Speed Control of Single Phase Induction Motor Using VFD
We are designing variable frequency drive for controling speed of single phase induction motor. Our design is based upon the previously tested version of VFD for three phase induction motor with some modifications. The existing single phase VFD can't work with single p
Project Title
Speed Control of Single Phase Induction Motor Using VFD
Project Area of Specialization
Project Summary
We are designing variable frequency drive for controling speed of single phase induction motor. Our
design is based upon the previously tested version of VFD for three phase induction motor with some
modifications. The existing single phase VFD can't work with single phase induction motor due to
capacitor attached to the motor. We are going to remove that capacitor. We are creating phase shift for
driving the motor through our VFD.
Project Objectives
The objective of our project is to control the speed of single phase induction motor upto 0.5 horsepower.
Project Implementation Method
AC source voltage is converted into DC voltage and supplied to inverter circuit. The inverter circuit
consists of 2 H-bridges. One H-bridge energize main winding with 0 degree phase and other H-bridge
energize auxiliary winding with 90 degree phase shift for proper functioning of single phase induction
motor. H-bridges consists of MOSFETs which are controlled by controller.
Benefits of the Project
1. Saves energy
2. Higher system efficiency
3. Reduced maintenance
4. Better process control
5. Remote mounting
Technical Details of Final Deliverable
Final deliverable is VFD which controls the speed of single phase induction motor. The frequency ranges
from 10-50Hz in the multiples of 10.
Final Deliverable of the Project
Core Industry
Other Industries
Core Technology
Other Technologies
Sustainable Development Goals
Required Resources
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Resistor | Equipment | 24 | 2 | 48 |
| Capacitor | Equipment | 7 | 30 | 210 |
| 2N2222 | Equipment | 3 | 60 | 180 |
| IR2110 | Equipment | 4 | 120 | 480 |
| 4N28 | Equipment | 4 | 30 | 120 |
| 2-Pin Connector | Equipment | 18 | 25 | 450 |
| Ferric Chloride | Miscellaneous | 1 | 250 | 250 |
| Soldering Iron | Miscellaneous | 1 | 750 | 750 |
| Soldering Wire | Miscellaneous | 1 | 250 | 250 |
| Soldering Paste | Miscellaneous | 1 | 150 | 150 |
| PCB Board | Miscellaneous | 2 | 300 | 600 |
| Single Phase Induction Motor | Equipment | 2 | 5000 | 10000 |
| 1N4148 | Equipment | 4 | 15 | 60 |
| Labor | Miscellaneous | 1 | 5000 | 5000 |
| Heat Sink | Equipment | 8 | 50 | 400 |
| Bridge 3510 | Equipment | 1 | 120 | 120 |
| Bridge Round | Equipment | 1 | 20 | 20 |
| Fuse + Holder | Equipment | 1 | 25 | 25 |
| IC 7805 | Equipment | 1 | 20 | 20 |
| IC 7812 | Equipment | 1 | 20 | 20 |
| IRF 9640 | Equipment | 4 | 60 | 240 |
| IRF 640 | Equipment | 4 | 60 | 240 |
| Heat Shrink Tube | Equipment | 2 | 50 | 100 |
| Capacitor 250W | Equipment | 1 | 120 | 120 |
| Controller | Equipment | 2 | 1250 | 2500 |
| Total in (Rs) | 22353 |
If you need this project, please contact me on contact@adikhanofficial.com
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