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The project is designed to protect an induction motor from single phasing and over temperature. Providing a protection system is very important in industries, using lot of motors such that production is not hampered owing to failure of any motor.

The basic idea for the development of this project is to provide safety to the industrial motor/pump/lift Motor etc. If any of the phases, out of the 3 phases is missing or if the temperature of the motor during operation exceeds the threshold value, motor stops immediately.

The system uses a 3-Phase power supply where three single phase transformers are connected to it. If any of the phases is not available the corresponding transformer stops supplying power to the circuit. This leads to one of the four relays getting switched OFF.

The main relay which is powered through a set of four relays gets disconnected because of one relay not being powered. Thus the main relay that delivers 3 phase supply to the motor gets disconnected. A thermistor is connected to the motor body to sense the temperature. If the temperature increases then supply to the fourth relay is disconnected.

Further the project can be enhanced by using current sensors for over load protection and phase sequence sensor for protecting the motor from applying wrong phase sequence. 

Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Non-Microcontroller Project.
Branding-free material.
Automatic Motor Protection.
Call/mail for Tech Support from 10 am - 7 pm.
Can be Customized for Arduino, Raspberry Pi, PIC
Induction Motor Protection System
Hardware Requirements
  • OPAMPs
  • Resistors
  • Capacitors
  • Diodes
  • Thermistor
  • Transformers
  • Regulator
  • Relays
Software Requirements
Q & A
Q:  What is induction motor protection?
A:  Protecting the Induction motor from single phasing and over-temperature is known as induction motor protection.
Q:  What is the rating of motor used in this project?
A:  A 3 phase, ΒΌ HP motor is used in this project.
Q:  Is single phasing protection available?
A:  Yes, single phasing protection is available.
Q:  Why are 6 lamps used?
A:  A series of two lamps are used to represent each phase. 2 lamps are connected in series to ensure safety.
Average Rating
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Showing 4 of 15 reviews Show All
Kamalesh, PUNE on 7th June, 2016, 06:28 PM

We came to know about edgefx is through searching key words wireless power transfer in google
By seeing the website it so attractive and it is easy to understand
I received with the right components in right time
supported team helped me to purchase kit online
develop more projects related to all aspects
i will refer this site to our friends
i will go through your blog

Arpita Patel, VADODARA on 23rd November, 2015, 04:57 PM

I was searching Induction Motor Protection System and I find in the Google.
I found my project Title so decided to buy that project
I purchase through online

CHAUDHARI JAYESHBHAI SATISHBHAI, Modasa on 13th November, 2015, 06:31 PM

I come to know about Edgefx through Internet
I founded the information related to my project.
I Purchased directly through online.

Ganesh Hade, Buldhana on 21st July, 2015, 11:34 AM

While searching in the Net I came to know about Edgefx and I used the keyword Electrical readymade project to find the Edgefx.I decided because it is easy to understand I like the database like Report and videos. Yes the kit delivered on time with the right components.I purchased through online.Delivery aspect should be improved.

Rating Breakdown (15 Reviews)

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