Gotowe bibliografie tematyczne / PQ PROBLEMS

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Gotowa bibliografia na temat „PQ PROBLEMS”

Autor: Grafiati

Data publikacji: 11 września 2023

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "PQ PROBLEMS"

Öhnell, Richard F. "Some PQ problems." Acta Medica Scandinavica 130, S206 (2009): 17–19. http://dx.doi.org/10.1111/j.0954-6820.1948.tb12015.x.

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Goud, B. Srikanth, Ch Rami Reddy, Mohit Bajaj, Ehab E. Elattar, and Salah Kamel. "Power Quality Improvement Using Distributed Power Flow Controller with BWO-Based FOPID Controller." Sustainability 13, no. 20 (2021): 11194. http://dx.doi.org/10.3390/su132011194.

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The integration of hybrid renewable energy sources (HRESs) into the grid is currently being encouraged to meet the increasing demand for electric power and reduce fossil fuels which are causing environmental-related problems. Integration of HRESs into the grid can create some power quality (PQ) problems. To mitigate PQ problems and improve the performance of grid-connected HRESs some flexible devices should be used. This paper presents a distributed power flow controller (DPFC), as a type of flexible device to mitigate some PQ problems, including voltage sag, swell, disruptions, and eliminatin

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Sa'idu, Adamu, Nasiru B. Kadandani, and Bala Boyi Bukata. "A review of convolutional neural networks for classifying power quality problems using Keras API." Indonesian Journal of Electrical Engineering and Computer Science 38, no. 1 (2025): 1. https://doi.org/10.11591/ijeecs.v38.i1.pp1-21.

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<p>The major causes of electric power quality (PQ) problems are mainly due to the increased utilization of nonlinear loads, capacitor and load switching events, transformer energization, and occurrence of assorted faults at the distribution corridor. The problems often introduce harmonics and other waveform anomalies like voltage sags, voltage swells and interruptions along the power systems. A timely classification of such problems is important in understanding their impact on costly power system economy. The paper explores comprehensive review of PQ issues, operational concept of convo

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Adamu, Sa'idu Nasiru B. Kadandani Bala Boyi Bukata. "A review of convolutional neural networks for classifying power quality problems using Keras API." Indonesian Journal of Electrical Engineering and Computer Science 38, no. 1 (2025): 1–21. https://doi.org/10.11591/ijeecs.v38.i1.pp1-21.

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The major causes of electric power quality (PQ) problems are mainly due to the increased utilization of nonlinear loads, capacitor and load switching events, transformer energization, and occurrence of assorted faults at the distribution corridor. The problems often introduce harmonics and other waveform anomalies like voltage sags, voltage swells and interruptions along the power systems. A timely classification of such problems is important in understanding their impact on costly power system economy. The paper explores comprehensive review of PQ issues, operational concept of convolutional

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Arov, D. Z., B. Fritzsche, and B. Kirstein. "Completion problems forj pq-inner functions. II." Integral Equations and Operator Theory 16, no. 4 (1993): 453–95. http://dx.doi.org/10.1007/bf01205289.

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Arov, D. Z., B. Fritzsche, and B. Kirstein. "Completion problems forj pq-inner functions. I." Integral Equations and Operator Theory 16, no. 2 (1993): 155–85. http://dx.doi.org/10.1007/bf01358952.

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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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Bjerring, Jens Christian, and Wolfgang Schwarz. "Granularity Problems." Philosophical Quarterly 67, no. 266 (2016): 22–37. http://dx.doi.org/10.1093/pq/pqw028.

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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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Karthik, N., Shaik Abdul Gafoor, and M. Surya Kalavathi. "Classification of Power Quality Problems by Wavelet Fuzzy Expert System." Advanced Materials Research 463-464 (February 2012): 1573–78. http://dx.doi.org/10.4028/www.scientific.net/amr.463-464.1573.

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Electric power quality, which is a current interest to several power utilities all over the world, is often severely affected by harmonics and transient disturbances. There is no unique model which can assess the power quality problem and to identify and classify them properly. Existing automatic recognition methods need improvement in terms of their versatility, reliability, and accuracy. The FUZZY LOGIC based tools have been applied for the PQ classification. This paper addresses Power quality problem classification by wavelet and fuzzy expert system. Major Key issues and challenges related

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Rozprawy doktorskie na temat "PQ PROBLEMS"

Nintai, Moses Nunyi. "Mapping transference : problems of African literature and translation from French into English." Thesis, University of Warwick, 1993. http://wrap.warwick.ac.uk/36074/.

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Although a number of African literary works have been translated from French into English since the middle of this century, research and debate on their translation has remained scanty, fragmentary, and scattered in diverse learned journals and other short publications. This thesis seeks to broaden the scope of research by mapping out aspects of transference in translation in terms of analysis and transfer strategies that have been, or could be, used. A selection of major translated works have been compared with their originals, to give textual examples indicative of transfer strategies. Curre

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CHITTORA, PRAKASH. "ANALYSIS AND CONTROL OF SHUNT COMPENSATOR IN DISTRIBUTION SYSTEM." Thesis, 2018. http://dspace.dtu.ac.in:8080/jspui/handle/repository/16436.

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Electrical Power distribution systems suffer from power quality (PQ) problems such as poor power factor, load unbalancing, harmonics, distortion in voltage etc. The contribution of non linear loads incorporating power electronics devices viz. switch mode power supply, variable frequency drive (VFD), lighting loads (CFL, LED) etc. in power distribution systems is high. This leads to higher PQ problems into the system such as harmonics injection in voltage and current, high neutral current etc. Since the continued presence of PQ problems deteriorates the quality of power at the end u

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Części książek na temat "PQ PROBLEMS"

Paracha, Zahir Javed, and Akhtar Kalam. "Intelligent Techniques for the Analysis of Power Quality Data in Electrical Power Distribution System." In Handbook of Research on Industrial Informatics and Manufacturing Intelligence. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-0294-6.ch024.

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This chapter is about the intelligent techniques for the analysis of power quality problems in electrical power distribution system. The problems related with electrical power industry are becoming more widespread, complex, and diversified. The behaviour of power distribution systems can be monitored effectively using artificial intelligence techniques and methodologies. There is a need of understanding the power system operations from power utility perspectives and application of computational intelligence methods to solve the problems of the power industry. The real power quality (PQ) data i

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Dekhandji, Fatma Zohra, and Mohamed Cherif Rais. "A Comparative Study of Power Quality Monitoring Using Various Techniques." In Advances in Computer and Electrical Engineering. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4027-5.ch011.

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In recent years, power quality (PQ) has become an increasingly major concern for both electric utilities and the end users. Accordingly, the electrical engineering community has to deal with the analysis, diagnosis, and solution of PQ issues using system approach rather than handling these issues as individual problems. This chapter describes the analysis of PQ using advanced signal processing tools represented in Hilbert and wavelet transforms (HT-WT) and artificial intelligence tools represented in artificial neural network and support vector machine (ANN-SVM) for detection and classificatio

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Satyanrayana, Madgula, Venkataramana Veeramsetty, and Durgam Rajababu. "Power Quality Disturbances in Energy Systems and Optimization Techniques." In Optimizing Automation in Engineering With Energy Systems and Communication Networks. IGI Global Scientific Publishing, 2025. https://doi.org/10.4018/979-8-3373-2737-2.ch007.

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The evolution of electrical power systems from traditional to smart requires numerous elements to be studied and adapted to the new methods. This study provides an outline of smart grid (SG) and its challenges, and PQ refers to the consistency and reliability of electrical power supply. It is a measure of how well the energy supplied to equipment meets its requirements. In this chapter, the author discussed a brief history of power quality improvement (PQI) devices as well as an introduction to the new tools, optimization techniques, difficulties of SG, and the problems associated with PQ. Hum

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Hasan, Mashhood. "Application of Power Electronics in Power Systems." In Handbook of Research on Power and Energy System Optimization. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3935-3.ch010.

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This chapter introduces the custom power device to solve the various kinds of power quality (PQ) problems. It is generally known as flexible AC transmission system (FACTS) and D-FACTS (FACTs used for low voltage and low current rating in AC distribution system). The D-FACTS are various types like dynamic voltage restore (DVR), static compensator in distribution system (D-STATCOM), and unified power quality conditioner (UPQC). The third one is combination of DVR and D-STATCOM, which is known as UPQC. The UPQC can compensate all the PQ problems. Comprehensive knowledge of UPQC is presented here

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Satyanrayana, Madgula, Venkataramana Veeramsetty, and Durgam Rajababu. "Power Quality Issues Classification and Mitigation Techniques in Power System." In Advances in Computational Intelligence and Robotics. IGI Global, 2025. https://doi.org/10.4018/979-8-3373-1220-0.ch009.

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Power system is a vast and complex network designed to generate, transmit and distribute electrical power to consumers effectively and reliably. Due to integration of renewable energy sources (RESs) and increase in non-linear load connections, power quality (PQ) problems are occurring in power system. This review paper presents an extensive analysis for classification of power quality issues (PQIs) using Fourier Transforms (FT), Discrete Fourier Transforms (DFT), Short Time Fourier Transforms (STFT), Fast Fourier Transforms (FFT), and Wavelet Transforms (WT) in modern electrical systems. This

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Zhang, Ying, Chaopeng Li, Na Chen, et al. "Semantic-Based Geospatial Data Integration With Unique Features." In Geospatial Intelligence. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8054-6.ch012.

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Since large amount of geospatial data are produced by various sources, geospatial data integration is difficult because of the shortage of semantics. Despite standardised data format and data access protocols, such as Web Feature Service (WFS), can enable end-users with access to heterogeneous data stored in different formats from various sources, it is still time-consuming and ineffective due to the lack of semantics. To solve this problem, a prototype to implement the geospatial data integration is proposed by addressing the following four problems, i.e., geospatial data retrieving, modeling

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Zhang, Ying, Chaopeng Li, Na Chen, et al. "Semantic-Based Geospatial Data Integration With Unique Features." In Innovations, Developments, and Applications of Semantic Web and Information Systems. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5042-6.ch015.

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Nishad, Dinesh Kumar, Saifullah Khalid, A. N. Tiwari, and Vandna Rani Verma. "Optimized Control Strategies for Shunt Active Power Filters in Aircraft Electrical Systems." In Advances in Mechatronics and Mechanical Engineering. IGI Global, 2024. https://doi.org/10.4018/979-8-3693-6035-4.ch006.

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This study examines airplane electrical power systems shunt active power filter adaptive control techniques. SAPFs can reduce harmonic distortion and enhance power quality in critical systems, but their success depends on the control algorithm. In aviation power networks, standard control methods cannot handle load dynamism and nonlinearity. Actively tweaking controller parameters to provide the best harmonic compensation in dynamically changing situations is a promising adaptive control strategy. This study discusses model reference adaptive control, fuzzy logic control, neural networks, and

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Yang, Xiaoken, Wei Li, and Yongchang Huang. "Fair Game of Quantum Penny Flip." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230561.

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The Quantum Penny Flip is a classic thought experiment in quantum mechanics that demonstrates the weird and counterintuitive nature of the quantum world. To solve the “PQ” problem, we proposed a quantum strategy selection and optimization algorithm, and designed a quantum algorithm for this problem. In terms of practical applications and Case study, this paper reviews the classic two player game – “PQ coin flipping” problem, and shows that when one of the participants adopts quantum strategies, he can defeat his classic opponent and obtain higher returns. By using quantitative methods, the ent

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Zhang, Ying, Chaopeng Li, Na Chen, et al. "Semantic Web and Geospatial Unique Features Based Geospatial Data Integration." In Geospatial Intelligence. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8054-6.ch011.

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Since large amount of geospatial data are produced by various sources and stored in incompatible formats, geospatial data integration is difficult because of the shortage of semantics. Despite standardised data format and data access protocols, such as Web Feature Service (WFS), can enable end-users with access to heterogeneous data stored in different formats from various sources, it is still time-consuming and ineffective due to the lack of semantics. To solve this problem, a prototype to implement the geospatial data integration is proposed by addressing the following four problems, i.e., g

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Streszczenia konferencji na temat "PQ PROBLEMS"

Xiang, Kevin, and Daniel K. Molzahn. "Initializing PV-PQ Switching in Power Flow Problems Using Neural Networks." In 2025 IEEE Power and Energy Conference at Illinois (PECI). IEEE, 2025. https://doi.org/10.1109/peci65443.2025.11063342.

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Maleewong, Songyote, Rungphet Kongnok, Kittiwong Suthamno, Somporn Inchan, Wutthichai Sa-Nga-Ngam, and Prajuab Insawong. "Analysis of PQ Measurement for Finding Electrical Problems: Case Study in Food and Beverage Plant." In 2024 International Conference on Power, Energy and Innovations (ICPEI). IEEE, 2024. http://dx.doi.org/10.1109/icpei61831.2024.10749162.

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Bläsius, Thomas, and Ignaz Rutter. "Simultaneous PQ-Ordering with Applications to Constrained Embedding Problems." In Proceedings of the Twenty-Fourth Annual ACM-SIAM Symposium on Discrete Algorithms. Society for Industrial and Applied Mathematics, 2013. http://dx.doi.org/10.1137/1.9781611973105.74.

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Janson, K., J. Jarvik, L. Kutt, and A. Soosalu. "Improvement of voltage transformers overvoltage problems in MV networks." In 2008 Power Quality and Supply Reliability Conference (PQ). IEEE, 2008. http://dx.doi.org/10.1109/pq.2008.4653769.

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Jalakas, T., H. Molder, and M. Egorov. "EMI reduction problems in power converters with 6.5 kV IGBTs." In 2008 Power Quality and Supply Reliability Conference (PQ). IEEE, 2008. http://dx.doi.org/10.1109/pq.2008.4653766.

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Nicolae, Petre-Marian, Dinut-Lucian Popa, and Marian-Stefan Nicolae. "PQ versus EMC problems at a static excitation system in a power group." In 2014 International Symposium on Electromagnetic Compatibility - EMC EUROPE. IEEE, 2014. http://dx.doi.org/10.1109/emceurope.2014.6930983.

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Korovkin, Nikolay, George Greshnyakov, and Simon Dubitsky. "Multiphysics approach to the boundary problems of power engineering and their application to the analysis of load-carrying capacity of power cable line." In 2014 Electric Power Quality and Supply Reliability Conference (PQ). IEEE, 2014. http://dx.doi.org/10.1109/pq.2014.6866837.

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Bhavani, R., and N. Rathina Prabha. "A hybrid classifier for power quality (PQ) problems using wavelets packet transform (WPT) and artificial neural networks (ANN)." In 2017 IEEE International Conference on Intelligent Techniques in Control, Optimization and Signal Processing (INCOS). IEEE, 2017. http://dx.doi.org/10.1109/itcosp.2017.8303073.

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Nicolae, Petre-Marian, Dinut-Lucian Popa, Marian-Stefan Nicolae, and Ileana-Diana Nicolae. "PQ and EMC problems from the connection at the supplying network induced by an AC-DC-AC converter." In 2014 16th International Conference on Harmonics and Quality of Power (ICHQP). IEEE, 2014. http://dx.doi.org/10.1109/ichqp.2014.6842819.

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Yilmaz, Ilker, Emre Durna, and Muammer Ermis. "Design and implementation of a hybrid system for the mitigation of PQ problems of medium-frequency induction steel-melting furnaces." In 2015 IEEE Industry Applications Society Annual Meeting. IEEE, 2015. http://dx.doi.org/10.1109/ias.2015.7356883.

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