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Stream/Area:
-
Subject:
-
Paper ID:
IJSREM22914
Volume:
7 |
6 |
Jun 2023
Pages:
1-4
Publication Frequency:
Monthly (12 issues per year)
License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.
Department of Electrical and Electronics Engineering,
Ballari Institute of Technology and Management, Ballari, Karnataka, India
Department of Electrical and Electronics Engineering,
Ballari Institute of Technology and Management, Ballari, Karnataka, India
Department of Electrical and Electronics Engineering,
Ballari Institute of Technology and Management, Ballari, Karnataka, India
Department of Electrical and Electronics Engineering,
Ballari Institute of Technology and Management, Ballari, Karnataka, India
Poor power factor in inductive installations increases line current, losses, voltage drop, and utility demand. This paper presents a low-cost automatic power factor correction (APFC) system for single-phase loads. Potential- and current-transformer signals are conditioned through zero-crossing circuits and processed by an Arduino Uno to estimate the phase displacement between voltage and current. When the measured power factor falls below the programmed limit, the controller energizes relay-selected shunt-capacitor stages connected in parallel with the load. The measured value and operating status are shown on a liquid-crystal display. The implemented prototype automatically inserts compensation only when required and achieves a corrected power-factor range of approximately 0.92–0.95. The approach reduces unnecessary reactive-current flow while avoiding continuous manual switching and excessive capacitor duty.
KEYWORDS
The developed Automatic Power Factor Correction (APFC) system using a capacitive load bank provides an effective and economical method for improving the power factor of inductive loads. The Arduino-based controller automatically detects variations in power factor and switches the required capacitor banks through relays, reducing the need for manual correction. The system improves electrical efficiency, reduces reactive power demand and associated losses, and maintains the power factor near the desired level. The use of automatic capacitor switching also avoids unnecessary continuous connection of capacitors, thereby improving their operational life and making the proposed system suitable for industrial and distribution applications.
[1] C. H. Vijay, B. P. Kalyan, D. B. Reddy, and S. P. C. Rao, “Automatic power factor correction using Arduino,” 2020. [2] V. Ganorkar and P. Patil, “Automatic power factor correction: Low cost solution using Arduino.” [3] B. H. Jasim and B. N. Alhasnawi, “Automated power factor correction for smart home.” [4] V. K. Mehta and R. Mehta, Principles of Power System, 4th ed. New Delhi, India: S. Chand, ch. 6. [5] K. Balamurugan, M. Gowsika, T. Monika, and N. Naveen, “Power factor correction using SEPIC DC–DC converter in industrial motor drives,” ch. 4, pp. 34–39. [6] R. Dhameliya, K. Domadiya, P. Miyani, H. Savaliya, and P. Jariwala, “Automatic power factor control using Arduino Uno,” Int. J. Adv. Eng. Res. Dev., vol. 4, no. 4, 2017. [7] P. P. Machado, T. P. Abud, M. Z. Fortes, and B. S. M. C. Borba, “Power factor metering system using Arduino,” in Proc. IEEE Workshop Power Electron. Power Quality Appl. (PEPQA), 2017. [8] M. B. Khan and M. Owais, “Automatic power factor correction unit,” in Proc. Int. Conf. Computing, Electronic and Electrical Engineering (ICECube), 2016. [9] K. Schipman and F. Delince, The Importance of Good Power Quality. ABB Power Quality Belgium. [10] A. K. Tiwari, “Automatic power factor correction using capacitive bank,” Int. J. Eng. Res. Appl.
Publication Date
6/26/2023
Peer Review Type
Double-Blind Peer Review
Review Rounds: 2
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Conflict of Interest
The authors declare no conflict of interest related to this research work.
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