1. BLOCK DIAGRAM
TRIGGERING CIRCUIT
POTENTIOMETER
AC SUPPLY TO INDUCTION
MOTOR
TRIAC
INDUCTION MOTOR

2. INSTRUMENT USED

3. TRANSFORM CIRCUIT

6. AC IN
OUT
OUT
IN
IN

7. OP-AMP 741COMPARATOR AND
CONNECTION MADE TO IT
Vcc
vcc
6 1
0
h
ing
Input to AND gate
R4
1kohm
741
7 1 6
U1
4
0

8. PIN DIAGRAM OF LM 741
1
2
3
4
8
7
6
5
Offset null
Inverting input
Non inverting null
V-
NC
V+
Output
Offset null

10. PIN DIAGRAM OF 555 TIMER
8
7
6
5
1
2
3
4
Ground
Trigger
Output
Reset
Discharge
Vcc
Threshold
Control voltage
8- PIN DIP

12. OUTPUT OF 555 TIMER
Amplitude
PERIOD

13. AND GATE AND ITS TRURH TABLE:-
A
0
0
1
1
B
0
1
0
1
OUTPUT
0
0
0
1
INPUT A
INPUT B
OUTPUT

17. PROGRESS OF THE PROJECT
The simulation of the schematic circuit in the
multisim software have been done.

18. THANK YOU