Efficiency Improvement For Small Scale Single Phase Grid Connected Inverters
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Efficiency Improvement For Small Scale Single Phase Grid Connected Inverters
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Author : Bo Cao
language : en
Publisher:
Release Date : 2015
Efficiency Improvement For Small Scale Single Phase Grid Connected Inverters written by Bo Cao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Electric inverters categories.
This Ph.D. research focuses on efficiency improvement methods for small-scale single-phase grid-connected inverters. Many attempts applied to increase inverters’ efficiency found in the recent literature can be primarily summarized into two categories: specific topologies and complicated control algorithms, which result in a considerable increase in system cost and control complexity. Meanwhile, the power quality is another important issue for grid-connected inverters to comply with the utility standards. To overcome the drawbacks of the traditional methods and satisfy the utility requirement, a novel control algorithm called “variable switching frequency control (VSFC)” is developed as a major part of this thesis work to increase the overall efficiency of the inverter through selecting optimal switching frequencies of pulse width modulation (PWM) in real time while meeting requirements of grid interconnection standards. According to the inverter loss analysis and current harmonic estimation model presented in this dissertation, the selection of switching frequencies for the grid-connected inverter optimized by the proposed “VSFC” ensures that the inverter operates with maximum efficiencies at different output levels. In addition, as the operational switching frequency applied to the inverter under “VSFC” changes along with variations of work conditions, when the inverter operates at a low or medium switching frequency, the time-delay effect caused by sampling distribution, computation of the control program in DSP and inherent PWM generator update is amplified and can severely degrade the system stability and performance. Thus, a robust current control scheme featuring high adaptability to time delays and system uncertainties and high robustness to parameter mismatch is developed in this research. The proposed scheme is built on a structure of the predictive current controller and developed with an improved time-delay compensation technique which greatly reduces the current tracking errors through a simple weighted filter predictor (WFP) and completely eliminates static voltage errors introduced by uncertain system disturbances through a robust adaptive voltage compensator (AVC). The developed new control methods for grid-connected inverters have been verified through computer simulations and laboratory experiments. The results of simulation and experiment investigation have demonstrated the improvements of these methods in overall inverter efficiency and performance.
Proceedings Of The 2015 Chinese Intelligent Automation Conference
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Author : Zhidong Deng
language : en
Publisher: Springer
Release Date : 2015-04-07
Proceedings Of The 2015 Chinese Intelligent Automation Conference written by Zhidong Deng and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-07 with Technology & Engineering categories.
Proceedings of the 2015 Chinese Intelligent Automation Conference presents selected research papers from the CIAC’15, held in Fuzhou, China. The topics include adaptive control, fuzzy control, neural network based control, knowledge based control, hybrid intelligent control, learning control, evolutionary mechanism based control, multi-sensor integration, failure diagnosis, reconfigurable control, etc. Engineers and researchers from academia, industry and the government can gain valuable insights into interdisciplinary solutions in the field of intelligent automation.
Emerging Converter Topologies And Control For Grid Connected Photovoltaic Systems
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Author : Dmitri Vinnikov
language : en
Publisher: MDPI
Release Date : 2021-02-26
Emerging Converter Topologies And Control For Grid Connected Photovoltaic Systems written by Dmitri Vinnikov and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-26 with Technology & Engineering categories.
Continuous cost reduction of photovoltaic (PV) systems and the rise of power auctions resulted in the establishment of PV power not only as a green energy source but also as a cost-effective solution to the electricity generation market. Various commercial solutions for grid-connected PV systems are available at any power level, ranging from multi-megawatt utility-scale solar farms to sub-kilowatt residential PV installations. Compared to utility-scale systems, the feasibility of small-scale residential PV installations is still limited by existing technologies that have not yet properly address issues like operation in weak grids, opaque and partial shading, etc. New market drivers such as warranty improvement to match the PV module lifespan, operation voltage range extension for application flexibility, and embedded energy storage for load shifting have again put small-scale PV systems in the spotlight. This Special Issue collects the latest developments in the field of power electronic converter topologies, control, design, and optimization for better energy yield, power conversion efficiency, reliability, and longer lifetime of the small-scale PV systems. This Special Issue will serve as a reference and update for academics, researchers, and practicing engineers to inspire new research and developments that pave the way for next-generation PV systems for residential and small commercial applications.
Large Scale Grid Connected Wind And Photovoltaic Farms
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Author : Wei Yao
language : en
Publisher: Springer Nature
Release Date : 2025-05-29
Large Scale Grid Connected Wind And Photovoltaic Farms written by Wei Yao and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-05-29 with Technology & Engineering categories.
This book provides a comprehensive study of the modeling, analysis, and control of wind farms and solar power stations. It starts with dynamic vector modeling methods for wind farms and solar power stations, which enhance modeling efficiency and model accuracy. Building upon this modeling framework, it also covers stability analysis and control methods for wind farms and solar power stations from both steady-state and transient perspectives. Lastly, considering the integration of energy storage into renewable energy power stations, the book explores the analysis and control of wind-energy storage and solar-energy storage hybrid systems. It adopts a holistic approach, establishing a fundamental framework for the topic, progressing from modeling to analysis and then to control, facilitating readers' comprehension. The book is targeted towards undergraduate and graduate students interested in renewable energy power stations, researchers focusing on station-level modeling, analysis, and control of renewable energy, as well as engineers in the field.
International Conference On Electronics And Electrical Engineering
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Author :
language : en
Publisher: DEStech Publications, Inc
Release Date : 2014-07-24
International Conference On Electronics And Electrical Engineering written by and has been published by DEStech Publications, Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-24 with Technology & Engineering categories.
All papers including in this proceedings had undergone the strict peer-review by the experts before they are accepted for publications. This proceeding covers the subjects of analog circuits and digital circuits, assembly and packaging, biomedical circuits, computer architecture, computer engineering, control engineering, electric power system and automation, energy and power systems, instrumentation engineering, signal processing and other related areas. We hope this proceeding will contribute in stimulating debate and research among scholars, researchers and academicians. CEEE 2014 is to provide a forum for researchers, academicians, engineers, and government officials from all over the world to involved in the general areas of Electronics and Electrical Engineering to disseminate their latest research results and exchange views on the future research directions of these fields.This conference provides opportunities for the participants to exchange new ideas and application experiences face to face.
Computational Paradigm Techniques For Enhancing Electric Power Quality
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Author : L. Ashok Kumar
language : en
Publisher: CRC Press
Release Date : 2018-11-15
Computational Paradigm Techniques For Enhancing Electric Power Quality written by L. Ashok Kumar and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-15 with Mathematics categories.
This book focusses on power quality improvement and enhancement techniques with aid of intelligent controllers and experimental results. It covers topics ranging from the fundamentals of power quality indices, mitigation methods, advanced controller design and its step by step approach, simulation of the proposed controllers for real time applications and its corresponding experimental results, performance improvement paradigms and its overall analysis, which helps readers understand power quality from its fundamental to experimental implementations. The book also covers implementation of power quality improvement practices. Key Features Provides solution for the power quality improvement with intelligent techniques Incorporated and Illustrated with simulation and experimental results Discusses renewable energy integration and multiple case studies pertaining to various loads Combines the power quality literature with power electronics based solutions Includes implementation examples, datasets, experimental and simulation procedures
Industrial Applications Of Power Electronics
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Author : Eduardo M. G. Rodrigues
language : en
Publisher: MDPI
Release Date : 2020-12-01
Industrial Applications Of Power Electronics written by Eduardo M. G. Rodrigues and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-01 with Technology & Engineering categories.
In recent years, power electronics have been intensely contributing to the development and evolution of new structures for the processing of energy. They can be used in a wide range of applications ranging from power systems and electrical machines to electric vehicles and robot arm drives. In conjunction with the evolution of microprocessors and advanced control theories, power electronics are playing an increasingly essential role in our society. Thus, in order to cope with the obstacles lying ahead, this book presents a collection of original studies and modeling methods which were developed and published in the field of electrical energy conditioning and control by using circuits and electronic devices, with an emphasis on power applications and industrial control. Researchers have contributed 19 selected and peer-reviewed papers covering a wide range of topics by addressing a wide variety of themes, such as motor drives, AC–DC and DC–DC converters, multilevel converters, varistors, and electromagnetic compatibility, among others. The overall result is a book that represents a cohesive collection of inter-/multidisciplinary works regarding the industrial applications of power electronics.
Recent Advances In Electrical And Information Technologies For Sustainable Development
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Author : Soumia El Hani
language : en
Publisher: Springer
Release Date : 2019-02-08
Recent Advances In Electrical And Information Technologies For Sustainable Development written by Soumia El Hani and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-08 with Technology & Engineering categories.
The book includes the best extended papers which were selected from the 3rd International Conference of Electrical and Information Technologies (ICEIT 2017, Morocco). The book spans two inter-related research domains which shaped modern societies, solved many of their development problems, and contributed to their unprecedented economic growth and social welfare. Selected papers are based on original and high quality research. They were peer reviewed by experts in the field. They are grouped into five parts. Part I deals with Power System and Electronics topics that include Power Electronics & Energy Conversion, Actuators & Micro/Nanotechnology, etc. Part II relates to Control Systems and their applications. Part III concerns the topic of Information Technology that basically includes Smart Grid, Information Security, Cloud Computing Distributed, Big Data, etc. Part IV discusses Telecommunications and Vehicular Technologies topics that include, Green Networking and Communications, Wireless Ad-hoc and Sensor Networks, etc. Part V covers Green Applications and Interdisciplinary topics, that include intelligent and Green Technologies for Transportation Systems, Smart Cities, etc. This book offers a good opportunity for young researchers, novice scholars and whole academic sphere to explore new trends in Electrical and information Technologies.
Proceedings Of The 5th International Conference On Electrical Engineering And Information Technologies For Rail Transportation Eitrt 2021
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Author : Limin Jia
language : en
Publisher: Springer Nature
Release Date : 2022-02-21
Proceedings Of The 5th International Conference On Electrical Engineering And Information Technologies For Rail Transportation Eitrt 2021 written by Limin Jia and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-21 with Technology & Engineering categories.
This book reflects the latest research trends, methods and experimental results in the field of electrical and information technologies for rail transportation, which covers abundant state-of-the-art research theories and ideas. As a vital field of research that is highly relevant to current developments in a number of technological domains, the subjects it covered include intelligent computing, information processing, communication technology, automatic control, etc. The objective of the proceedings is to provide a major interdisciplinary forum for researchers, engineers, academicians and industrial professionals to present the most innovative research and development in the field of rail transportation electrical and information technologies. Engineers and researchers in academia, industry and government will also explore an insightful view of the solutions that combine ideas from multiple disciplines in this field. The volumes serve as an excellent reference work for researchers and graduate students working on rail transportation and electrical and information technologies.
Fundamentals Of Power Electronics
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Author : Kaushal Dhawan
language : en
Publisher: Educohack Press
Release Date : 2025-02-20
Fundamentals Of Power Electronics written by Kaushal Dhawan and has been published by Educohack Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-02-20 with Technology & Engineering categories.
"Fundamentals of Power Electronics" offers a comprehensive exploration of principles, applications, and advancements in power electronics. We provide a valuable resource for students, engineers, and researchers to understand the fundamental concepts and practical aspects of power electronic systems. We cover a wide range of topics, including semiconductor devices, power electronic converters, control techniques, and applications in renewable energy, electric vehicles, and industrial systems. Complex concepts are presented clearly and accessibly, with step-by-step explanations, illustrative examples, and detailed diagrams to aid comprehension. Real-world examples and case studies demonstrate the application of power electronics in various industries, offering insights into design considerations, performance optimization, and troubleshooting techniques. Each chapter is structured to facilitate learning, with learning objectives, summaries, review questions, and problem-solving exercises to reinforce understanding and retention of key concepts. The book incorporates the latest advancements in power electronics technology, including wide bandgap semiconductors, digital control techniques, and emerging applications such as wireless power transfer and Internet of Things (IoT) devices. "Fundamentals of Power Electronics" is an essential guide for mastering power electronics and its applications in today's technological landscape.