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The concept of mass is one of the most fundamental notions in physics, comparable in importance only to those of space and time. But in contrast to the latter, which are the subject of innumerable physical and philosophical studies, the concept of mass has been but rarely investigated. Here Max Jammer, a leading philosopher and historian of physics, provides a concise but comprehensive, coherent, and self-contained study of the concept of mass as it is defined, interpreted, and applied in contemporary physics and as it is critically examined in the modern philosophy of science. With its focus on theories proposed after the mid-1950s, the book is the first of its kind, covering the most recent experimental and theoretical investigations into the nature of mass and its role in modern physics, from the realm of elementary particles to the cosmology of galaxies. The book begins with an analysis of the persistent difficulties of defining inertial mass in a noncircular manner and discusses the related question of whether mass is an observational or a theoretical concept. It then studies the notion of mass in special relativity and the delicate problem of whether the relativistic rest mass is the only legitimate notion of mass and whether it is identical with the classical (Newtonian) mass. This is followed by a critical analysis of the different derivations of the famous mass-energy relationship E = mc2 and its conflicting interpretations. Jammer then devotes a chapter to the distinction between inertial and gravitational mass and to the various versions of the so-called equivalence principle with which Newton initiated his Principia but which also became the starting point of Einstein's general relativity, which supersedes Newtonian physics. The book concludes with a presentation of recently proposed global and local dynamical theories of the origin and nature of mass. Destined to become a much-consulted reference for philosophers and physicists, this book is also written for the nonprofessional general reader interested in the foundations of physics.

Gravitational mass --- Inertial mass --- Mass (Physics) --- Physics --- Philosophy. --- Force and energy --- Gravitation --- Inertia (Mechanics) --- Matter --- Mechanics --- Moments of inertia --- Weight (Physics) --- Properties --- Philosophy --- Physique --- Philosophie --- Physics - Philosophy

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Launch vehicles (Astronautics) --- Inertia (Mechanics) --- Space trajectories. --- Space vehicles --- Astrodynamics --- Space flight --- Trajectories (Mechanics) --- Acceleration (Mechanics) --- Mass (Physics) --- Mechanics --- Space launch vehicles --- Artificial satellites --- Rockets (Aeronautics) --- Trajectories --- Launching

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Dynamic stability basically deals with the interactions between the system's components. Following a disturbance, the system's variables undergo transitions that can induce oscillations in active and reactive power generation, resulting in the occurrence of voltage oscillatory modes and frequency deviation in the system. Depending on the entity of the disturbance, the small- or large-signal stability of the system under consideration can be investigated. The introduction of RES-based generation that does not participate in the network services (i.e., frequency and voltage regulation) due to lack of special controls will undoubtedly affect both the overall frequency and voltage stability. Large-scale transient stability is also a concern not to be overlooked: inverter-based wind and solar generation have different angle/speed swing behaviors with respect to traditional generation due to reduced inertia, different voltage swing behaviors due to different voltage control systems, different power flow patterns, and different displacements of synchronous generation at key locations. Therefore, although power system stability and dynamics have played a very central role in the management and study of electrical power systems thus far, it is also true that the emerging scenario requires new methodologies, technologies, and analyses. In this light, the current Special Issue aims to collect contributions (i.e., research papers and review articles) on power system dynamics and stability from experts in academia and industry.

Technology: general issues --- History of engineering & technology --- power system stability --- inertia estimation --- PMU --- microgrids --- frequency control --- grid-forming --- 100% converter-interfaced generation --- virtual synchronous machine --- forced oscillation --- inverter-based resources (IBRs) --- grid vulnerability analysis --- active power modulation --- virtual inertia --- fast frequency measurement --- fast frequency regulation --- distributed energy resources --- ancillary services --- power hardware-in-the-loop --- legacy resources --- large perturbation angle stability --- small perturbation angle stability --- voltage stability --- synthetic inertia --- demand response --- reactive compensation --- power system restoration --- primary frequency control --- frequency nadir estimation --- low inertia systems --- real-time dynamic simulation --- national power grid --- cyber physical system (CPS) --- co-simulation --- battery energy storage system (BESS) --- energy management system (EMS) --- load modelling --- line modelling --- power system analysis --- transient stability --- small-signal stability --- inverter-based resources --- modular multilevel converters --- primary frequency regulation --- battery energy storage system --- Ornstein–Uhlenbeck stochastic process --- compound poisson stochastic process --- frequency stability --- rotor angle stability --- power system inertia --- converter-interfaced generation --- renewable power generators

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This book provides a thorough understanding of the basic principles, synthesis, analysis, and control of virtual inertia systems. It uses the latest technical tools to mitigate power system stability and control problems under the presence of high distributed generators (DGs) and renewable energy sources (RESs) penetration. This book uses a simple virtual inertia control structure based on the frequency response model, complemented with various control methods and algorithms to achieve an adaptive virtual inertia control respect to the frequency stability and control issues. The chapters capture the important aspects in virtual inertia synthesis and control with the objective of solving the stability and control problems regarding the changes of system inertia caused by the integration of DGs/RESs. Different topics on the synthesis and application of virtual inertia are thoroughly covered with the description and analysis of numerous conventional and modern control methods for enhancing the full spectrum of power system stability and control. Filled with illustrative examples, this book gives the necessary fundamentals and insight into practical aspects. This book stimulates further research and offers practical solutions to real-world power system stability and control problems with respect to the system inertia variation triggered by the integration of RESs/DGs. It will be of use to engineers, academic researchers, and university students interested in power systems dynamics, analysis, stability and control.

Energy systems. --- Power electronics. --- Renewable energy resources. --- Control engineering. --- Energy Systems. --- Power Electronics, Electrical Machines and Networks. --- Renewable and Green Energy. --- Control and Systems Theory. --- Control engineering --- Control equipment --- Control theory --- Engineering instruments --- Automation --- Programmable controllers --- Electronics, Power --- Electric power --- Electronics --- Electric power system stability. --- Inertia (Mechanics) --- Acceleration (Mechanics) --- Mass (Physics) --- Mechanics --- Stability of electric power systems --- Transients (Electricity) --- Electric power systems --- Control

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"This is the third of three books authored by award-winning author Patricia Meredith. Her first book, Catalytic Governance: Leading Change in the Information Age (co-authored by Steve Rosell and Ged Davis) set out a process for leading transformative change, based on the authors' experience with the Canadian Task Force for the Payments System Review. Her second book, Stumbling Giants: Transforming Canada's Banks for the Information Age (winner of the 2018 Donner Prize and co-authored with James Darroch) highlighted how ill-prepared the Canadian banks are for the technology tsunami overtaking financial services. To regain their reputation as vibrant enablers of economic growth, Better Boardrooms proposes that a broad cross-section of Canadians - policy makers and regulators, customers, suppliers, investors and, not least, bankers themselves - work together to create a banking system better suited to the twenty-first century. This new model of governance is based on a collaborative approach which ensures all relevant voices are heard. As boundaries between industries blur and stakeholders gain greater access to information, it is vital that policymakers and regulators, customers and suppliers, investors and managers work together to fix Better Boardrooms."--

Banks and banking --- Corporate governance --- Bank directors --- Bank officers --- Directors of corporations --- Governance, Corporate --- Industrial management --- E-books --- Canada --- Canada (Province) --- Canadae --- Ceanada --- Chanada --- Chanadey --- Dominio del Canad --- Dominion of Canada --- Jianada --- Kʻaenada --- Kanada --- Ḳanadah --- Kanadaja --- Kanadas --- Ḳanade --- Kanado --- Kanak --- Province of Canada --- Republica de Canad --- Yn Chanadey --- Dominio del Canadá --- Kaineḍā --- Kanakā --- Republica de Canadá --- agency costs. --- boards. --- corporate governance. --- disruptive change. --- exit strategies. --- inertia. --- information age. --- sustainability. --- transformative change.