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Allocation of Reactive Power with Capacitor Bank Placement Considering the Use of Nonlinear Loads Using Particle Swarm Optimization | IEEE Conference Publication | IEEE Xplore

Allocation of Reactive Power with Capacitor Bank Placement Considering the Use of Nonlinear Loads Using Particle Swarm Optimization


Abstract:

The bus voltage level on each bus in the distribution system (DS) is greatly influenced by the presence of reactive power (Q). Under voltage conditions can occur if the s...Show More

Abstract:

The bus voltage level on each bus in the distribution system (DS) is greatly influenced by the presence of reactive power (Q). Under voltage conditions can occur if the system lacks a Q value. Capacitor banks are the most effective solution in overcoming this problem. However, it can have a negative effect if the location and size to be placed is not optimal. The use of nonlinear loads can generate the spread of harmonic distortion and resonance can occur in the placement of capacitor banks. This research is the effect of optimizing reactive power allocation from the placement and size of capacitor banks considering the spread of harmonic distortion using Particle Swarm Optimization (PSO) which is validated on the ULP (subdistrict) Sungguminasa 165-bus DS based on MATLAB 2018b programming. Minimizing the %THDv and losses values is the objective function of the optimization process carried out in several case studies. Placing 4 capacitor units in case 4 with a total capacity of 1217 kVAr is able to reduce total losses by up to 3.14% or 12.24 kW, reduce the average %THDv value up to 0.566% and increase the average bus voltage level up to 0.254%.
Date of Conference: 14-15 November 2023
Date Added to IEEE Xplore: 13 February 2024
ISBN Information:

ISSN Information:

Conference Location: Surabaya, Indonesia

I. Introduction

When planning and operating a radial distribution system (RDS), the allocation of reactive power from the placement of capacitor banks plays an important role in maintaining power quality [1]. Increasing the voltage profile, correcting the power factor value, reducing total losses and releasing feeder capacity are some of the benefits obtained from optimizing capacitor placement on the RDS [2]. Planning can be optimal if the size, type and location of the capacitor will be placed to achieve the objective function with all operating constraints at different load levels based on consumer needs [3]. The radial network model is widely used in electric power distribution systems in Indonesia [4]. However, there are many disadvantages to this DS type. Even though RDS has a minimal, simple and very economical construction, the distribution of electrical power is only through one channel. The farther the load is from the source, the greater the losses value and the voltage level will move away from 1 pu or under voltage conditions [5].

References

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