Bidirectional Rotation of an Induction Motor with a Remote Control Device
The project is designed to drive an induction motor for the required application in forward and reverse directions using wireless technology. For an example, an exhaust fan can be used in both the directions to fresh air in and throw hot air out. This can be used in case of conventional exhaust a fan that rotates in one direction only.
This proposed system demonstrates a technology to rotate a squril cage induction motor in both clockwise and counter clockwise direction. It also has the provision to control the direction of the motor using a TV remote.
When a TV remote button is pressed, it sends an IR signal in RC5 code which is received by a IR receiver called TSOP-1738. Output from the TSOP is fed to a microcontroller of 8051 family which is interfaced to a relay driver IC.
Thereafter, the relay switching is done in by-stable mode for an split-phase induction motor to rotate in forward and reverse directions.
In future, it can further be enhanced by controlling the operation of induction motor using thyristors in place of relays for noise free operation.
Note: An induction motor is used to observe the output of the project. Motor is not supplied along with the kit. However, it can be purchased on extra cost.
- Easy to use, Self-explanatory kit.
- All-inclusive solution kit.
- Extensive audio-visuals available.
- Branding-free material.
- Pre-programmed Microcontroller.
- Call/mail for Tech Support from 10 am - 7 pm.
- Can be Customized for Arduino, Raspberry Pi, PIC
- 8051 series Microcontroller
- IR Sensor
- Relay Driver IC
- Voltage Regulator
- TV Remote
- Keil Compiler
- Language: Embedded ‘C’ or Assembly.
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Q: Which microcontroller is used in this project?
A: A 40 pin microcontroller from 8051 family is used in this project.
Q: Why bidirectional rotation of induction motor is required?
A: Bidirectional rotation of induction motor is required to use the fan both in normal mode as well as in exhaust mode. .
Q: How to connect the motor in this project?
A: Operation procedure is provided with the kit,for connecting the motor.
Q: What is the role of microcontroller?
A: The microcontroller is programmed so as to change the direction of induction motor, with respect to the input.
Q: What is the rating of motor to be used in this project?
A: Single phase, ¼HP motor is used in this project.
Q: From what distance can the loads be operated using TV remote?
A: IR TV remote can operate the loads from a distance of 15 feet approx.
Q: What is the formula for calculating smoothing capacitor value?
A: There is some approximated formula .Peak to peak ripple voltage = Load current in amps / (2*line frequency in hertz *capacitance in farads). But as rule of thumb for 1 A current 1000uF is best. Thus it is load dependent.