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Gracias a la electrotecnia son posibles;el diseño, el montaje y el mantenimiento;de las instalaciones eléctricas;las instalaciones de telecomunicaciones;las máquinas eléctricas y;los sistemas automatizados.;Esta obra desarrolla los contenidos del módulo profesional de Electrotecnia, del Ciclo Formativo de grado medio en Instalaciones Eléctricas y Automáticas, perteneciente a la familia profesional de Electricidad y Electrónica. Además, será de gran utilidad para todos aquellos profesionales del sector eléctrico y electrónico que deseen actualizar sus conocimientos.;En esta 7.ª edición de Electrotecnia, totalmente actualizada, se han incluido nuevas prácticas de laboratorio y se han aumentado las actividades resueltas. Además, se han ampliado aquellos contenidos que se han considerado más relevantes para la comprensión de la materia y que han ido cambiando con la constante evolución de la tecnología.;Se ha hecho un esfuerzo especial para que los contenidos desarrollados sean claros, didácticos, y eminentemente prácticos. Siempre que se explica algún concepto teórico se incluye una actividad resuelta que sirva de ejemplo para poder entender mejor lo que se expone. Además, todos los contenidos sin excepción vienen acompañados de multitud de actividades de tipo práctico para llevar a cabo en el laboratorio de Electrotecnia.;Además se ofrece al estudiante la posibilidad de descargar y consultar multitud de recursos adicionales y material didáctico en la sección de Material web, a través de la ficha del libro en la página web www.paraninfo.es.;El autor, Pablo Alcalde San Miguel, ha ejercido su actividad profesional como profesor de Formación Profesional en ciclos formativos de la familia de Electricidad y Electrónica. Ingeniero técnico de electricidad por la Universidad de Bilbao, cuenta con una amplia experiencia tanto docente como profesional. Colabora habitualmente en publicaciones relacionadas con la electricidad y la electrónica y es autor de otros libros de formación publicados por esta editorial.