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The modern electric power system has evolved into a huge nonlinear complex system due to the interconnection of thousands of generation and transmission systems. The unparalleled growth of renewable energy resources (RESs) has caused significant concern regarding grid stability and power quality, and it is essential to find ways to control such a massive system for effective operation. The controllability of HVDC and FACTS devices allows for improvement of the dynamic behavior of grids and their flexibility. Research is being carried out at both the system and component levels of modelling, control, and stability. This Special Issue aims to present novel HVDC topologies and operation strategies to prevent abnormal grid conditions.
DC distribution system --- back-to-back HVDC --- virtual impedance --- n/a --- synchronous condenser (SC) --- VSC–HVDC --- embedded HVDC --- Powell’s direct set method --- special protection system --- loss minimization --- grid-interconnection --- multi-infeed HVDC system --- reclosing process --- modular multilevel converter (MMC) --- grid service of HVDC --- angle stability --- impedance-based Nyquist stability criterion --- HVDC operation point --- commutation failure probability --- power control --- AC/DC converter --- VSC HVDC --- frequency droop control --- protection --- high voltage direct current (HVDC) --- quantitative evaluation --- short-circuit current calculation --- active power control strategies --- grounding system --- LCC HVDC --- insulation monitoring device (IMD) --- 3-phase AC/DC PWM converter --- transient stability --- angle spread --- reclosing current limiting resistance (RCLR) --- BTB-HVDC --- full bridge (FB) --- GVIF index --- system loss minimization --- SOGI-FLL --- half bridge (HB) --- fault current limiter (FCL) --- VSC-HVDC --- line commutated converter --- DC distribution --- hybrid HVDC breaker (HCB) --- phase detection --- DC-side oscillation --- Powell's direct set method
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Power quality (PQ) is receiving more and more attention from consumers, distribution system operators, transmission system operators, and other entities related to electrical power systems. As PQ problems have direct implications for business productivity, causing high economic losses, the research and development monitoring technologies and power electronics solutions that ensure the PQ of the power systems are matters of utmost importance. This book is a collection of high quality papers published in the “Power Electronics and Power Quality” Special Issue of the journal Energies. It reflects on the latest investigations and the new trends in this field.
p-q theory --- Pulse Width Modulation (PWM) --- power system protection --- modeling --- comtrade --- space vector modulation (SVM) --- propulsion inverter control system position estimator --- frequency adaption --- wavelet transform --- Simulink --- SGDFT --- indirect matrix converter (IMC) --- hysteresis current control --- switching transients --- input power factor --- high speed maglev --- harmonics --- optimization --- robust control --- protection relay --- variation in voltage --- FBMMC --- MMC --- microinverter --- digital control --- state-space model --- four-leg inverter --- phase-leading capacitor --- histogram --- pulse width modulation --- energy shaping passivity (ESP)-based control --- time multiplier setting (TMS) --- reactive power --- continuous particle swarm optimization (CPSO) --- power control --- microgrid (MG) --- passive method --- Matlab --- voltage control --- switching frequency --- Field Programmable Gate Array (FPGA) --- Omicron CMC 256plus --- distance protection --- low voltage direct-current residential microgrid --- Full-bridge --- series active filter --- static var compensator --- photovoltaic systems --- Total Harmonic Distortion (THD) --- long-stator synchronous motor --- SC --- constant power load --- CSC --- superconducting magnetic energy storage (SMES) --- hybrid power filter --- renewable power generation --- Lagrange-interpolation method --- multilevel converter --- multi-grounded neutral (MGN) system --- temperature --- computer simulation --- thyristor-controlled reactor --- hybrid static var compensator --- static synchronous compensator --- power semiconductor device --- DC short-circuit handling --- cost-effectiveness --- current control --- half-bridge inverters --- Hybrid HVDC --- power inverter --- input filter --- machine learning --- enerlyzer --- matrix converter (MC) --- DC-DC converter --- Shunt Active Power Filter --- neutral integrity detection --- overcurrent relay coordination (OCR) --- power quality --- event detection --- voltage source inverter --- Multiterminal HVDC --- distorted grid conditions --- hybrid active filter --- primary neutral integrity
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