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PROJECT DESCRIPTION

Today's technologically advanced world is witnessing quite a large number of innovations requiring huge volumes of power, and thus power has become a very precious source. So we need to find out the ways to minimize power loss and improve the efficiency of power systems. Due to industrialization, the use of inductive load has increased and hence the power systems are losing efficiency. The proposed system is designed to reduce the power loss in industries by improving the power factor by adding the capacitive load to equalize the inductive load in the power system.

The Power factor is defined as the ratio of a real power to an apparent power. The actual amount of power being used or dissipated in a circuit is called as true power. The reactive loads such as inductors and capacitors make up what is called as reactive power. The linear combination of true power and reactive power is called apparent power.

This project is made to read the power factor by calculating the time lag between line voltages and line current from ZVS and ZCS circuits. This time values are then adjusted as phase angle, and then the corresponding power factor values are calculated by a microcontroller. Depending on the power-factor values, the capacitor banks are switched by appropriate relays. These power-factor values are also displayed on the 2X16 LCD modules. This is developed by using 8051 microcontroller.

Furthermore, the project can be enhanced further by using thyristor control switches instead of relay control to avoid contact pitting that becomes apparent by switching of capacitors due to high in-rush current.

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Today's technologically advanced world is witnessing quite a large number of innovations requiring huge volumes of power, and thus power has become a very precious source. So we need to find out the ways to minimize power loss and improve the efficiency of power systems. Due to industrialization, the use of inductive load has increased and hence the power systems are losing efficiency. The proposed system is designed to reduce the power loss in industries by improving the power factor by adding the capacitive load to equalize the inductive load in the power system.

The Power factor is defined as the ratio of a real power to an apparent power. The actual amount of power being used or dissipated in a circuit is called as true power. The reactive loads such as inductors and capacitors make up what is called as reactive power. The linear combination of true power and reactive power is called apparent power.

This project is made to read the power factor by calculating the time lag between line voltages and line current from ZVS and ZCS circuits. This time values are then adjusted as phase angle, and then the corresponding power factor values are calculated by a microcontroller. Depending on the power-factor values, the capacitor banks are switched by appropriate relays. These power-factor values are also displayed on the 2X16 LCD modules. This is developed by using 8051 microcontroller.

Furthermore, the project can be enhanced further by using thyristor control switches instead of relay control to avoid contact pitting that becomes apparent by switching of capacitors due to high in-rush current.

PROJECT HIGHLIGHTS
Automatic Power Factor Correction.
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.
Pre-programmed Microcontroller.
×
Automatic Power Factor Correction.
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.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
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
×
  • 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
×
  • Keil compiler
  • Languages:Embedded C or Assembly
Q & A
Q:  Which microcontroller is used in this project?
A:  A 40 pin microcontroller from 8051 family is used in this project.
Q:  Which inductive load is used in this project?
A:  A 40W tube choke is used in this project.
Q:  Why 100W bulb is used?
A:  A 100W bulb is used to demonstrate as Linear or resistive load
Q:  Why is the lamp used in series with the inductor?
A:  Because a standard 40 watt tube light choke cannot be directly connected to mains, therefore a lamp is used.
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