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77

  1. 1. BLOCK DIAGRAM TRIGGERING CIRCUIT POTENTIOMETER AC SUPPLY TO INDUCTION MOTOR TRIAC INDUCTION MOTOR
  2. 2. INSTRUMENT USED
  3. 3. TRANSFORM CIRCUIT
  4. 4. AC IN OUT OUT IN IN
  5. 5. 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
  6. 6. 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
  7. 7. 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
  8. 8. OUTPUT OF 555 TIMER Amplitude PERIOD
  9. 9. 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
  10. 10. PROGRESS OF THE PROJECT The simulation of the schematic circuit in the multisim software have been done.
  11. 11. THANK YOU

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