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KAG K Procedure and Observations: Figure 1: TIC225M Triac Symbol. 1- Connect a sinusoidal AC supply of 20Vrms as shown in figure 2 below. Prepared by: Dr. 5. Ali Al-Mosawi EENG433: Power Electronics Page 24 of 35 24 V Lamp 50 ?? A R 20Vrms AC A BT152 100 ?, 0.5A K Figure 2: Triac Turn-On Circuit. 2- Vary R (~50k?) until the lamp is "ON". 3- Disconnect the gate. What will happen to the lamp? Why? 4- Adjust the supply unit to get full-rectified signal of 20V peak value as shown in figure 4. Oscilloscope Power Supply

          KAG
K
Procedure and Observations:
Figure 1: TIC225M Triac Symbol.
1- Connect a sinusoidal AC supply of 20Vrms as shown in figure 2 below.
Prepared by: Dr. 5. Ali Al-Mosawi
EENG433: Power Electronics
Page 24 of 35
24 V Lamp
50 ??
A
R
20Vrms AC
A
BT152
100 ?, 0.5A
K
Figure 2: Triac Turn-On Circuit.
2- Vary R (~50k?) until the lamp is "ON".
3- Disconnect the gate. What will happen to the lamp? Why?
4- Adjust the supply unit to get full-rectified signal of 20V peak value as shown in figure 4.
Oscilloscope
Power
Supply

KAG
K
Procedure and Observations:
Figure 1: TIC225M Triac Symbol.
1- Connect a sinusoidal AC supply of 20Vrms as shown in figure 2 below.
Prepared by: Dr. 5. Ali Al-Mosawi
EENG433: Power Electronics
Page 24 of 35
24 V Lamp
50 ??
A
R
20Vrms AC
A
BT152
100 ?, 0.5A
K
Figure 2: Triac Turn-On Circuit.
2- Vary R ( 50k?) until the lamp is "ON".
3- Disconnect the gate. What will happen to the lamp? Why?
4- Adjust the supply unit to get full-rectified signal of 20V peak value as shown in figure 4.
Oscilloscope
Power
Supply

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