A New PV-Open-UPQC Configuration for Voltage Sensitive Loads Utilizing Novel Adaptive Controllers

Dash, Santanu Kumar; Ray, Pravat Kumar

doi:10.1109/tii.2020.2986308

Cited by 43 publications

(11 citation statements)

References 23 publications

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“…Different levels of power quality are required by end consumers depending on the sensitive loads attached to the distribution system [89]. UPQC-O topology with the series active filter controlled using an adaptive notch filter and a shunt active filter combined with a PV system coupled with an adaptive logarithmic absolute algorithm was presented in this study.…”

Section: Open Upqc (Upqc-o)mentioning

confidence: 99%

Unified Power Quality Conditioners Based Different Structural Arrangements: A Comprehensive Review

et al. 2023

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Mitigating power quality issues in distribution systems is of utmost importance to both electricity consumers and suppliers as it improves the distribution system's efficiency, reduces electricity costs, maintains continuous supply, and diminishes the requirement for frequent maintenance. Custom power devices were introduced to eliminate power quality issues like voltage sags, swells, transients, imbalances, and current harmonics arising in distribution systems. Unified power quality conditioner (UPQC) is one such frequently used custom power device that enhances the power quality of distribution systems. Various structural arrangements of UPQCs with improved performance capability were introduced within the last few decades. The main aim of this paper is to review the most frequently explored UPQC models in literature and to observe the impact of these UPQC structural configurations on their performance as well as that of the overall distribution system. Also, this study investigates the properties, applications, and control techniques used by these structural configurations of UPQCs to mitigate power quality issues.

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Section: Open Upqc (Upqc-o)mentioning

confidence: 99%

Unified Power Quality Conditioners Based Different Structural Arrangements: A Comprehensive Review

et al. 2023

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“…The ANF-based SRF controller was used to provide a suitable reference voltage in the existence of substantial voltage distortion. In a multitude of grid conditions, including as voltage sags, voltage swells, imbalances, harmonics, unexpected additions and subtractions of loads, and variations in solar irradiation, the system's performance was assessed to be acceptable [18].…”

Section: Al-rafidain Engineering Journal (Arej)mentioning

confidence: 99%

Optimization of Power Quality Using the Unified Power Quality Conditioner (UPQC) with Unbalanced Loads

Alhatim¹,

Tahir²,

Alsammak³

2022

(AREJ)

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The power quality (PQ) is a major issue for both electrical utilities and their customers. The nonlinear loads cause PQ problems like current harmonics, voltage harmonics, frequency deviation, voltage sag and voltage swell. A unified power quality conditioner (UPQC) is utilized in this research to minimize these PQ problems. The UPQC is made up of two active power filters (APFs), one of which is connected to the line in series and the other in parallel. The Unit Vector Template Generation (UVTG) approach is used to control the series APF, whereas the Synchronous Reference Frame (SRF) technique is used to control the shunt APF. The compensating properties of a series-shunt APFs when the loads become imbalanced have been explored. The system performance has been tested under conditions current harmonics, voltage harmonics, voltage sag, and voltage swell. The voltage harmonics are identified and reparation in a series APF using the UVTG technique, whereas the harmonics and unbalanced currents are identified and reparation in a shunt APF using the SRF method. An of less than 5% is achieved by UPQC in simulations with unbalanced loads. The findings indicate that harmonic currents and supply voltage fluctuations were lessened by UPQC.

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“…where: 𝐿 𝑓 ℎ 𝑗 and 𝐿 𝑔𝑖 (𝐿 𝑓 𝑟 𝑗 −1 ℎ 𝑗 ) represent the Lie derivatives of h with regard to f and g. The global relative degree equals to the total of all relative degrees calculated using (13) [21]. It should be less than or equal to the system's order.…”

Section: Feedback Linearisation Controller (Flc) Synthesismentioning

confidence: 99%

PIL Implementation of Feedback Linearisation-SVM Control of 3-Phase Multifunctional Grid-Tied Solar PV Integrated UPQC

Dahdouh¹,

Mazouz²,

Youcefa³

2022

JESA

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In this paper, an implementation of a feedback linearisation-based on SVM control of a multifunctional unified power quality conditioner (UPQC) combined with a photovoltaic generator (PVG) using STM32F429I-DISC DSP board has been presented. Further, The PVG-UPQC is acting as a universal conditioner for power quality enhancement and renewable energy integration simultaneously with harmonics reduction in both grid voltage and current. Furthermore, the system can also compensate reactive power in presence of nonlinear loads. The presented system is made up of a shunt active power filter which acts as a current harmonics compensator in addition to a series filter that compensates voltage harmonics and fluctuations such as voltage sag/swell. In order to enhancing the PVG-UPQC performances, a nonlinear feedback linearisation control technique combined with SVM controller is applied. The performance of the suggested control scheme is validated by extensive PIL co-simulation technique. The obtained results prove the high performances and reliability of the presented system in the case of nonlinear load variations as well as eliminating voltage and current harmonics. These results accomplish the superiority and effectiveness of those obtained by a compared to a conventional PI controller.

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A New PV-Open-UPQC Configuration for Voltage Sensitive Loads Utilizing Novel Adaptive Controllers

Cited by 43 publications

References 23 publications

Unified Power Quality Conditioners Based Different Structural Arrangements: A Comprehensive Review

Unified Power Quality Conditioners Based Different Structural Arrangements: A Comprehensive Review

Optimization of Power Quality Using the Unified Power Quality Conditioner (UPQC) with Unbalanced Loads

PIL Implementation of Feedback Linearisation-SVM Control of 3-Phase Multifunctional Grid-Tied Solar PV Integrated UPQC

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