ANN-Based SVC Tuning for Voltage and Harmonics Control in Microgrids

Loureiro, Pedro C.; Variz, Abilio Manuel; Oliveira, Leonardo W. de; Oliveira, Amanda Suellenn da Silva Santos; Pereira, J.L.R.

doi:10.1007/s40313-016-0281-z

Cited by 10 publications

(7 citation statements)

References 27 publications

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“…Artificial neural network (ANN) was used to optimize the SVC tuning for voltage and harmonics control in MG. The results of this study show the effectiveness of the proposed control, which reduced the voltage fluctuation to less than 1% from the specified voltage and maintained the THD below 5%, consistent with the requirements of the IEEE Standard 519-2014 [20]. UPQC Voltage unbalance -Reduced the VUF to less than 2% -Other methods reduced the VUF to less than 1%, better than that of the proposed UPQC [126] ANFIS-based UPQC Sag mitigation and THD reduction -THD was within the required limits -Injected reactive power to address voltage sag -Only three-phase fault is tested -Increased cost and complexity [124] Furthermore, another optimization method was introduced in [129].…”

Section: Other Methods and Control Strategiessupporting

confidence: 84%

“…Compliance with the frequency and voltage regulations based on the German GC was evaluated for an MG linked main grid in [16]. Moreover, on the basis of recent standards, the swell, unbalance, fluctuation, and harmonics issues are mitigated in MG systems by using external devices such as static synchronous compensator (STATCOM) [17,18], dynamic voltage restorers (DVR) [19], static VAR compensator (SVC) [20,21], and unified PQ conditioner (UPQC) [22].…”

Section: Introductionmentioning

confidence: 99%

“…As a conventional power device, STATCOM is used to overcome the voltage sag and swell and thus enhance voltage stability in [26], reduce harmonics in [27], mitigate unbalance in [28], reduce power fluctuation in MG, and increase the voltage regulation and system power factor [29]. The SVC is developed to solve various critical PQ problems in MG systems [20,21,30]. For the same purpose, other custom power devices such as UPQC are used.…”

Section: Introductionmentioning

confidence: 99%

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Power Quality in Microgrids Including Supraharmonics: Issues, Standards, and Mitigations

et al. 2020

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A microgrid (MG) is a small-scale power system with a cluster of loads and distributed generators operating together through energy management software and devices that act as a single controllable entity with respect to the grid. MG has become a key research element in smart grid and distribution power systems. MG mainly contains different renewable energy sources (RESs) that use various technological advancements, such as power electronics-based technologies. However, it has an unstable output, thereby causing different types of power quality (PQ) events. As a result, standards and mitigation methods have been developed in recent years. To mitigate PQ issues due to MG integration, various methods and standards have been proposed over the last years. Although these individual methods are well documented, a comparative overview had not been introduced so far. Thus, this study aims to fill the gap by reviewing and comparing the prior-art PQ issues, solutions, and standards in MGs. We compare the main issues related to voltage sag, voltage swell, voltage and current harmonics, system unbalances, and fluctuations to ensure high-quality MG output power. The new technologies associated with MGs generate harmonics emission in the range of 2-150 kHz, thereby causing a new phenomenon, namely, supraharmonics (SH) emission, which is not sufficiently covered in the literature. Therefore, the characteristics, causes, consequences, and measurements of SH are highlighted and analyzed. The mitigation strategies, control, and devices of PQ issues are also discussed. Moreover, a comparison is conducted between the most popular devices used to mitigate the PQ issues in MG in terms of cost, rating, and different aspects of performance. This review study can strengthen the efforts toward the mitigation and standards development of PQ issues in MG applications, especially SH. Finally, some recommendations and suggestions to improve PQ of MG, including SH, are highlighted.

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Section: Other Methods and Control Strategiessupporting

confidence: 84%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Power Quality in Microgrids Including Supraharmonics: Issues, Standards, and Mitigations

et al. 2020

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“…The types or names of devices used also have many variations [3,9]. Some use the concept of capacitor banks that utilise relays to add capacitive loads to the grid [10][11][12][13], dynamic voltage restorer (DVR) [14], static synchronous compensator (STATCOM) [15,16], and static VAR compensator (SVC) [17,18].…”

Section: Introductionmentioning

confidence: 99%

Capacitor bank controller using artificial neural network with closed-loop system

et al. 2020

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The problem of power factor in the industry is critical. This is due to the issue of low power factor that can make the vulnerability of industrial equipment damaged. This problem has been resolved in various ways, one of which is the Automatic Power Factor Correction, with the most popular device called capacitor bank. There are also many methods used, but several methods require certain calculations so the system can adapt to the new plant. In this study, researchers proposed a capacitor bank control system that can adapt to plants with different capacitor values without using any calculations by using an Artificial Neural Network with a closed-loop controller. The system is simulated using Simulink Matlab to know the performance with two testing scenarios. The first is changing the value of the power factor on the system and changing the value of the capacitor power at each bank, the second comparing it with the conventional methods. The results show that the system has been able to adapt to different capacitor power values and has a better performance than the conventional method in power factor oscillation due to the extreme power factor interference

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“…An assessment was conducted in [13] to determine if the MG connected to the main grid adhered to the frequency and voltage standards outlined in the German GC. In recent standards, the problems of swell, unbalance, fluctuation, and harmonics in MG systems are addressed by employing external devices like Static Synchronous Compensators (STATCOM) [14], [15], Dynamic Voltage Restorers (DVR) [16], Static VAR Compensators (SVC) [17], [18], and unified Power Quality Conditioners (UPQC) [19].…”

mentioning

confidence: 99%

A Review of Power Quality and Standards, Issues, Corresponding Mitigation Techniques in Microgrids

abu-elwfa,

Abdelsattar Mohamed,

M. Aly

2024

International Journal for Holistic Research

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ANN-Based SVC Tuning for Voltage and Harmonics Control in Microgrids

Cited by 10 publications

References 27 publications

Power Quality in Microgrids Including Supraharmonics: Issues, Standards, and Mitigations

Power Quality in Microgrids Including Supraharmonics: Issues, Standards, and Mitigations

Capacitor bank controller using artificial neural network with closed-loop system

A Review of Power Quality and Standards, Issues, Corresponding Mitigation Techniques in Microgrids

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