Page 158 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

Fig 2

Use multistrand flexible insulated wire for these connections as these wires will carry A.C mains
voltage and large current of the order of a few hundred milli amperes.

TASK 3: Construct and test IGBT test circuit
1 Collect and check the working condition of all the given components by Multimeter.
2 Assemble the circuit on breadboard as shown in Fig 3

3 Insert IGBT in socket.
4 Power ON the supply & Press switch S1 and observe that lamp load will glow this means IGBT is turned ON
5 Switch OFF S1 and press switch S2 observe that lamp will turn OFF this means IGBT is turned OFF.
6 Tabulate the observed conditions of switch position, Lamp ON/OFF and IGBT status in Table 1
Table 1

S1 position S2 position Lamp ON/OFF IGBT status

Fig 3

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CITS : Power - Electrician & Wireman - Exercise 67