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Control of Multiphase Machines and Drives
With the growing interest in electrical machines in recent times, the multiphase machine field has developed into a fascinating research area. Their intrinsic features (power splitting, better fault tolerance, or lower torque ripple) make them an appealing competitor to conventional three-phase machines. Multiphase electric drives have been recently used in applications where fault tolerance and continuous operation of the drive are required. However, the difficulties in extending the three-phase conventional current regulation and control structure to multiphase systems still limit their broad applicability in industry solutions. The main objective of this book is to illustrate new advances, developments, and applications in the field of multiphase machines and drives, while exposing these advances, developments, and applications to the scientific community and industry.
Optimization of multiphase permanent magnet synchronous machines on system level with reduced losses
The requirements of an electrical machine (EM) in Electric- (EV) and Hybrid Electric Vehicles (HEV) are high power density, a stator and rotor field with low harmonic content and best acoustic behavior. Six-phase permanent magnet synchronous machines (PMSM) have significant benefits over conventional three-phase PMSMs, such as reduced current per inverter phase leg, less fundamental losses because of a better winding factor and increased fault tolerance. Despite their advantages, considering the same installation space, the torque per ampere increase of a six-phase PMSM is very marginal. Therefore, the main focus of this dissertation lies in increasing the power density of the multiphase ele...
FilosofÍa para PolicÍas
FILOSOFÍA PARA POLICÍAS Todos los y las policías del mundo, deben tener un mínimo de conocimiento no sólo jurídico, político y criminal. La filosofía es una oportunidad para conocer desde una perspectiva más humanista el trabajo policial. En este contexto, encontramos la ética policial, la filosofía de la mente y las mentes criminales, entre otras ramas del conocimiento filosófico. Conforme nos conozcamos a nosotros mismos, nos volvemos más conscientes de nuestros objetivos en nuestra vida, más responsables y comprometidos con nuestro trabajo como defensores de los Derechos Humanos y Estados de Derecho Democráticos. En este libro, encontrarás algunas de las premisas más impo...
Handbook of Latin American Studies
Contains records describing books, book chapters, articles, and conference papers published in the field of Latin American studies. Coverage includes relevant books as well as over 800 social science and 550 humanities journals and volumes of conference proceedings. Most records include abstracts with evaluations.
Restauración integral del Panteón de Dolores
El interés por el estudio de las necrópolis o cementerios de la Antigüedad ha permitido a los arqueólogos descubrir las causas últimas de muchas y muy variadas culturas, el Panteón de Dolores encierra motivos para ponderarlo como uno de los más importantes del país.
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Translation Surfaces
This textbook offers an accessible introduction to translation surfaces. Building on modest prerequisites, the authors focus on the fundamentals behind big ideas in the field: ergodic properties of translation flows, counting problems for saddle connections, and associated renormalization techniques. Proofs that go beyond the introductory nature of the book are deftly omitted, allowing readers to develop essential tools and motivation before delving into the literature. Beginning with the fundamental example of the flat torus, the book goes on to establish the three equivalent definitions of translation surface. An introduction to the moduli space of translation surfaces follows, leading int...
