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Arduino-based power factor correction (PFC) involves using an Arduino microcontroller to monitor and improve the power factor of an electrical system. The power factor is the ratio of real power (used to do work) to apparent power (total power within the system), and a lower power factor indicates inefficiencies due to reactive power (caused by inductive or capacitive loads). Improving the power factor can reduce energy costs and increase the efficiency of electrical systems.Setup Sensors: Connect the voltage and current sensors to the Arduino. Ensure that the sensors are correctly calibrated to provide accurate readings.

Zero-Crossing Detection: Write code to detect the zero-crossings of voltage and current signals. This can be done using interrupt service routines (ISRs) in the Arduino.

Calculate Power Factor: Use the time difference between zero-crossings to calculate the phase angle and, consequently, the power factor.

1. Arduino Uno Based Power Factor Correction Abdul Basit Fa20-BEE-005 Abdul Moiz Fa20-bee-008 Supervisor: Engr. waheed ur rAhman

2. CONTENT Introduction Problem Statement Literature Review Components Used Software Used Block Diagram Flowchart Simulation Results Expected outcomes Bibilography

3. INTRODUCTION Modern electrical distribution systems often use inductive loads such as motors, transformers, lighting ballasts, and induction furnaces. Inductive loads require both working power (kW) for actual work and reactive power ( kVAR ) to maintain magnetic fields. Inductive loads increase power consumption, leading to higher electric bills for the same work done.

4. It is defined as the ratio of real power (measured in watts) that is used to do work to the apparent power (measured in volt-amperes) Power Factor = Power factor values range from 0 to 1. Types of Power Factor Unity Power Factor: Indicating that the voltage and current are in phase, and all the power is used effectively. 2. Lagging Power Factor: When the power factor is less than 1 and the current lags behind the voltage, commonly caused by inductive loads such as motors and transformers. 3. Leading Power Factor: When the power factor is less than 1 and the current leads the voltage, typically caused by capacitive loads.   First, we must know what is Power Factor:

5. PROBLEM STATEMENT

6. LITERATURE REVIEW Paper Name Author(s) Year Objectives Findings Limitations Arduino Based Automatic Power Factor Control Not Specified 2020 Design an automatic power factor correction system using Arduino Uno. Prototype successfully measures power factor and switches capacitor banks to improve it. Lacks details on component selection and safety considerations. Automatic Power Factor Correction Using Arduino Not Specified Not Available Develop a low-cost power factor correction unit with Arduino control. System uses zero crossing detection and relay control for capacitor switching, achieving near-unity power factor. Limited information on power rating and specific control algorithm. Sixteen level power factor correction by using arduino microcontroller based fuzzy idea A. Kumar et al. 2014 Implement a fuzzy logic-based control system for multi-stage capacitor bank switching with Arduino. Fuzzy logic effectively controls capacitor selection for improved power factor correction with minimal switching. Focuses on control strategy, lacks details on hardware design and safety measures. ARDUINO UNO BASED POWER FACTOR CORRECTOR A.A. Khan et al. 2018 Design an Arduino Uno based system for power factor correction using phase angle measurement. Prototype calculates power factor based on voltage and current phase shift, activating capacitors for correction. Limited information on calibration techniques and potential for harmonics distortion. (PDF) Arduino Based Automatic Power Factor Control M.A. Rahman et al. 2017 Develop an IoT enabled automatic power factor correction system with Arduino control. Prototype demonstrates remote monitoring and control of power factor correction along with local control using Arduino. Focuses on remote monitoring aspects, lacks in-depth analysis of control algorithm and safety features.

7. COMPONENTS USED Arduino Uno Transformer Regulator LCD Display 12V Supply Relay

8. Software Used Proteus Atmel Arduino

9. BLOCK DIAGRAM

10. FLOWCHART

11. Simulation

12. RESULTS

13. Expected Outcomes

14. Bibliography [1] [2] International Journal of Research Publication and Reviews, Vol 3, Issue 6, pp 4788-4807, June 2022 [3] https://www.ijrte.org/wpcontent/uploads/papers/v8i4/D9126118419.pdf [3] https://digitalcollection.utem.edu.my/26864/1/Arduino%20based%20automatic%20power%20factor%20correction.pdf [5] https://rspsciencehub.com/article_4510_de296814ad3b25abd9c8ab31705da8ea.pdf [6] https://www.ijareeie.com/upload/2020/june/36_Automatic.PDF

15. Tentative Project Schedule / Gantt Chart

16. THANK YOU