Power Saver for Industries & Commercial Establishments


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*Project Report and PPT included
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The project is designed to?reduce the power loss in industries?by power factor compensation through a number of shunt capacitors. This results in reduction in amount of electrical bill for industries and commercial establishments.

Power factor is defined as the ratio of real power to apparent power. This definition is often mathematically represented as KW/KVA, where the numerator is the active (real) power and the denominator is the (active + reactive) or apparent power.

Reactive power is the non working power generated by the magnetic and inductive loads, to generate magnetic flux. The increase in reactive power increases the apparent power, so the power factor also decreases. Having low power factor, the industry needs more energy to meet its demand, so the efficiency decreases.

In this proposed system the time lag between the zero voltage pulse and zero current pulse duly generated by suitable operational amplifier circuits in comparator mode are fed to two interrupt pins of the microcontroller. Microcontroller displays the power loss due to the inductive load on the LCD.

The program takes over to actuate appropriate number of relays at its output to bring shunt capacitors into the load circuit to get zero power loss. The 8 bit microcontroller used in the project belongs to 8051 family.

Further the project can be enhanced by using thyristor control switches instead of relay control to avoid contact pitting often encountered by switching of capacitors due to high in rush current.

Hardware Requirements

  • 8051 series Microcontroller
  • Op-amps
  • LCD
  • Shunt Capacitors
  • Relays
  • Relay driver IC
  • Current Transformer
  • Choke
  • Crystal
  • Toggle Switches
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • Lamp

Software Requirements

  • Keil compiler
  • Languages: Embedded C or Assembly


Q.What is the validity of the course?
Ans: It will be valid till one month from date of registration.
Q. Will the course cover hardware description?
Ans: Yes. It will cover hardware too.
Q. How many times lectures can be watched?
Ans: You can access a video lecture n no. of times during validity of your course.
Q. Will I get the certificate after completion of my course?
Ans: Yes every candidate will be awarded with certificate of training within two weeks after completion.
Q. Can I use this website in my mobile phone?
Ans: Yes but pc mode will be preferable for better understanding.
Q. Can we learn from other user registration id?
Ans: No. because we will trace the IP address of your pc, laptop, mobile if it is found unmatched with the registered id, registration will cancelled automatically and user will debarred from all services including certification.
Q: Will we get software package.
Ans: Yes u will get software package before proceeding to tutorials with how to install notes.

Block Diagram