Impact of Ambient Temperature on Shunt Capacitor Placement in a Distorted Radial Distribution System

Essam A. Al-Ammar, Ghazi A. Ghazi and Wonsuk Ko
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Essam A. Al-Ammar: Department of Electrical Engineering, Faculty of Engineering, King Saud University, Riyadh 11461, Saudi Arabia
Ghazi A. Ghazi: Department of Electrical Engineering, Faculty of Engineering, King Saud University, Riyadh 11461, Saudi Arabia
Wonsuk Ko: Department of Electrical Engineering, Faculty of Engineering, King Saud University, Riyadh 11461, Saudi Arabia

Energies, 2018, vol. 11, issue 6, 1-17

Abstract: In electrical distribution systems, shunt capacitors are installed in order to reduce system losses, to enhance the voltage profile, and to free up system capacity. Nevertheless, the installation of shunt capacitors in distribution systems with distorted waveforms will magnify the distortion level of harmonics if they are not set at appropriate locations relative to the harmonics. This paper proposes a hybrid method to determine the placement and sizing of shunt capacitors in distorted radial distribution systems, taking into account the presence of harmonic distortion with consideration of ambient temperature effects, (this technique consists of the fuzzy expert system approach and the Genetic Algorithm method). This hybrid technique is applied to an IEEE 34-bus radial standard distribution system as well as a real distribution system in the Saudi Electricity Company. The simulation results show that harmonic distortion considerably reduces and the efficiency of distribution systems increases with a reduction in power loss and enhancement of voltage regulation.

Keywords: hybrid technique; fuzzy expert system; power loss; genetic algorithm; ambient temperature effects (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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