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891 articles for “quality”
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Variation on Water Quality Parameters Including Trace Elements of Brahmani River over a Stretch of Six Districts in Orissa, India
Abstract: Surface water samples from river Brahmani of Orissa, India were collected from 17 locations of 6 districts all along the northwest and southeast of Orissa in three different phases; winter, pre-monsoon and post-monsoon. The collections were done in the month of January, May and September. Samples were tested for each category, viz. physical, chemical and trace elements and their average values were considered for a more approximate comparison. In each …
Published in International Journal of Water Resources Engineering · Vol. 3, Issue 2, 2017 · pp. 53–61 Read article
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Water QUALITY ANALYSIS AND REMEDIAL MEASURE FOR NEAR BY VILLAGE WAGHOLI (DOMKHEL VASTI)
Abstract: This paper presents groundwater quality of nearby village Wagholi (Domkhel Vasti). Four different locations were selected for the study and compared. The parameters studied were pH, Turbidity, Chloride Content, Total Hardness. From overall analysis, it was observed that there was a slight fluctuation in the Turbidity, Chloride Content, Total Hardness among the water samples studied. Comparison of the result of the water sample with IS 10500:2012 showed that the certain …
Published in International Journal of Water Resources Engineering · Vol. 6, Issue 2, 2020 · pp. 23–27 Read article
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Irregular Single-Phase Multilevel Inverter Topology to Enhanced Power Quality
Abstract: A single-phase asymmetrical cascaded multilevel inverter is introduced with the goal of increasing power quality with the reduction of power in insulated-gate bipolar transistor (IGBT) switches. In the present work, the proposed inverter topology is analyzed and generalized with respect to different proposed algorithms for choosing different voltage source values. To prove the advantages of the proposed inverter, a case study involving a 17-level inverter is conducted. The simulation and …
Published in International Journal of Analog Integrated Circuits · Vol. 3, Issue 2, 2017 · pp. 36–47 Read article
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A Review on Grid Interconnection of Renewable Energy Sources at the Distribution Level with Power Quality Improvement Features
Abstract: Renewable energy sources (RES) are as a rule progressively associated in appropriation frameworks using power electronic converters. This review paper displays a novel control procedure for accomplishing greatest advantages from these matrix interfacing inverters at the point when introduced in 3-phase 4-wire dissemination frameworks. The inverter is controlled to perform as a multi-function device by incorporating active power filter functionality. The inverter can thus be utilized as: 1) power converter …
Published in International Journal of Electrical Power System and Technology · Vol. 2, Issue 1, 2016 · pp. 20–24 Read article
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Power quality Enhancement & Mitigating Neutral current in 3P4W Distribution System with DSTATCOM Using TIES
Abstract: Three-Phase four-wire distribution systems face severe power quality issues like poor voltage regulation, high reactive power and harmonics current burden, load unbalancing, excessive neutral current, etc.This creates excessive neutral current each of elementary and harmonic frequency and also the neutral conductor gets full. By integration section shifting into an especially low zero section sequence electric resistance electrical device with single or multiple outputs, substantial reduction of triplen, fifth and seventh …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 1–15 Read article
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Wind Power: Voltage and Power Quality Control System
Abstract: Power quality is a critical issue in a power system. The nonlinear nature of loads causes the majority of the pollution problems in the power system. Wind power, in general, does not contribute to voltage regulation in grids due to the large amount of non-linear equipment, impact, and fluctuating loads. Wind power is also frequently a source of voltage sag or swell. Power systems are frequently regarded as insufficient because …
Published in International Journal of Electrical Power System and Technology · Vol. 7, Issue 2, 2021 · pp. 21–26 Read article
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Evaluation of Two Distinct AI Control Methods to Enhance Power Quality
Abstract: Artificial Intelligence techniques are the latest techniques utilized for the improvement of electrical performance. This study examines and contrasts various artificial harmonic reduction methods for source current. Artificial Intelligence may include Fuzzy logic and Artificial Neural Network. The goal of the modeling is to improve the power quality through the application of principles that cannot be expressed as "true" or "false" but rather as "partially true" called as Fuzzy logic …
Published in International Journal of Electrical Power System and Technology · Vol. 8, Issue 2, 2022 · pp. 15–26 Read article
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Comparative Studies of Power Quality Issues in Offices and Residential Buildings
Abstract: This paper presents the results of measurements made in an office building and residential building, both located in the same site for a period of one week. It is estimated that more than 30% of the power currently being drawn from the utility companies is now consumed by sensitive non- linear load, and still increasing in both industrial and residential areas. Non- linear load is steadily increasing in residential areas …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 1, Issue 1, 2015 · pp. 29–40 Read article
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Performance Comparison of SRF-PLL and STF Control Algorithm for Power Quality Improvement
Abstract: Electrical power distribution system power quality improvement is a major issue. Controlling grid connected converters (GCCs) in adverse grid conditions is also a challenge. This condition cannot be ignored due to rapid growth in the use of inverter-interfaced renewable power generation sources and non-linear loads. The SRF (Synchronous reference frame)- PLL (Phase-locked loop) and extended self-tuning filter are simulated and compared under distributed power generation for mitigation of harmonics, reactive …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 7, Issue 2, 2021 · pp. 34–45 Read article
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PV Penetrations in Conventional Power System and Generation of Harmonic and Power Quality Issues: A Review
Abstract: The degree of PV penetrations is a critical metric that assesses how well solar energy is integrated into the grid. It offers many advantages, such as lowering greenhouse gas emissions and enhancing grid reliability. It does, however, also bring some difficulties that call for careful preparation and financial outlays. It's obvious that solar energy will be crucial to our shift to a cleaner, more sustainable energy future given the rate …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 9, Issue 2, 2023 · pp. 12–19 Read article
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Review on Computer-Aided Manufacturing, Just in Time Production, Total and Quality Management
Abstract: Performance measurement systems have been varying according to the high-level competitive features of modern manufacturing environments. In this study, the production and management techniques such as Computer Aided Manufacturing(CAM), Just in Time(JIT) and Total Quality Management(TQM) that have been largely discussed and kept in the forefront will tried to be explicated. In this frame, by using the data collected from 122 manufacturing businesses among the first 500 huge businesses in …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 1, 2017 · pp. 31–35 Read article
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Optimization of Effects of FMEA to Enhance Quality and Efficiency of CNC Machines in Valve Manufacturing Industry
Abstract: Failure mode and effects analysis (FMEA) is a systematic method for identification and preventing problems of products and process before its occurrence. FMEA focus on preventing defects, enhancing safety and increasing customer satisfaction. The FMEA needs to define parameters such as Severity (S), Occurrence (O), Detection (D) and Risk Priority Number (RPN). The conventional FMEA and grey relational analysis approaches are applied in this work. The rankings of the failure …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 2, 2017 · pp. 11–20 Read article
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Prevalence and Socio-Cultural Determinants of Uterine Prolapse Among Women and Its Impact on Quality of Life
Abstract: In India, every five minutes, a woman dies of complications related to pregnancy and child birth. Among these, utero-vaginal prolapse (UP) is the most common clinical condition, especially amongst parous women. In India, almost one quarter, out of the total gynaecological admissions, suffer from UP. The general objectives of this study were to determine the prevalence and socio-cultural determinants of Uterine Prolapse at Kalinga Hospital, Bhubaneswar, during a three month …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 1, Issue 2, 2014 · pp. 14–25 Read article
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How Heavy Metal Minerals Affect the Quality of Soil and Groundwater
Abstract: Heavy metal minerals polluting soil and groundwater is becoming a major environmental issue because these components are not biodegradable and last a long time. This study examines the degree to which heavy metals, including lead (Pb), cadmium (Cd), arsenic (As), mercury (Hg), and chromium (Cr), affect the chemical and physical characteristics of soil and groundwater in regions impacted by industrial, agricultural, and mining operations. Soil and water samples were obtained …
Published in International Journal of Environmental Chemistry · Vol. 11, Issue 2, 2025 · pp. 9–20 Read article
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Exploring Anxiety, Fatigue, and Sleep Patterns Among Cardiothoracic Vascular Surgery Patients at Pt. BD Sharma University of Health Sciences, Rohtak: A Cross-sectional Study
Abstract: Valvular heart disease (VHD) is a significant health issue globally, particularly in developing countries like India where rheumatic heart disease is a major cause of cardiac morbidity and mortality. This study focused on evaluating pre-operative anxiety, fatigue, and sleep quality in 100 patients undergoing heart valve repair or replacement at a tertiary center in India. Using a descriptive cross-sectional design, the study employed the GAD-7 scale, Fatigue Assessment Scale, and …
Published in International Journal of Cardiovascular Nursing · Vol. 10, Issue 1, 2024 · pp. 25–48 Read article
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Concrete Quality Evaluation Using Non-destructive Test
Abstract: This paper analyses the non-destructive testing (NDT) measurements used to assess on site strength and condition of reinforced concrete. To ascertain the residual strength of concrete, extent of corrosion, it is imperative to assess the health of the RC structural members of a building using State-of-the-art non-destructive testing (NDT). NDT of concrete structure is carried out in order to assess the health of structure without impairment of its desirable properties. …
Published in International Journal of Concrete Technology · Vol. 4, Issue 1, 2018 · pp. 1–4 Read article
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Power Quality Intensification in Power Distribution System by Fast Acting DSTATCOM with Y/∆ and T-Connected Transformer
Abstract: Mostly all domestic and industrial installation uses 3- section 4-wire distribution system, however just about appliances square measure single phased which can produce unbalance within the offer system conjointly typical masses like TV, personal computers, movable chargers, Air conditioners etc. uses power electronic converters and attracts non-sinusoidal currents, these 2 things could cause high neutral current and build harmonics within the offer system. it should cause wiring failures, rising of …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 34–47 Read article
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Application of Wireless Sensor Network in Water Quality Monitoring
Abstract: One of the most important resources for human well-being and a major factor in a nation's socioeconomic development is water. In addition to being necessary for human survival and that of all other living things, water is also essential for industrialization and agriculture. The total amount of water on Earth is constant and sufficient to supply all of civilization's needs, yet global supplies of drinkable water are running out quickly. …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 9, Issue 2, 2023 · pp. 48–24 Read article
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Multifunctional Shunt Hybrid Power Filter and Thyristor Controlled Reactor for Distributed Generation Integration and Power Quality Improvement
Abstract: This project presents a multifunctional PV fed SHPF-TCR compensator for achieving maximum benefits from these grid-interfacing inverters. The inverter is controlled to perform as a multi-function device by incorporating active power filter functionality. An inverter can be used as power converter to insert the power created from RES to the grid, and shunt APF to reimburse load current harmonics. A SHPF-TCR compensator of a TCR and a SHPF has been …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 3, Issue 2, 2017 · pp. 13–25 Read article
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Menopause: Lifestyle Modifications to Improve Quality of Life—An Overview
Abstract: Menopause is the period that symbols the termination of menstrual series and it is identified later when individual has gone 12 months without a menstruation. Menopause approximately could occur by 40 or 50 years of age, but the mean age is 51 years in the USA. A woman's change from being fertile to infertile during menopause is a bio-psychosocial event. it is termed as the enduring stoppage of menstruation and …
Published in International Journal of Geriatric Nursing · Vol. 5, Issue 2, 2022 · pp. 29–33 Read article