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This book covers several research items related to LLC resonant converters, which were published in a Special Issue of Energies on the subject area of "Advances in High-Efficiency LLC Resonant converter". It focuses on emerging power electronic topologies related to the LLC resonant converter, and its design methodology and control algorithms. Topics of interest include LLC resonant topologies, resonant tank design methodology for high efficiency, power loss analysis in LLC resonant converters, high-frequency magnetics for resonant converters, wide band-gap devices applied to LLC resonant converter, and advanced control algorithm for LLC resonant converter.

resonant converter --- bidirectional power conversion --- zero voltage switching --- asymmetric pulse width modulation --- LLC resonant converter --- integrated transformer --- adjustable leakage inductance --- LED driver --- aircraft power conversion --- LLC resonant converters --- high efficiency --- ZVS auxiliary circuit --- dual output converter --- pulse frequency modulation (PFM) --- asymmetric pulse width modulation (APWM) --- control --- current mode control --- voltage control --- transfer function --- power converter --- soft-switching converter --- battery charging --- PV micro-inverter --- LLC converter --- high switching frequency --- transformer loss --- center-tapped transformer --- flux walking --- flux-balance control loop --- magnetizing current estimation --- LLC Converter --- Duty Control --- Extended Describing Function --- Small Signal Modeling --- solid-state-transformer (SST) --- isolation dc-dc converter --- series-connected devices

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This work describes the influence of catalytic converter heating strategies on the emissions during heating operation, as well as during the subsequent load demand at different engine start temperatures. A novel strategy is presented, that provides heating of the combustion chamber, without decreasing the catalyst converter heating significantly. The studies were carried out on a gasoline engine. Emissions were examined in detail. In addition, the flame propagation is evaluated experimentally.

Katalysatorheizen --- cold start --- combustion process --- Flammenausbreitung --- particulate emission --- Partikelemissionen --- Brennverfahren --- Kaltstart --- flame Development --- catalytic converter heating

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The Special Issue "Industrial and Technological Applications of Power Electronics Systems" focuses on: - new strategies of control for electric machines, including sensorless control and fault diagnosis; - existing and emerging industrial applications of GaN and SiC-based converters; - modern methods for electromagnetic compatibility. The book covers topics such as control systems, fault diagnosis, converters, inverters, and electromagnetic interference in power electronics systems. The Special Issue includes 19 scientific papers by industry experts and worldwide professors in the area of electrical engineering.

active disturbance rejection controller (ADRC) --- direct torque control (DTC) --- full-order observer --- sensorless --- six-phase induction motor (6PIM) --- stator resistance estimator --- average air gap length --- dc-dc power converters --- gapped magnetic core --- magnetic permeability --- magnetizing inductance --- medium frequency transformer --- systems control --- electromagnetic compatibility --- conducted interference --- DC-DC power converters --- FPGA --- random modulation --- bidirectional converter --- multilevel converter --- resonant converter --- SiC MOSFET --- high-voltage converter --- switched capacitor converter --- extended Kalman filter (EKF) --- permanent magnet synchronous generator (PMSG) --- fault diagnosis (FD) --- stator inter-turn short circuit --- conducted electromagnetic interference --- aggregated electromagnetic interference --- power electronic interfaces --- frequency beat --- modular --- voltage source inverter (VSI) --- multipulse --- 12-pulse --- pulse amplitude modulation (PAM) --- pulse width modulation (PWM) --- three-level --- coupled reactors --- wireless power transfer --- inductive power transmission --- AC-DC power converters --- T-type inverter --- GaN-transistors --- electromagnetic coupling --- EV battery --- electric vehicles --- fast battery charging --- local transport --- DC micro grid --- drive voltage frequency converter --- big power DC/DC converter --- interior permanent magnet motors --- maximum torque per ampere --- sensorless control --- adaptive control --- resonant inverter --- dielectric barrier discharge --- nonthermal plasma --- treatment of plastic surface --- decontamination of organic loose products --- silicon carbide --- dual active bridge dc-dc converter --- power electronic traction transformer --- 3 kV DC railway traction --- electric multiple unit --- DC-DC converter --- high-voltage-gain converter --- switched-capacitor converter --- inductiveless converter --- series active power filters --- multipulse converters --- power conditioning --- power quality --- power distribution --- reverse power flow --- compensation for nonactive current --- voltage regulation --- UPQC --- boost converters --- DC–DC power converters --- GaN switch --- resonant power conversion --- zero-current switching (ZCS) --- zero-voltage switching (ZVS) --- grasshopper optimization algorithm (GOA) --- particle swarm optimization (PSO) --- selective harmonics elimination PWM (SHEPWM) --- square-type matrix converters --- pulse width modulation --- multiphase systems --- matrix converter --- multipulse voltage converter --- nearest voltage modulation --- pulse width regulation --- low-switching modulation technique --- multipulse matrix converter with coupled reactors

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Renewable energies are becoming a must to counteract the consequences of the global warming. More efficient devices and better control strategies are required in the generation, transport, and conversion of electricity. Energy is processed by power converters that are currently the key building blocks in modern power distribution systems. The associated electrical architecture is based on buses for energy distribution and uses a great number of converters for interfacing both input and output energy. This book shows that sliding-mode control is contributing to improve the performances of power converters by means of accurate theoretical analyses that result in efficient implementations. The sliding-mode control of power converters for renewable energy applications offers a panoramic view of the most recent uses of this regulation technique in practical cases. By presenting examples that range from dozens of kilowatts to only a few watts, the book covers control solutions for AC–DC and DC–AC generation, power factor correction, multilevel converters, constant-power load supply, wind energy systems, efficient lighting, digital control implementation, multiphase converters, and energy harvesting. The selected examples developed by recognized specialists are illustrated by means of detailed simulations and experiments to help the reader to understand the theoretical approach in each case considered in the book.

output regulation --- state feedback --- sliding mode control --- DC-DC power converter --- DC-DC converters --- boost converter --- constant power load (CPL) --- fixed switching frequency --- sliding-mode control --- inrush current mitigation --- Induction Electrodeless Fluorescent Lamps (IEFL) --- High-Intensity Discharge Lamps (HID) --- loss-free resistor (LFR) --- two-loop digital control --- buck converter --- input-output linearization --- PWM --- sliding mode --- DC-DC converter --- multiphase converter --- disturbance observer --- electric vehicles --- power-hardware-in-the-loop --- renewable energy systems --- fast dynamic response --- wind energy conversion system --- series-series-compensated wireless power transfer system --- energy harvesting --- isolated SEPIC converter --- high power factor rectifier --- isolated PFC rectifier --- bridgeless rectifier --- DC distribution bus --- microinverter --- sliding mode control (SMC), self-oscillating system --- two cascaded-boosts converters --- decision making --- design concept --- doubly-fed induction generator --- grid-side converter --- harmonic distortion --- multi-objective optimisation --- second-order sliding-mode control --- tuning --- unbalanced voltage --- wind power generation --- harvesting --- inductive transducer --- loss free resistor --- dc-to-dc converter --- DFIG --- adaptive-gain second-order sliding mode --- direct power control --- balanced and unbalanced grid voltage --- Lyapunov-based filter design --- constant power load --- Sliding Mode controlled power module --- zero dynamics stability --- modular multilevel converter --- Lyapunov stability --- dual boost inverter --- step-up inverter --- grid connection --- sliding mode control (SMC) --- power converter --- continuous signal generator --- equivalent control --- AC-DC power converter --- wind energy --- control --- dual-stator winding induction generator --- second order sliding mode

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In this book, 20 papers focused on different fields of power electronics are gathered. Approximately half of the papers are focused on different control issues and techniques, ranging from the computer-aided design of digital compensators to more specific approaches such as fuzzy or sliding control techniques. The rest of the papers are focused on the design of novel topologies. The fields in which these controls and topologies are applied are varied: MMCs, photovoltaic systems, supercapacitors and traction systems, LEDs, wireless power transfer, etc.

vehicle-grid coupling system --- low frequency oscillation --- traction line-side converter (LSC) --- model-based predictive current control (MBPCC) --- dSPACE semi-physical verification --- switching converters --- sliding-mode control --- current-mode control --- hysteresis control --- PV-connected inverter --- MPPT --- SPPT --- adaptive hysteresis current control --- hybrid storage systems --- power electronic converters --- half-bridge current-source converters --- supercapacitors --- cascaded H-bridge (CHB) --- dc-link voltage balance control --- multilevel converter --- power control --- single-phase system --- pulsating output current --- light emitting diode (LED) --- peak to average ratio (PTAR) --- power factor correction --- harmonic injection --- modelling --- feedback loop control --- three-port converter --- linear active disturbance rejection control --- virtual damping --- linear extended state observer --- power converters --- digital control --- design space --- frequency domain --- switched affine systems --- hybrid systems --- fuzzy identification --- fuzzy modeling --- two degrees of freedom --- fuzzy model predictive control --- PLC --- bus converter --- DC bus --- LED driver --- buck converter --- inversion formulae --- phase margin --- gain crossover frequency --- wireless power transfer --- inductive power transfer --- Pareto optimality --- coil design --- magnetics design --- GaN-based inverter and converter --- zeta inverter --- active clamp --- synchronous rectification --- power efficiency --- circulating current --- fuzzy --- proportional integral --- proportional resonant --- MMC --- DC–DC converter --- experimental verification --- Inductor–Diode --- Inductor–Capacitor–Diode --- nonisolated --- step-down --- two-stage buck converter --- voltage regulation --- power electronic converter --- AC/AC converter --- matrix converter --- reliability --- DPWM --- photovoltaic power system --- differential flatness --- nonlinear control --- networked power converters --- PFC converters --- reactive power resources --- supervisory controller --- HIL Testbed --- binary particle swarm optimization (BPSO) --- nonsingular terminal sliding mode control (NTSMC) --- global best solution --- total harmonic distortion (THD) --- DC–AC converter --- decoupling --- reduced order generalized integrator (ROGI) --- optimal gain --- distributed power generation system (DPGS) --- grid-connected voltage source converters (GC-VSCs)