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Artykuły w czasopismach na temat „PQ Control”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Srinivas, P. Siva, M. Rambabu, and Dr G. V. Nagesh Kumar. "PQ Control Based Grid Connected DG Systems." International Journal of Engineering Research 4, no. 10 (2015): 523–26. http://dx.doi.org/10.17950/ijer/v4s10/1002.

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Zhang, WX, XY Xiao, CG Peng, WL Chen, S. Xie, and DW Wang. "Sodium tanshinone IIA sulfate protects myocardium against paraquat-induced toxicity through activating the Nrf2 signaling pathway in rats." Human & Experimental Toxicology 38, no. 2 (2018): 247–54. http://dx.doi.org/10.1177/0960327118792051.

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Objective: To investigate the therapeutic effect and mechanism of sodium tanshinone IIA sulfate (STS) on paraquat (PQ)-induced myocardial injuries in a rat model. Methods: Healthy adult Sprague Dawley rats were randomly divided into normal control, PQ, and PQ + STS groups. PQ group was given a single intragastric administration of PQ (80 mg/kg). PQ + STS group was intraperitoneally injected with STS (1 ml/kg) at 30 min following PQ exposure. Rats in control and PQ groups were injected with equal amount of saline. After 12, 24, 48, and 72 h, rats were killed, and the apoptosis of myocardial cel

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Chang, Xiuli, Chunfeng Shao, Qing Wu, Qiangen Wu, Min Huang, and Zhijun Zhou. "Pyrrolidine Dithiocarbamate Attenuates Paraquat-Induced Lung Injury in Rats." Journal of Biomedicine and Biotechnology 2009 (2009): 1–8. http://dx.doi.org/10.1155/2009/619487.

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Paraquat (PQ) has been demonstrated that the main target organ for the toxicity is the lung. This study aimed to investigate the potential protective effect of PDTC on the PQ-induced pulmonary damage. Fifty-four rats were divided into control, PQ-treated and PQ+PDTC-treated groups. Rats in the PQ group were administrated 40 mg/kg PQ by gastric gavage, and PDTC group with 40 mg/kg PQ followed by injection of 120 mg/kg PDTC (IP). On the days 3, 7, 14 and 21 after treatments, the activities of GSH-Px, SOD, MDA level and the content of HYP were measured. TGF-β1 mRNA and protein were assayed by RT-

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4

Lawlor, Susan M., та Nora M. O'Brien. "Modulation of paraquat toxicity by β-carotene at low oxygen partial pressure in chicken embryo fibroblasts". British Journal of Nutrition 77, № 1 (1997): 133–40. http://dx.doi.org/10.1079/bjn19970015.

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The efficiency with which β-carotene protects against oxidative stress in chicken embryo fibrobiasts (CEF) at low O2 partial pressures was assessed. Primary cultures of CEF were grown at low O2 partial pressures and oxidatively stressed by exposure to paraquat (PQ). Activities of the antioxidant enzymes superoxide dismutase (EC 1.15.1.1; SOD), catalase (EC 1.11.1.6; CAT) and glutathione peroxidase (EC 1.11.1.9; GSH-Px) were measured as indices of oxidative stress. CEF incubated with 0·25–1·0 mM—PQ for 18 h exhibited increased SOD and CAT activities compared with non-PQ-treated control cells (P

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Wang, Xiulian, and Junhe Zhang. "Research on an integrated control strategy for grid-connected and off-grid optical storage microgrids." Journal of Physics: Conference Series 2741, no. 1 (2024): 012050. http://dx.doi.org/10.1088/1742-6596/2741/1/012050.

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Abstract In order to mitigate the volatility and randomness caused by the switching processes in a photovoltaic storage microgrid, and to enhance its stability, in this paper, the utilization of the PQ+PQ control strategy is proposed for grid-connected operation and the V/f+PQ integrated control strategy is proposed for off-grid operation. Through this approach, a smooth transition from the PQ control of the master inverter to the V/f control is achieved, enabling seamless switching between grid-connected and off-grid modes in the photovoltaic storage microgrid. The proposed integrated control

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6

Dhanakodi.V, N.Balachandar, and M.Gayathri. "Power Quality Monitoring and Feedback Control for Hybrid Renewal Energy System using Meta Heuristic Optimization Technique." International Journal of Scientific Methods in Intelligence Engineering Networks 01, no. 04 (2023): 33–44. http://dx.doi.org/10.58599/ijsmien.2023.1404.

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Solar and wind energy are becoming more popular. Hybrid Renewable Energy System (HRES) is a fast-growing power industry segment. Power quality (PQ) issues have increased as renewable energy has increased in the electricity supply. This study will help electrical engineers identify power quality (PQ) disruptions from hybrid renewable power sources like solar and wind. The investigation will predict powergeneration-induced PQ problems. A self-contained Hybrid Renewable Energy System (HRES) is the project’s main goal. We will collect and analyses energy system data using Grey Wolf Optimization to

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7

Lawlor, Susan M., та Nora M. O'brien. "Modulation of oxidative stress by β-carotene in chicken embryo fibroblasts". British Journal of Nutrition 73, № 6 (1995): 841–50. http://dx.doi.org/10.1079/bjn19950089.

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The ability of β-carotene to protect against oxidative stressin vitrowas assessed. Primary cultures of chicken embryo fibroblasts (CEF) were oxidatively stressed by exposure to paraquat (PQ). Activities of the antioxidant enzymes superoxide dismutase (SOD;EC1.15.1.1), catalase (CAT;EC1.11.1.6) and glutathione peroxidase (GSH-Px;EC1.11.1.9) were measured as indices of oxidative stress. CEF incubated with 0·25 mM-PQ for 18 h exhibited increased SOD and CAT activities and decreased GSH-Px activity compared with the control (P< 0·001). Incorporation of added β-carotene (0·1 μM) into 0·25 mM-PQ-

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8

Jiang, Shulun, Jian Yang, and Di-an Fang. "Transcriptome changes of Takifugu obscurus liver after acute exposure to the oxygenated-PAH 9,10-phenanthrenequione." Physiological Genomics 52, no. 8 (2020): 305–13. http://dx.doi.org/10.1152/physiolgenomics.00022.2020.

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Contamination with polycyclic aromatic hydrocarbons (PAHs) causes noticeable ecological problems in aquatic ecosystems. 9,10-Phenanthrenequione (9,10-PQ) is an oxidized PAH and is highly toxic to aquatic animals. However, the effects of 9,10-PQ on the molecular metabolism of fish remain largely unknown. In this study, Takifugu obscurus juveniles were acutely exposed to 44.30 µg/L 9,10-PQ for 3 days. The transcriptome profile changes in their livers were compared between the 9,10-PQ treatment group and the control using T. rubripes as the reference genome. The results identified 22,414 genes in

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9

Huang, M., D. Lou, H.-H. Li, Q. Cai, Y.-P. Wang та H.-F. Yang. "Pyrrolidine dithiocarbamate attenuates paraquat-induced acute pulmonary poisoning in vivo via transforming growth factor β1 and nuclear factor κB pathway interaction". Human & Experimental Toxicology 35, № 12 (2016): 1312–18. http://dx.doi.org/10.1177/0960327116630351.

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Paraquat (PQ) exposure could cause pulmonary fibrosis. The aim of this study was to investigate the protective effect of pyrrolidine dithiocarbamate (PDTC) in an acute PQ poison model. One hundred and forty-four Sprague Dawley rats were equally divided into three experimental groups: control group, PQ group, and PQ + PDTC group. At days 1, 3, 7, 14, 28, and 56 of treatment, the serum levels of transforming growth factor β1 (TGF-β1), the levels of hydroxyproline, the protein expression of nuclear factor κB (NF-κB) pathway, and histopathological change in lung tissue were assessed. The survival

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10

Ma, Jianshe, Fa Sun, Bingbao Chen, et al. "Tissue metabolic changes for effects of pirfenidone in rats of acute paraquat poisoning by GC-MS." Toxicology and Industrial Health 33, no. 12 (2017): 887–900. http://dx.doi.org/10.1177/0748233717731959.

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We developed a metabolomic method to evaluate the effect of pirfenidone on rats with acute paraquat (PQ) poisoning, through the analysis of various tissues (lung, liver, kidney, and heart), by gas chromatography–mass spectrometry (GC-MS). Thirty-eight rats were randomly divided into a control group, an acute PQ (20 mg kg−1) poisoning group, a pirfenidone (20 mg kg−1) treatment group, and a pirfenidone (40 mg kg−1) treatment group. Partial least squares-discriminate analysis (PLS-DA) revealed metabolic alterations in rat tissue samples from the two pirfenidone treatment groups after acute PQ po

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11

Shariati, Saeedeh, Mohammad Javad Khodayar, Aliasghar Hemmati, Mehdi Goudarzi, Milad Kiani, and Anahita Rezaei. "The Ameliorative Effects of Allopurinol on Paraquat-Induced Pulmonary Fibrosis in Rats." Pharmaceutical Sciences 25, no. 1 (2019): 11–16. http://dx.doi.org/10.15171/ps.2019.2.

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Background: Pulmonary ﬁbrosis is described as a chronic idiopathic inﬂammatory disease of the interstitial lungs. It is associated with a potentially fatal prognosis, and patients show insignificant response to treatment. To treat paraquat (PQ)-induced pulmonary injury and fibrosis, multiple approaches have been used. We aimed to determine the effects of allopurinol (Allo), a xanthine oxidase inhibitor, on PQ-induced pulmonary fibrosis in rats. Methods: A total of 30 female Sprague-Dawley rats were divided randomly into five groups (200±20 g). Group 1 (control) and group 2 (PQ group) were intr

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12

Balazadeh, Fatemeh, Rasoul Shahrooz, Ali Shalizar Jalali, Hamid Karimi, and Elham Zadeh Hashem. "Histomorphometrical and Stereological Study of the Lungs in Neonatal Rats Born to Paraquat-poisoned Pregnant Rats: Protective Effect of Coenzyme Q10." Iranian Journal of Toxicology 14, no. 2 (2020): 71–80. http://dx.doi.org/10.32598/ijt.14.2.581.

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Background: Paraquat (PQ), an herbicide, is a very poisonous compound for both humans and animals. This study was conducted to examine the protective effect of the Coenzyme Q10 (CoQ10) in newborn rats from pregnant rats pre-treated with PQ. Methods: The experiments were conducted on 25 rats, divided in five groups randomly and equally: 1. Control Group received normal saline (0.1 ml/day); 2. PQ Group received PQ only (5 mg/kg/day); 3. PQ+CoQ10 Group received PQ (5 mg/kg) and CoQ10 (10 mg/kg) daily; 4. PQ+olive oil Group received PQ (5 mg/kg) and olive oil (10 mg/kg) daily; 5. Olive oil Group r

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13

Zhao, Hui, Han Wang, Hong Jun Wang, and You Jun Yue. "Grid-Connection Control of PV Power Generation in Micro-Grid." Applied Mechanics and Materials 391 (September 2013): 311–14. http://dx.doi.org/10.4028/www.scientific.net/amm.391.311.

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In the analysis of PV cells mathematical model based on the use of the admittance incremental method with constant voltage integrated maximum power point tracking (MPPT) method. In the micro-grid, PV power generation using the constant power (PQ) control, to achieve active and reactive power control. Matlab / Simulink simulation environment model of PV cells and an integrated method for maximum power point tracking, simulation results show that the synthesis method faster track to the maximum power point of the PV installations. Established PQ control model of micro-grid which based on the SVP

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14

Micheal Olatunji Avoeseh, Musa Alabi Okunola, and Akinosho Aalimah Akorede. "Nigella sativa oil mitigate paraquat-induced neurobehavioural, oxidative and histological alterations in the cerebellum of adult male wistar rat." International Medical Science Research Journal 4, no. 9 (2024): 882–91. http://dx.doi.org/10.51594/imsrj.v4i9.1597.

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Over the past few decades, several cases of poisoning and death resulting from environmental exposure to the herbicide, paraquat (PQ), has been reported. However, nigella sativa oil, with several antioxidants and anti-inflammatory properties present a significant tool against PQ-induced toxicity. Thus, the study aim was to assess the possible mitigative effect of nigella sativa oil administration on paraquat-induced neurotoxicity in the cerebellum. Twenty-eight (28) adult Wistar rats were randomly divided into four groups of seven (7) rats each. Group I (control) received 0.3ml of normal salin

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15

Xiangdong Jian, Ming Li, Yijing Zhang, et al. "Role of growth factors in acute lung injury induced by paraquat in a rat model." Human & Experimental Toxicology 30, no. 6 (2010): 460–69. http://dx.doi.org/10.1177/0960327110372648.

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Paraquat (PQ) can cause acute lung injury in humans and experimental animals. However, the role of growth factors in the progression of injury has not been clearly established. We developed an animal model of PQ-induced lung injury using Wistar rats. One milliliter of PQ solution (30, 60, and 120 mg/kg) was applied through the lavage, while the same amount of vehicle was applied to control rats. Based on histopathology, the lungs of some animals exposed to PQ showed acute fulmination, resulting in death, while others showed a more protracted injury, resulting in typical pulmonary fibrosis at 2

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16

Bandahalli Mallappa, Prasad Kumar, Herminio Martínez-García, and Guillermo Velasco-Quesada. "Power Quality Improvements in Grid-Connected PV System Using Hybrid Technology." Renewable Energy and Power Quality Journal 19 (September 2021): 316–20. http://dx.doi.org/10.24084/repqj19.284.

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In recent trends, photo-voltaic (PV) is mostly build upon competitive technological development of power quality (PQ) issues. In this article, a hybrid control strategy is implemented with multi-level inverter (MLI) to improve PQ features. As a result, the combination of these controllers with suitable level of MLI could improve the PQ features in a significant way.

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17

Waintrub, M. L., L. S. Terada, C. J. Beehler, B. O. Anderson, J. A. Leff, and J. E. Repine. "Xanthine oxidase is increased and contributes to paraquat-induced acute lung injury." Journal of Applied Physiology 68, no. 4 (1990): 1755–57. http://dx.doi.org/10.1152/jappl.1990.68.4.1755.

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Two lines of investigation suggested that xanthine oxidase- (XO) derived O2 metabolites contribute to paraquat- (PQ) induced acute lung injury. First, PQ treatment increased lung XO activity and decreased lung xanthine dehydrogenase activity. Second, lung albumin uptake increased compared with control values in untreated XO-replete but not tungsten-treated XO-depleted lungs in rats treated with PQ.

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Heidary Dartoti, Hamid, Farzin Firozian, Sara Soleimani Asl, and Akram Ranjbar. "Protective Role of Ce Nanoparticles Against the Hepatotoxicity Induced by Exposure to Paraquat." Avicenna Journal of Medical Biochemistry 6, no. 2 (2018): 37–43. http://dx.doi.org/10.15171/ajmb.2018.09.

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Objectives: The present study aimed to investigate the antioxidant activity of cerium oxide nanoparticles (CeNPs) against paraquat (PQ)-induced liver injury in rats. Methods: Thirty-two male rats were divided into four 8-member groups and treated intraperitoneally with PQ and/or CeNPs for 14 days. Group 1 received PQ (5 mg/kg/d), group 2 received CeNPs (15, 30, and 60 mg/kg/d), group 3 received a combination of PQ (5 mg/kg/d) and CeNPs (15, 30, and 60 mg/kg/d), and group 4 (control group) received saline solution. Serum samples along with liver tissue samples were collected from all the rats.

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Xiao, Yuxin, Rui Huang, Nan Wang, et al. "Ellagic Acid Alleviates Oxidative Stress by Mediating Nrf2 Signaling Pathways and Protects against Paraquat-Induced Intestinal Injury in Piglets." Antioxidants 11, no. 2 (2022): 252. http://dx.doi.org/10.3390/antiox11020252.

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The gastrointestinal tract is a key source of superoxide so as to be one of the most vulnerable to oxidative stress damage. Ellagic acid (EA), a polyphenol displays widely biological activities owing to its strong antioxidant properties. Here, we investigated the protective benefits of EA on oxidative stress and intestinal barrier injury in paraquet (PQ)-challenged piglets. A total of 40 weaned piglets were randomly divided into five groups: Control, PQ, 0.005% EA-PQ, 0.01% EA-PQ, and 0.02% EA-PQ. Piglets were intraperitoneally injected with 4 mg/kg (BW) PQ or saline on d-18, and sacrificed on

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Wickham, Kristina S., Paul C. Baresel, Sean R. Marcsisin, et al. "Single-Dose Primaquine in a Preclinical Model of Glucose-6-Phosphate Dehydrogenase Deficiency: Implications for Use in Malaria Transmission-Blocking Programs." Antimicrobial Agents and Chemotherapy 60, no. 10 (2016): 5906–13. http://dx.doi.org/10.1128/aac.00600-16.

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ABSTRACTIndividuals with glucose-6-phosphate dehydrogenase (G6PD) deficiency (G6PDd) are at risk for developing hemolytic anemia when given the antimalarial drug primaquine (PQ). The WHO Evidence Review Group released a report suggesting that mass administration of a single dose of PQ at 0.25 mg of base/kg of body weight (mpk) (mouse equivalent of 3.125 mpk) could potentially reduce malaria transmission based on its gametocytocidal activity and could be safely administered to G6PD-deficient individuals, but there are limited safety data available confirming the optimum single dose of PQ. A sin

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Das, Soumya Ranjan, Prakash Kumar Ray, Arun Kumar Sahoo, et al. "A Comprehensive Survey on Different Control Strategies and Applications of Active Power Filters for Power Quality Improvement." Energies 14, no. 15 (2021): 4589. http://dx.doi.org/10.3390/en14154589.

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Power quality (PQ) has become an important topic in today’s power system scenario. PQ issues are raised not only in normal three-phase systems but also with the incorporation of different distributed generations (DGs), including renewable energy sources, storage systems, and other systems like diesel generators, fuel cells, etc. The prevalence of these issues comes from the non-linear features and rapid changing of power electronics devices, such as switch-mode converters for adjustable speed drives and diode or thyristor rectifiers. The wide use of these fast switching devices in the utility

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都, 健刚. "A DG Inverter Model Based on PQ Control." Journal of Electrical Engineering 05, no. 02 (2017): 167–72. http://dx.doi.org/10.12677/jee.2017.52020.

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Habib, Md Ahsan, Md Sadik Hassan Arik, and Md Ali Mostakim. "Ai-Driven Power Quality Analytics and Improvement of Grid Connected Solar Energy Systems." Journal of Artificial Intelligence General science (JAIGS) ISSN:3006-4023 7, no. 01 (2025): 213–28. https://doi.org/10.60087/jaigs.v7i01.321.

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Grid-connected solar photovoltaic (PV) systems introduce significant power quality (PQ) challenges, including voltage fluctuations, harmonics, and frequency instability. Traditional PQ mitigation techniques struggle with real-time adaptation, leading to inefficiencies. This paper proposes an AI-driven PQ analytics framework using machine learning (ML) and deep learning (DL) for real-time detection, classification, and mitigation of PQ disturbances. Signal processing techniques like Fourier Transform (FT) and Wavelet Transform (WT) are employed for feature extraction. A MATLAB/Simulink-based si

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24

Shao, Yiming, Yifan Zhao, Tingting Zhu, et al. "Paraquat Preferentially Induces Apoptosis of Late Stage Effector Lymphocyte and Impairs Memory Immune Response in Mice." International Journal of Environmental Research and Public Health 16, no. 11 (2019): 2060. http://dx.doi.org/10.3390/ijerph16112060.

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Paraquat (PQ) is a toxic non-selective herbicide. To date, the effect of PQ on memory immune response is still unknown. We investigated the impact of PQ on memory immune response. Adult C57BL/6 mice were subcutaneously injected with 2 mg/kg PQ, 20 mg/kg PQ or vehicle control every three days for two weeks. A single injection of keyhole limpet hemocyanin (KLH) at day four after the initial PQ treatment was used to induce a primary immune response; a second KLH challenge was performed at three months post the first KLH immunization to induce a secondary immune response. In steady state, treatmen

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Kumar, Mahender, M. A. Uqaili, Z. A. Memon, and Bhagwan Das. "Mathematical Modeling of THD Mitigation Using HAPF for UPS System with Experimental Analysis via Hybrid Interface of Optical USB and Power Quality Meter." Mathematical Problems in Engineering 2021 (September 29, 2021): 1–15. http://dx.doi.org/10.1155/2021/3981287.

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This paper discusses a novel analysis scheme based on the hybrid interface of Optical USB and Power Quality Meter for measuring Total Harmonic Distortion (THD) that exists in the Uninterruptable Power Supply (UPS) system and connected load. The designed hybrid interface experimentally analyzes the power quality and harmonics of the Uninterrupted Power Supply (UPS) system, and mitigation is proposed with the proposed Single-Phase Hybrid Active Power Filter (HAPF) based on instantaneous Power Theory (PQ) with hysteresis control technique and synchronous frame reference (DQ) with hysteresis contr

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El-Boghdady, Noha A., Nourtan F. Abdeltawab, and Mohammed M. Nooh. "Resveratrol and Montelukast Alleviate Paraquat-Induced Hepatic Injury in Mice: Modulation of Oxidative Stress, Inflammation, and Apoptosis." Oxidative Medicine and Cellular Longevity 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/9396425.

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Paraquat (PQ) is one of the most used herbicide worldwide. Its cytotoxicity is attributed to reactive radical generation. Resveratrol (Res) and montelukast (MK) have anti-inflammatory and antioxidant properties. The protective effects of Res, MK, or their combination against PQ-induced acute liver injury have not been investigated before. Therefore, we explored the protective potential of Res and/or MK against PQ hepatic toxicity in a mouse model. Mice were randomly assigned to five groups: group I served as the normal control and group II received a single dose of PQ (50 mg/kg, i.p.). Groups

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Dong, Min-na, Yun Xiao, Yun-fei Li, et al. "Amelioration of paraquat-induced pulmonary fibrosis in mice by regulating miR-140-5p expression with the fibrogenic inhibitor Xuebijing." International Journal of Immunopathology and Pharmacology 34 (January 2020): 205873842092391. http://dx.doi.org/10.1177/2058738420923911.

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Intravenous Xuebijing (XBJ) therapy suppresses paraquat (PQ)-induced pulmonary fibrosis. However, the mechanism underlying this suppression remains unknown. This work aimed to analyze the miR-140-5p-induced effects of XBJ injection on PQ-induced pulmonary fibrosis in mice. The mice were arbitrarily assigned to four groups. The model group was administered with PQ only. The PQ treatment group was administered with PQ and XBJ. The control group was administered with saline only. The control treatment group was administered with XBJ only. The miR-140-5p and miR-140-5p knockout animal models were

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Aldosary, Abdallah. "Power Quality Conditioners-Based Fractional-Order PID Controllers Using Hybrid Jellyfish Search and Particle Swarm Algorithm for Power Quality Enhancement." Fractal and Fractional 8, no. 3 (2024): 140. http://dx.doi.org/10.3390/fractalfract8030140.

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Power quality (PQ) is a major issue in today’s electrical system that affects both utilities and customers. The proliferation of power electronics devices, smart grid technology, and renewable energy sources (RES) have all contributed to the emergence of PQ concerns in today’s power system. The Unified Power Quality Conditioner (UPQC) is a versatile tool that can be used to fix distribution grid issues caused by irregular voltage, current, or frequency. Several tuning parameters, however, restrict the effectiveness of the Fractional-Order Proportional Integral Derivative (FOPID) control techni

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Shahram, Ramezani, and Ali Azimi Mohammad. "New PQ Controller for Interconnected Microgrids." International Journal of Engineering and Management Research 10, no. 1 (2020): 79–83. https://doi.org/10.31033/ijemr.10.1.14.

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Distributed Generation Sources are becoming an inseparable part of modern electrical grids. Finding the control strategies which can help them to be as much as possibly beneficial for the grid has been a big concern among the researchers. In this work, a PQ controller for connecting A DC source simulates the effect of a Distributed Generation to the grid based on the decoupling of Active and Reactive powers has been proposed. The Simulation results which have been in the MATLAB/Simulink environment show the effectiveness of this control technique for injecting the defined value of active and r

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Yu, Jielun, Lichun Zhang, Xiaoshuang Li, et al. "Comparison of Biochemical Parameters between Mouse Model and Human after Paraquat Poisoning." BioMed Research International 2022 (January 28, 2022): 1–14. http://dx.doi.org/10.1155/2022/1254824.

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Background. This study was designed to investigate differences in biochemical parameters between mouse and humans after paraquat (PQ) poisoning and develop a suitable animal model for studying organ damage after PQ poisoning. The prognostic factors of PQ-poisoned patients were further analyzed. Methods. Thirty C57BL/6J mice were randomly divided into five groups (control, sham, and 3 PQ doses), and the mouse model was established by intragastric administration of PQ. Physiological indexes such as the body weight, mental state, and mortality rate were observed. Biochemical parameters were analy

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Felehgari, Hamed, Nejat Khiripour, Fereshteh Mehri, Sara Soleimani Asl, Davoud Ahmadimoghaddam, and Akram Ranjbar. "Investigating Preventive Effect of Vitamin D and N-acetylcysteine Against Kidney Injury in Rats Versus the Promotive Effect of Paraquat." Avicenna Journal of Medical Biochemistry 10, no. 2 (2022): 114–19. http://dx.doi.org/10.34172/ajmb.2022.2375.

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Background: Paraquat (PQ) is one of the most important herbicides used in agriculture. Objectives: This study was conducted to compare the preventive effect of vitamin D (Vit D) and N-acetylcysteine (NAC) against kidney injury in rats versus the promotive effect of PQ. Methods: In this study, rats were divided into six groups. The control group (group 1) received normal saline, Vit D group (group 2) received intraperitoneal (IP) injections of+Vit D (2 μg/kg), NAC group (group 3) received NAC (6.25 mg/kg, IP), PQ group (group 4) received PQ (5 mg/kg/d, IP), PQ+Vit D group (group 5) received PQ+

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Zhao, Li Ping, Yi Yong Yao, and Da Min Xu. "Inter-Enterprise Quality Information Dynamic Tracking Based on Process Quality BOM." Applied Mechanics and Materials 37-38 (November 2010): 589–92. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.589.

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In the modern manufacturing mode, product is often manufactured by multi-enterprise, so effective and dynamic tracking for process quality information is the precondition to realize product quality control in distributed enterprises. Aiming at these demands, a dynamic tracking method for inter-enterprise quality information based on process quality BOM (PQ-BOM) was put forward in this paper. PQ-BOM was employed as the carrier and organization form of process quality information. With the formal definition of PQ-BOM, structure information and process information included in PQ-BOM were mapped t

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Kovalchuk, Nataliia, Joseph L. Jilek, Laura S. Van Winkle, Nathan J. Cherrington, and Xinxin Ding. "Role of Lung P450 Oxidoreductase in Paraquat-Induced Collagen Deposition in the Lung." Antioxidants 11, no. 2 (2022): 219. http://dx.doi.org/10.3390/antiox11020219.

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Paraquat (PQ) is an agrochemical known to cause pulmonary fibrosis. PQ-induced collagen deposition in the lung is thought to require enzymatic formation of PQ radicals, but the specific enzymes responsible for this bioactivation event in vivo have not been identified. We tested the hypothesis that lung P450 oxidoreductase (POR or CPR) is important in PQ-induced lung fibrosis in mice. A lung-Cpr-null mouse model was utilized, which undergoes doxycycline-induced, Cre recombinase-mediated deletion of the Por gene specifically in airway Club cells and alveolar type 2 cells in the lung. The lungs o

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Zhao, Lubing. "Simulation Analysis of Simulink-based Inverter Controller in Micro-grids." Highlights in Science, Engineering and Technology 119 (December 11, 2024): 162–74. https://doi.org/10.54097/b6z2vp09.

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As environmental awareness increases and new energy technologies develop, microgrid systems have garnered significant attention as an important method for operating new energy sources. This trend reflects the growing emphasis on environmental protection. In the process of achieving both independent operation and grid-connected operation, the internal microgrid needs to incorporate an inverter control system equipped with various control methods. The inverter control system is responsible for regulating the inner loop parameters, and the coupling of these parameters will directly impact system

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Bhende, C. N., A. Kalam, and S. G. Malla. "Mitigation of Power Quality Problems in Grid-Interactive Distributed Generation System." International Journal of Emerging Electric Power Systems 17, no. 2 (2016): 165–72. http://dx.doi.org/10.1515/ijeeps-2015-0163.

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Abstract Having an inter-tie between low/medium voltage grid and distributed generation (DG), both exposes to power quality (PQ) problems created by each other. This paper addresses various PQ problems arise due to integration of DG with grid. The major PQ problems are due to unbalanced and non-linear load connected at DG, unbalanced voltage variations on transmission line and unbalanced grid voltages which severely affect the performance of the system. To mitigate the above mentioned PQ problems, a novel integrated control of distribution static shunt compensator (DSTATCOM) is presented in th

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Singer, Michael J., and Bob G. Witmer. "On Selecting the Right Yardstick." Presence: Teleoperators and Virtual Environments 8, no. 5 (1999): 566–73. http://dx.doi.org/10.1162/105474699566486.

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In an article that discussed both the conceptual aspects of presence and the practical considerations of measuring the concept (Witmer & Singer, 1998), we argued that both involvement and immersion are necessary for experiencing presence. The article also presented two questionnaires we have developed, an Immersive Tendencies Questionnaire (ITQ) and a Presence Questionnaire (PQ). Our analyses showed that they are internally consistent with high reliability, there is a weak but consistent positive relation between presence and performance, the ITQ predicts presence as measured by the PQ, an

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Cai, Long, Dongxu Ming, Wenning Chen, et al. "Silybin Alleviated Hepatic Injury by Regulating Redox Balance, Inflammatory Response, and Mitochondrial Function in Weaned Piglets under Paraquat-Induced Oxidative Stress." Antioxidants 13, no. 3 (2024): 324. http://dx.doi.org/10.3390/antiox13030324.

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Silybin (Si) is the main element of silymarin isolated from the seeds of Silybum marianum L. Gaernt., which has superior antioxidant properties. However, the protective role of Si in maintaining liver health under oxidative stress remains ambiguous. This study aimed to investigate the underlying mechanism of the beneficial effect of dietary Si against hepatic oxidative injury induced by paraquat (PQ) in weaned piglets. A total of 24 piglets were randomly allocated to four treatments with six replicates per treatment and 1 piglet per replicate: the control group; Si group; PQ group; and Si + PQ

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Ba, Rui-Qiong, Xi-Jun Fan, Hui-Juan Fan, et al. "Interrelationship between PQ exposure and Parkinson disease: A systematic review and meta-analysis." Medicine 104, no. 24 (2025): e42796. https://doi.org/10.1097/md.0000000000042796.

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Background: Some studies have conflicting findings, suggesting that PQ has no association with the progression of Parkinson disease (PD). This meta-analysis aimed to investigate the impact of PQ on the incidence of PD. Methods: A computerized search was conducted in Pubmed, Embase, Cochrane, Web of Science, and Scopus for literature on factors influencing DEACMP from their inception to October 2023. Statistical analyses and meta-analyses were performed using STATA 17.0 and RevMan 5.4 software, respectively. Results: A total of 181 articles were retrieved. 14 articles were included, comprising

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Sivakumar, M., P. Kannan, and S. Chenthur Pandian. "Mitigation of PQ Issues Using an Enhanced UPQC-Based ANN Approach." Journal of Circuits, Systems and Computers 28, no. 03 (2019): 1950046. http://dx.doi.org/10.1142/s0218126619500464.

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Nowadays, the power quality (PQ)-related issues have become more prominent in power electronic devices. For compensating PQ disturbances various types of power devices are used. The unified power quality conditioner (UPQC) is one of the power electronic devices that is used for compensating the PQ. To reduce the PQ disturbances, the performance of series and shunt active power filters (APFs) must be improved. In this paper, an enhanced controller is proposed for improving the performance of series and shunt APFs and compensating the PQ. The enhanced technique used is the combination of artific

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Zhang, Zhiqiang, Qing Nian, Gang Chen, Shuqing Cui, Yuzhen Han, and Jinying Zhang. "Klotho Alleviates Lung Injury Caused by Paraquat via Suppressing ROS/P38 MAPK-Regulated Inflammatory Responses and Apoptosis." Oxidative Medicine and Cellular Longevity 2020 (May 14, 2020): 1–13. http://dx.doi.org/10.1155/2020/1854206.

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Acute lung injury (ALI) induced by paraquat (PQ) progresses rapidly with high mortality; however, there is no effective treatment, and the specific mechanism is not well understood. The antiaging protein klotho (KL) has multiple functions and exerts significant influences on various pathophysiological processes. This work evaluated the impact of KL on PQ-induced ALI and investigated its underlying mechanisms. As for in vivo research, C57BL/6 mice were treated with PQ (30 mg/kg) intraperitoneal (IP) injection to create a toxicity model of ALI (PQ group). The mice were divided into control group

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Adamiec, Małgorzata, Maria Drath, and Grzegorz Jackowski. "Redox state of plastoquinone pool regulates expression of Arabidopsis thaliana genes in response to elevated irradiance." Acta Biochimica Polonica 55, no. 1 (2008): 161–74. http://dx.doi.org/10.18388/abp.2008_3176.

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DNA microarray technology was applied to gain insight into the role of the redox state of PQ pool as a retrograde factor mediating differential expression of Arabidopsis nuclear genes during the acclimation to changing irradiance. DNA microarray chips containing probes corresponding to 24,000 Arabidopsis nuclear genes were screened with cRNA samples prepared from leaves of plants exposed for 5 h to low irradiance (control) vs. medium, high and excessive irradiances (MI, HI and EI, respectively). Six hundred and sixty three genes were differentially expressed as a result of an exposure to at le

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Tang, Suk Peng, Sirajudeen Kuttulebbai Nainamohamed Salam, Hasnan Jaafar, Siew Hua Gan, Mustapha Muzaimi, and Siti Amrah Sulaiman. "Tualang Honey Protects the Rat Midbrain and Lung against Repeated Paraquat Exposure." Oxidative Medicine and Cellular Longevity 2017 (2017): 1–12. http://dx.doi.org/10.1155/2017/4605782.

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Paraquat (PQ) is a dopaminergic neurotoxin and a well-known pneumotoxicant that exerts its toxic effect via oxidative stress-mediated cellular injuries. This study investigated the protective effects of Tualang honey against PQ-induced toxicity in the midbrain and lungs of rats. The rats were orally treated with distilled water (2 mL/kg/day), Tualang honey (1.0 g/kg/day), or ubiquinol (0.2 g/kg/day) throughout the experimental period. Two weeks after the respective treatments, the rats were injected intraperitoneally with saline (1 mL/kg/week) or PQ (10 mg/kg/week) once per week for four conse

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Chan, Bsh, VA Lazzaro, JP Seale, and GG Duggin. "Characterisation and uptake of paraquat by rat renal proximal tubular cells in primary culture." Human & Experimental Toxicology 15, no. 12 (1996): 949–56. http://dx.doi.org/10.1177/096032719601501202.

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1 Uptake of the herbicide paraquat (PQ), by rat proximal tubular cells (PTC) in primary culture grown on a collagen coated support was investigated. 2 The uptake of PQ by PTC was predominantly from the basolateral side. The basolateral uptake of PQ was saturable with time and increasing concentrations, energy dependent and could be inhibited by certain organic cations. Using Michaelis Menten kinetics, the apparent Km was 778 ± 241 μM and Vmax was 0.97 ± 0.24 pmol/μg protein/15 min for the basolateral uptake of PQ. Cimetidine (5.7 ± 0.4 pg/μg protein/ 30 min, P < 0.001) was the most potent i

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Vanitshavit, Veerakit, Nisanart Charoenlap, Ratiboot Sallabhan, et al. "Acquired resistance of Stenotrophomonas maltophilia to antimicrobials induced by herbicide paraquat dichloride." PLOS ONE 19, no. 8 (2024): e0309525. http://dx.doi.org/10.1371/journal.pone.0309525.

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Stenotrophomonas maltophilia, a ubiquitous environmental bacterium, is an important cause of nosocomial infections. Although banned in some countries, paraquat (PQ) is commonly used to control weeds. In this study, we investigated the effects of increasing concentrations of PQ on S. maltophilia and its antimicrobial resistance. The sequential exposure of S. maltophilia K279a to increasing concentrations of PQ induces the formation of strains with increased resistance to PQ. Among the 400 PQ-resistant isolates tested, 70 clones were resistant to 16 μg/ml ciprofloxacin (CIP), and around 18% of t

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LeninBabu, Chilakapati, and Tenepalli GowriManohar. "An Improved Power Quality in a Renewable Energy-based Microgrid System Using Adaptive Hybrid UPQC Control Strategy." International Journal of Experimental Research and Review 36 (December 30, 2023): 217–31. http://dx.doi.org/10.52756/ijerr.2023.v36.022.

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Due to its ability to integrate renewable energy, improve energy efficiency, and fortify the power system's resilience, microgrids are widely used as regional energy systems. But these advantages do have certain drawbacks in terms of control and Power Quality (PQ). In order to guarantee the proper operation of equipment that is connected and the system's general health, PQ is crucial in microgrids. For microgrids to operate successfully, governing stratagems in concurrence with front-line power electronics devices bid a firm context to knob PQ challenges like Voltage Sag and Swell, Source/Grid

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Chilakapati, Lenin Babu, and T. Gowri Manohar. "Control Strategies for Enhancing Power Quality with Unified Power Quality Conditioner in a Solar-PV Integrated Utility System." International Journal of Experimental Research and Review 35 (November 30, 2023): 1–15. http://dx.doi.org/10.52756/ijerr.2023.v35spl.001.

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The electrical utility systems are well-liked as local energy systems because of their capacity to incorporate renewable energy, enhance energy effectiveness and strengthen the resilience of the power system. These benefits do, however, come with specific complications regarding control and power quality (PQ). PQ within a utility system is paramount to ensure the appropriate operation of connected devices and the well-being of the overall system. As a result, both voltage quality & current quality are significant. Control strategies in conjunction with cutting-edge power electronics device

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Balwani, Mayurkumar Rajkumar, Karthik Thirumala, Vivek Mohan, Siqi Bu, and Mini Shaji Thomas. "Development of a Smart Meter for Power Quality-Based Tariff Implementation in a Smart Grid." Energies 14, no. 19 (2021): 6171. http://dx.doi.org/10.3390/en14196171.

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Regarding the modern power smart grid, distribution consumers and prosumers are highly concerned about power quality (PQ). In fact, they would prefer to pay higher prices for a reliable and good quality power supply. Unfortunately, utility operators still aim for reliability alone, ignoring the quality of supply voltage and current. There are no clear guidelines for monitoring, penalizing, or implementing PQ-based tariff schemes in LV distribution systems. In addition, the implementation of a PQ-based tariff requires a real-time measuring mechanism at the user end, which is very expensive and

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Liu, Shulin, Kan Liu, Qiang Sun, et al. "Consumption of Hydrogen Water Reduces Paraquat-Induced Acute Lung Injury in Rats." Journal of Biomedicine and Biotechnology 2011 (2011): 1–7. http://dx.doi.org/10.1155/2011/305086.

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Exposure to paraquat leads to acute lung injury and oxidative stress is widely accepted as a contributor to paraquat-induced acute lung injury. Recent studies have reported that consumption of water with dissolved molecular hydrogen to a saturated level (hydrogen water) prevents oxidative stress-induced diseases. Here, we investigated whether consumption of saturated hydrogen saline protects rats against paraquat-induced acute lung injury. Adult male Sprague-Dawley (SD) rats were randomly divided into four groups: Control group; hydrogen water-only group (HW group); paraquat-only group (PQ gro

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Rajini, V. "Investigations on Hysteresis-Based Current Control Techniques for Grid Connected Photovoltaic Systems." Journal of Engineering Research [TJER] 12, no. 1 (2014): 32. http://dx.doi.org/10.24200/tjer.vol12iss1pp32-43.

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This paper focuses on delivering an effective performance qualification (PQ) control strategy for a grid connected photovoltaic (PV) system. A PV-based distributed generation system with a capacity of 10 kilo volt amps (kVA) was connected to the utility side of a power grid operating at 415 V. The power grid was modelled with a capacity of 100 kVA, 11 kV, and 100 km transmission line length. The PQ control strategy was implemented with three hysteresis-based current control techniques. To overcome the drawbacks of conventional hysteresis-control techniques, adaptive tuning of the hysteresis ba

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Alhaiz, Hussain A., Ahmed S. Alsafran, and Ali H. Almarhoon. "Single-Phase Microgrid Power Quality Enhancement Strategies: A Comprehensive Review." Energies 16, no. 14 (2023): 5576. http://dx.doi.org/10.3390/en16145576.

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Renewable distributed generators (RDGs) have made inroads in recent power systems owing to the environmental effect of traditional generators and their high consumption of electric energy. The widespread use of RDGs has been a recent trend in numerous nations. The integration complexity and the intermittent nature of RDGs can undermine the security and stability of microgrids (µGs). In order to guarantee the effectiveness, dependability, and quality of the electricity delivered, appropriate control methods are necessary. RDGs are being included in single-phase microgrids (1Ø-µGs) to generate e

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