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PROJECT DESCRIPTION

The proposed project is designed to demonstrate the nature of the power factor for different loads, such as resistive, inductive and capacitive loads.

The system consists of ZVS and ZCS circuits which are interfaced to the microcontroller for detecting the zero crossing of voltage and zero crossing of current, respectively.An Opto-coupler is connected to trigger the back-to-back SCRs to provide isolation from the controlling section. The capacitive loads are connected through SCRs to for measuring the corresponding power factor.

This proposed system measures the lagging or leading currents and voltages from ZVS and ZCS circuits.The anti-parallel SCRs are responsible for addingdifferent capacitive loads, and then displaying the corresponding power factor on 16x2 LCD display.This system is developed by using 8051 microcontroller.

The scope of the project in future can be improved by using a delayed-firing-angle-control method for each connected load through thyristors for achieving precise power factor.

 

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The proposed project is designed to demonstrate the nature of the power factor for different loads, such as resistive, inductive and capacitive loads.

The system consists of ZVS and ZCS circuits which are interfaced to the microcontroller for detecting the zero crossing of voltage and zero crossing of current, respectively.An Opto-coupler is connected to trigger the back-to-back SCRs to provide isolation from the controlling section. The capacitive loads are connected through SCRs to for measuring the corresponding power factor.

This proposed system measures the lagging or leading currents and voltages from ZVS and ZCS circuits.The anti-parallel SCRs are responsible for addingdifferent capacitive loads, and then displaying the corresponding power factor on 16x2 LCD display.This system is developed by using 8051 microcontroller.

The scope of the project in future can be improved by using a delayed-firing-angle-control method for each connected load through thyristors for achieving precise power factor.

 

PROJECT HIGHLIGHTS
Lag and Lead Power Factor Display.
Thyristor based APFC.
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.
×
Lag and Lead Power Factor Display.
Thyristor based APFC.
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
  • SCR
  • Current Transformer
  • Choke
  • Crystal
  • Switches
  • Slide Switch
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • Lamp
×
  • 8051 series Microcontroller
  • Op-amps
  • LCD
  • Shunt Capacitors
  • SCR
  • Current Transformer
  • Choke
  • Crystal
  • Switches
  • Slide Switch
  • 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 40 W tube light choke is used in this project.
Q:  Can I replace the choke by induction motor?
A:  Yes, the choke can be replaced by induction motor.
Q:  Why is the 100W bulb used?
A:  A 100W bulb is used to demonstrate as Linear or resistive load
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