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Analysis of energy systems : management, planning and policy
The aim of this book is to bring together a number of selected contributions regarding the analysis of energy systems from several experts globally. The book gives an overview of various issues regarding energy systems, including the analysis of specific local contexts. The book aims to contribute to the current debate related to the evolution of energy systems, including the high penetration of renewables, by discussing in an open way the pros and cons without any pre-constitute point of view.
Book
Automated power management strategy for wind power generation system using pitch angle controller
In this literature, a new automated control strategy has been developed to manage the power supply from the wind power generation system to the load. The main objective of this research work is to develop a fuzzy logic–based pitch angle control and to develop a static transfer switch to make power balance between the wind power generation system and the loads. The power management control system is a progression of logic expressions, designed based on generating power and load power requirement. The outcome of this work targets at an improved power production, active and reactive power compensation and ensures system load constraints. To validate the proposed control strategy, a detailed simulation study is carried out on a 9-MW wind farm simulation simulated in MATLAB/Simulink environment.
Journal Article
Assessment of Technology Advancements for Future Energy Reduction
The wastewater industry is continuously seeking new technologies that will reduce the need for purchased energy and improve its ability to beneficially recover resources.In addition, within energy-positive technologies such as codigestion that have begun to see wide levels of deployment, there are continuing efforts to improve performance.
eBook
Zero Outage : putting ICT quality first in the digital era
This reference book shows how the Zero Outage method leads to more stability in operations, more reliability in projects and, ultimately, to greater customer satisfaction. It explains why clear standards for platforms, processes and personnel are essential for ensuring high ICT quality from end to end and what to look out for during changes -- the most common cause of IT outages. Readers also learn how to resolve errors as quickly as possible and permanently eliminate them, and why industry-wide collaboration will only be possible with a shared standard of quality. This book is a practical introduction to making your ICT world even more failsafe and efficient. The authors share key knowledge in quality management and offer an exclusive insight into their extensively tested and continually enhanced formula for success: the Zero Outage approach. Contents ¨ Operational quality: Zero Outage in change, incident and problem management ¨ The Zero Outage Quality Roadmap: Identifying and proactively managing outage risks ¨ Quality in projects: Pain points, early warning systems, de-escalation ¨ Compliance and security: Mastering legal requirements ¨ From customer perception to customer satisfaction ¨ End-to-end quality can be achieved only in collaboration with partners and suppliers ¨ \"Zero error\" attitude: Entrenching Zero Outage in the corporate culture With a foreword by Dr. Ferri Abolhassan, Director of Telekom Deutschland GmbH. He has been an initiator of Zero Outage. The Authors Stephan Kasulke has been Senior Vice President Quality at T-Systems since 2012. In this role, he manages the worldwide Zero Outage program, which brings improvements to the quality of operations and projects. Jasmin Bensch is Executive Consultant ITIL and Head of Line Office Quality at T-Systems. She has many years of experience in process design and in the optimization of IT outsourcing processes.
Book
Optimizing Power Flow in Photovoltaic‐Hybrid Energy Storage Systems: A PSO and DPSO Approach for PI Controller Tuning
This paper focuses on developing power management strategies for hybrid energy storage systems (HESSs) combining batteries and supercapacitors (SCs) with photovoltaic (PV) systems. The proposed control scheme is based on proportional‐integral (PI) controllers optimized with particle swarm optimization (PSO) and duplicate particle swarm optimization (DPSO) algorithms. The aim is to reduce peak current and the energy management system’s response time while enhancing the system’s stability during the charging and discharging of the HSS under various operating conditions. A comparative study with other tuning methods is presented to demonstrate the effectiveness of the proposed DPSO algorithm in particle duplication, population diversity, and the convergence speed toward the global optimum, enhancing the overall system’s performance. The results demonstrate the feasibility and robustness of the PI − DPSO in providing quick and accurate responses even under variable load, variable solar irradiations, and variable temperature, thus enhancing the dynamic response of the SC and reducing battery stress, resulting in a longer lifespan for the HESS.
Journal Article
An intelligent power management system design of ground penetrating radar
A method for the design of an intelligent power management system for Ground Penetrating Radar (GPR) is presented in this article. For the mobile devices which are dependent on their battery power supply, the power management system is vital. The circuit design adopts a voltage stabilizer chip with low-loss and high-efficiency, greatly improving the equipment’s continuous operating time. The power management system also provides the functions as follows: battery charging and discharging automatically switching; providing stable, intelligent and controllable power supply to subsequent circuits; the power differential mode, common mode filtering and π filtering significantly decrease the power noise and enhance the stability of the devices; the power supply circuit is designed with anti-reverse insertion and overheat protection functions, which can prevent the equipment from working within the fault and abnormal temperature range and reduce the risk of equipment failure.
Journal Article
High Storable Power Density of Triboelectric Nanogenerator within Centimeter Size
Triboelectric nanogenerators (TENGs) possess significant attributes, such as a simple structure, high energy conversion efficiency, and ease of fabrication, rendering them crucial for powering mobile and distributed low-power electronic devices. In this study, a multilayer spring TENG with a cushion layer structure is proposed that enhances the output performance of the basic TENG structure. The fundamental topology of the energy harvesting circuit is chosen based on the electrical performance parameters of the generator and optimizes the selection of each electronic component in the actual circuit. This allows the small-size TENG (2 cm3) to have a high storable power density (5.45 mW m−2). Finally, the fabrication method of the small-size TENG and how to choose suitable electronic components based on the intrinsic electrical parameters of the TENG were summarized. This work provides valuable guidance for designing and fabricating self-powered IoT node devices.
Journal Article