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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 focuses on the applications of Power Electronics Converters in smart grids and renewable energy systems. The topics covered include methods to CO2 emission control, schemes for electric vehicle charging, reliable renewable energy forecasting methods, and various power electronics converters. The converters include the quasi neutral point clamped inverter, MPPT algorithms, the bidirectional DC-DC converter, and the push–pull converter with a fuzzy logic controller.

allied in-situ injection and production (AIIP) --- CO2 huff and puff --- shale oil reservoirs --- enhanced oil recovery --- renewable energy sources --- forecasting --- Weibull distribution --- neural networks --- optimal economic dispatch --- particle swarm optimization --- distribution network (DN) --- doubly-fed induction generator (DFIG) --- feeder automation (FA) --- compatibility --- adaptive control strategy (ACS) --- coordination technology --- air-cooled condenser --- mechanical draft wet-cooling towers --- hot recirculation rate --- complex building environment --- numerical simulation --- Neutral Point Clamped Z-Source Inverter (NPCZSI) --- shoot-through duty ratio --- modulation index --- voltage gain --- power quality --- dynamic modeling --- DC-DC converter --- electric vehicle (EV) --- charge pump capacitor --- fuzzy logic control --- maximum power point tracking --- photovoltaic --- push pull converter --- off-grid voltage source inverter --- medium voltage distribution network --- switch station --- electric vehicle --- DC–DC converter --- reconfiguration --- orderly charging --- grey wolf optimizer --- electrical harmonics --- harmonic estimation --- total harmonic distortion --- battery energy storage system --- third-harmonic current injection --- high efficiency --- active damping

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The deployment of distributed renewable generation and e-mobility systems is creating a demand for improved dynamic performance, flexibility, and resilience in electrical grids. Various energy storages, such as stationary and electric vehicle batteries, together with power electronic interfaces, will play a key role in addressing these requests thanks to their enhanced functionality, fast response times, and configuration flexibility. For the large-scale implementation of this technology, the associated enabling developments are becoming of paramount importance. These include energy management algorithms; optimal sizing and coordinated control strategies of different storage technologies, including e-mobility storage; power electronic converters for interfacing renewables and battery systems, which allow for advanced interactions with the grid; and increase in round-trip efficiencies by means of advanced materials, components, and algorithms. This Special Issue contains the developments that have been published b researchers in the areas of power electronics, energy management and battery storage. A range of potential solutions to the existing barriers is presented, aiming to make the most out of these emerging technologies.

Technology: general issues --- Chemical engineering --- high-gain non-inverting buck-boost converter --- continuous conduction mode (CCM) --- discontinuous conduction mode --- electric vehicles --- stationary battery energy storage system --- battery automated system --- online state estimation --- thermal modeling --- first-order model --- second-order model --- Kalman filtering --- impedance network --- Z-source --- quasi-Z-source --- voltage source inverter --- voltage distortions --- machine learning --- Kalman filter --- thermal modelling --- online prediction --- electromagnetic impedance spectroscopy --- computational cost --- ANPC converter --- EV charging --- multilevel converter --- PWM methods --- SiC MOSFETs --- residential energy storage --- battery energy storage systems --- standards --- grid interfaceconverters --- intellectual property --- bidirectional converters --- AC-DC power converters --- DC-DC powerconverters --- multilevel converters --- partial power converters ---  

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This book reprints articles from the Special Issue "Industrial Applications: New Solutions for the New Age" published online in the open-access journal Machines (ISSN 2075-1702). This book consists of twelve published articles. This special edition belongs to the "Mechatronic and Intelligent Machines" section.

Technology: general issues --- History of engineering & technology --- induction machines --- electrical machines --- vector control --- SVPWM modulation --- frequency inverter --- artificial intelligence --- photovoltaics --- fault detection --- machine learning --- operation and maintenance --- renewable energy --- water-in-crude oil emulsion --- water content --- ultrasound --- propagation velocity --- exoskeletons --- test bench --- industry --- benchmarking --- microgrid model-based systems engineering --- service systems --- goal-oriented requirements engineering --- safety instrumented system --- ventricular assist device Bayesian network --- Petri net --- control strategy --- UAV --- fuzzy --- PID controller --- ROS --- Industry 4.0 --- database --- data models --- big data and analytics --- asset administration shell --- MLOps --- digital twin --- IoT --- prediction --- coordinate metrology --- optical scanning --- noise reduction --- digital manufacturing --- integrated inspection system --- data analytics --- uncertainty --- convolutional neural networks --- warehouse management --- image classification --- ensemble learning --- synthetic data --- depth image --- electrical maintenance --- COVID-19 --- thermography --- fever --- computer vision --- intelligent systems --- induction machines --- electrical machines --- vector control --- SVPWM modulation --- frequency inverter --- artificial intelligence --- photovoltaics --- fault detection --- machine learning --- operation and maintenance --- renewable energy --- water-in-crude oil emulsion --- water content --- ultrasound --- propagation velocity --- exoskeletons --- test bench --- industry --- benchmarking --- microgrid model-based systems engineering --- service systems --- goal-oriented requirements engineering --- safety instrumented system --- ventricular assist device Bayesian network --- Petri net --- control strategy --- UAV --- fuzzy --- PID controller --- ROS --- Industry 4.0 --- database --- data models --- big data and analytics --- asset administration shell --- MLOps --- digital twin --- IoT --- prediction --- coordinate metrology --- optical scanning --- noise reduction --- digital manufacturing --- integrated inspection system --- data analytics --- uncertainty --- convolutional neural networks --- warehouse management --- image classification --- ensemble learning --- synthetic data --- depth image --- electrical maintenance --- COVID-19 --- thermography --- fever --- computer vision --- intelligent systems

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Electrical machines and drives dominate our everyday lives. This is due to their numerous applications in industry, power production, home appliances, and transportation systems such as electric and hybrid electric vehicles, ships, and aircrafts. Their development follows rapid advances in science, engineering, and technology. Researchers around the world are extensively investigating electrical machines and drives because of their reliability, efficiency, performance, and fault-tolerant structure. In particular, there is a focus on the importance of utilizing these new trends in technology for energy saving and reducing greenhouse gas emissions. This Special Issue will provide the platform for researchers to present their recent work on advances in the field of electrical machines and drives, including special machines and their applications; new materials, including the insulation of electrical machines; new trends in diagnostics and condition monitoring; power electronics, control schemes, and algorithms for electrical drives; new topologies; and innovative applications.

Technology: general issues --- History of engineering & technology --- fault size --- inter-laminar fault --- localized losses --- thermographic measurement --- thermal-electric coupling --- axial flux --- demagnetization --- finite element analysis --- permanent magnet --- static eccentricity --- synchronous generator --- power loss minimization --- speed control drive systems --- efficiency measurement --- IPMSM --- additive manufacturing --- three-dimensional printing --- topology optimization --- magnetic materials --- soft magnetic materials --- permanent magnets --- electrical machines --- torque ripple --- 6th harmonic --- induction motor --- AC machine --- PWM inverter --- space phasor modulation --- electric motor --- interior permanent magnet --- reluctance --- MMF-permeance --- winding function --- predictive maintenance --- digital twin --- artificial intelligence --- Industry 4.0 --- data handling --- life cycle --- electric machines --- electromagnetic analysis --- electromagnetic measurements --- core losses --- rotor flux linkage --- modular stator --- oriented steel --- flux-injecting probes --- insulation system --- partial discharges --- capacitive model --- MATLAB/Simulink --- flashover voltage --- epoxy resin --- matrix-converter --- input AC filter design --- PMSM --- predictive control --- electrical drives --- energy efficiency --- energy-saving --- power quality --- current signals --- stray flux signals --- LDA --- automatic fault diagnosis --- broken rotor bars --- soft-starters