Shakshat Virtual Lab
INDIAN INSTITUTE OF TECHNOLOGY GUWAHATI
Steps for Connection:
1. Align the mechanical load with the shaft and tighten it with the help of a wrench .
2. Select the cable colour button (red).
3. Connect L31 with CC (current coil) of the wattmeter on the left side .
4. Connect common point of wattmeter with u1.
5. Select the cable colour (green) .
6. Connect PC (potential coil) with v1 .
7. Connect L32 with v1 .
8. Select the cable colour (blue) .
9. Connect L33 with CC of the wattmeter on the right side.
10. Connect the common point of the wattmeter with w1 .
11. Select the cable colour (green).
12. Connect PC with v1 .
13. Select the cable colour (green) .
14. Connect L32 with one terminal of the voltmeter .
15. Select the cable colour (blue) .
16. Connect L33 with the other terminal of the voltmeter.
17. Select the cable colour (black) .
18. Connect ammeter between u2 and v2 .
19. Short v2 and w2 .
20. Click the check button and if the connection is correct, click OK .
21. If the connection is wrong, follow the error message displayed and correct the connection .
22. Select 1 on the two way switch on the left hand side of the panel .
23. Switch ON the MCB and click the start button .
24. Switch ON the second MCB .
25. Click ‘b’ on the three way switch to select the variable voltage .
26. Select 1 on the next two way switch .
27. Select voltage with the voltage regulator knob .
28. Note the readings of voltmeter, ammeter and wattmeter .