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This book attempts to eliminate the existing “imbalance” between the theory of electric machines and the theory of electromagnetic fields. In order to develop viable methods for engineering calculations, the author applies field equations. The resulting, new methods consist of traditional calculation elements represented in a refined form (circuit-loops, parameters, equivalent circuits and voltage equations). These calculation methods should be effective both for researchers and engineering practitioners, especially, in relation to the modern electric machines, such as powerful turbine generators, large high-speed synchronous motors, etc. Provides conditions for the generalization of the field research results; Expands capabilities of engineering calculation methods; Improves upon the theory of engineering calculations, under the conditions of the Maxwell’s equations.

Electronics --- Electrical engineering --- vermogenselektronica --- elektrische circuits --- Power electronics. --- Electric machinery. --- Electronic circuits. --- Power Electronics. --- Electrical Machines. --- Electronic Circuits and Systems.

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This book reports on a comprehensive study on a novel high-power converter, i.e. a Modular Multilevel Converter with Interleaved Half-bridge Submodules (ISM-MMC). It describes in depth its average model, the operating principles, as well as a new control method and a hybrid modulation strategy that help to exploit the benefits of the interleaving scheme. The new power converter is particularly advantageous for high-current applications that require superb quality of input/output waveforms. Moreover, this book reports on a systematic study of the current balancing problem between parallel-connected units that commutate in non-simultaneous fashion. This is a typical issue in interleaved converters, however here it is analyzed for the first time in relation to MMC-based structures. Two control strategies are proposed to cope with this matter. By using a sensorless regulation scheme, the number of required current transducers has been minimized, reducing complexity, cost, and footprint of the hardware, while providing converter with a fast and accurate current balancing. This book also offers a comprehensive comparison between several practical designs of ISM-MMC and classical MMC for an ultra-fast electrical vehicle charger. All in all, it provides graduate students and researchers, as well as field engineers and professionals with extensive information and essential practical details on the state-of-the-art MMC and ISM-MMC design.

Power electronics. --- Electric machinery. --- Power Electronics. --- Electrical Machines. --- Electromechanical devices --- Machinery --- Electronics, Power --- Electric power --- Electronics --- Electric current converters. --- Converters, Electric --- Electric converters --- Electric machinery --- Electric power supplies to apparatus --- Power electronics

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Shchokvartalʹnyĭ naukovo-praktichnyĭ z͡hurnal.

Electrical engineering --- Power (Mechanics) --- Electric machinery --- Génie électrique --- Energie mécanique --- Machines électriques --- Periodicals. --- Périodiques --- Electric machinery. --- Electrical engineering. --- power stations --- electrical engineering --- electrical machines and apparatus --- electrical transportation --- electrical safety --- cable engineering --- Electromechanical devices --- Machinery --- Energy --- Mechanics --- Electric engineering --- Engineering --- Nuclear energy

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This book attempts to eliminate the existing “imbalance” between the theory of electric machines and the theory of electromagnetic fields. In order to develop viable methods for engineering calculations, the author applies field equations. The resulting, new methods consist of traditional calculation elements represented in a refined form (circuit-loops, parameters, equivalent circuits and voltage equations). These calculation methods should be effective both for researchers and engineering practitioners, especially, in relation to the modern electric machines, such as powerful turbine generators, large high-speed synchronous motors, etc. Provides conditions for the generalization of the field research results; Expands capabilities of engineering calculation methods; Improves upon the theory of engineering calculations, under the conditions of the Maxwell’s equations.

Einstein field equations. --- Einstein's field equations --- Einstein's gravitational field equations --- Einstein's law of gravitation --- Field equations, Einstein --- Differential equations --- Field theory (Physics) --- General relativity (Physics) --- Gravitational fields --- Power electronics. --- Electric machinery. --- Electronic circuits. --- Power Electronics. --- Electrical Machines. --- Electronic Circuits and Systems. --- Electron-tube circuits --- Electric circuits --- Electron tubes --- Electronics --- Electromechanical devices --- Machinery --- Electronics, Power --- Electric power

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Decision Making Under Uncertainty in Electricity Markets provides models and procedures to be used by electricity market agents to make informed decisions under uncertainty. These procedures rely on well established stochastic programming models, which make them efficient and robust. Particularly, these techniques allow electricity producers to derive offering strategies for the pool and contracting decisions in the futures market. Retailers use these techniques to derive selling prices to clients and energy procurement strategies through the pool, the futures market and bilateral contracting. Using the proposed models, consumers can derive the best energy procurement strategies using the available trading floors. The market operator can use the techniques proposed in this book to clear simultaneously energy and reserve markets promoting efficiency and equity. The techniques described in this book are of interest for professionals working on energy markets, and for graduate students in power engineering, applied mathematics, applied economics, and operations research.

Economics/Management Science. --- Operations Research/Decision Theory. --- Power Electronics, Electrical Machines and Networks. --- Financial Economics. --- Operations Research, Mathematical Programming. --- Economics. --- Operations research. --- Production of electric energy or power. --- Finance. --- Economie politique --- Recherche opérationnelle --- Finances --- Economics --- Operations research --- Production of electric energy or power --- Finance --- AA / International- internationaal --- 305.6 --- 338.753.2 --- Risicotheorie, speltheorie. Risicokapitaal. Beslissingsmodellen. --- Elektrische energie. --- Decision making --- Electric utilities --- Energy industries --- Industries --- Power resources --- Electric companies --- Electric light and power industry --- Electric power industry --- Electric industries --- Public utilities --- Mathematical models --- Finance&delete& --- Risk management&delete& --- Risicotheorie, speltheorie. Risicokapitaal. Beslissingsmodellen --- Elektrische energie --- Risk management