH1, CH2 and CH3 button on Oscilloscope for instantaneous current , speed and torque reading


For  video tutorial click the link below