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A fuzzy reasoning approach for optimal location and sizing of shunt capacitors in radial power systems | IEEE Conference Publication | IEEE Xplore

A fuzzy reasoning approach for optimal location and sizing of shunt capacitors in radial power systems


Abstract:

A fuzzy reasoning based decision maker is developed in this study in order to determine the optimal capacitor location and sizing in radial distribution systems for the p...Show More

Abstract:

A fuzzy reasoning based decision maker is developed in this study in order to determine the optimal capacitor location and sizing in radial distribution systems for the purpose of minimizing the power loss and capacitor cost with voltage limit constraints. The solution methodology includes two main parts. The first part is a fuzzy expert system that selects suitable candidate buses for capacitor locations in distribution feeder and the second part is a fuzzy optimization system that estimates the optimal capacitor sizing to obtain maximum savings at the optimal buses determined. Power flow analysis of the radial distribution system is performed using forward and backward sweep algorithm. The proposed method in this paper is simulated in MATLAB environment and verified on standard IEEE 9 bus radial distribution system. Results show that the proposed method ensures less annual cost and power loss compared to other methods in literature.
Date of Conference: 20-24 September 2015
Date Added to IEEE Xplore: 29 October 2015
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Conference Location: Montreal, QC, Canada
Citations are not available for this document.

I. Introduction

The cost and the quality of electrical energy is always one of the priority topics in power systems. Transmission losses are one the important part of the facts that affects the cost of transmitted power and energy. The main source of the transmission losses is the heat, which is caused by overloading and harmonics. Increasing prosperity with development of social life has promoted usage of some units as coolers and ventilations causing increment in reactive power consumption in residential areas. As a consequence of increasing reactive power, the line current is increased. Therefore the power loss and voltage drop in the line are also increase. It is obvious that the overloading of the line due to increased reactive power should be prevented in order not to cause high power loss and voltage drop. If the power losses decrease, the system acquires a longer operating life and an increased performance. Therefore, shunt capacitors are prevalently used in distribution systems. In addition to total power loss reduction and voltage profile enhancement, power factor correction and feeder capacity release are ensured with placement of shunt capacitors in radial distribution feeders. Nevertheless, in order to obtain these advantages, it is necessary to determine proper location and optimal sizing of shunt capacitor.

Cites in Papers - |

Cites in Papers - IEEE (2)

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1.
Hussein Jafrouni, Mohamed Almaktar, Faisal A. Mohamed, A. M. Elbreki, Zakariya Rajab, "Optimal Placement and Sizing of Static Var Compensators in Radial Distribution Networks Using Artificial Intelligence Techniques", 2023 15th International Conference on Electronics, Computers and Artificial Intelligence (ECAI), pp.01-06, 2023.
2.
Yesim A. Baysal, Ismail H. Altas, "Cuckoo search algorithm for power loss minimization by optimal capacitor allocation in radial power systems", 2016 International Symposium on INnovations in Intelligent SysTems and Applications (INISTA), pp.1-5, 2016.

Cites in Papers - Other Publishers (2)

1.
Thongchart Kerdphol, Fathin Saifur Rahman, Masayuki Watanabe, Yasunori Mitani, "Fuzzy Logic Control for Virtual Inertia Synthesis", Virtual Inertia Synthesis and Control, pp.167, 2021.
2.
Leyla AKBULUT, Süleyman Sungur TEZCAN, Ahmet ÇOŞGUN, "DAĞITIM ŞEBEKESİ GERİLİM KONFİGÜRASYONUNUN KARIŞIK TAMSAYI LİNEER PROGRAMLAMA ALGORİTMASI İLE ENERJİ MALİYETİ YÖNÜNDEN ARAŞTIRILMASI", Mühendislik Bilimleri ve Tasarım Dergisi, vol.7, no.2, pp.238, 2019.

References

References is not available for this document.