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PROJECT DESCRIPTION

The project is designed to control the speed of a single-phase induction motor using an easy operating knob, which is commonly used in home automation application.

This project consists of a two anti-parallel SCRs connected in series with an induction motor to the utility supply. When the project is in operation, the firing angle is adjusted according to the requirement, which leads to changed intensity of a lamp or speed control of an induction motor .An op-amp operates in comparator mode that compares with zero voltage pulses to develop a saw-tooth voltage. This saw tooth waveform is further compared against a varying voltage by a potentio meter for the level comparator to develop delayed pulses for triggering the SCRs. A lamp is provided in this project in place of an induction motor for demonstration purpose.

Furthermore, the project can be enhanced by using six SCRs, two connected in back to back for each phase for a three phase load and the same project can also be enhanced to run motor in both the directions.  

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The project is designed to control the speed of a single-phase induction motor using an easy operating knob, which is commonly used in home automation application.

This project consists of a two anti-parallel SCRs connected in series with an induction motor to the utility supply. When the project is in operation, the firing angle is adjusted according to the requirement, which leads to changed intensity of a lamp or speed control of an induction motor .An op-amp operates in comparator mode that compares with zero voltage pulses to develop a saw-tooth voltage. This saw tooth waveform is further compared against a varying voltage by a potentio meter for the level comparator to develop delayed pulses for triggering the SCRs. A lamp is provided in this project in place of an induction motor for demonstration purpose.

Furthermore, the project can be enhanced by using six SCRs, two connected in back to back for each phase for a three phase load and the same project can also be enhanced to run motor in both the directions.  

PROJECT HIGHLIGHTS
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm IST.
×
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm IST.
BLOCK DIAGRAM
Single Phase Induction Motor Speed Control
Hardware Requirements
  • Op-amp
  • Opto-isolators
  • SCRs
  • Voltage Regulator
  • Transformer
  • Diodes
  • LED
  • Resistors
  • Capacitors
  • Lamp
×
  • Op-amp
  • Opto-isolators
  • SCRs
  • Voltage Regulator
  • Transformer
  • Diodes
  • LED
  • Resistors
  • Capacitors
  • Lamp
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