Análisis de la influencia del régimen de neutro en la compatibilidad electromagnética en edificios hospitalarios y propuesta de una nueva técnica correctora

La presente tesis aborda el estudio de los distintos regímenes de neutro de las instalaciones de baja tensión, comúnmente llamados sistemas de puesta a tierra, desde un doble punto de vista, con el objetivo final de establecer un estándar justificado para un posterior desarrollo normativo, y de diseño que facilite la operación y funcionamiento de la instalación eléctrica y de comunicaciones en los sistemas hospitalarios. En una primera parte de la tesis se detallará que aunque hay muchos estudios teórico-prácticos sobre la elección del régimen de neutro en base a criterios operativos y puramente eléctricos, criterios como seguridad frente a accidentes eléctricos, o en términos de disponibilidad, mantenimiento o fiabilidad, esas recomendaciones no se han trasladado de manera directa a la legislación española salvo en el caso de Salas de Intervención donde se obliga a un sistema IT. Por eso se justificará como una primera técnica correctora de un inadecuado funcionamiento electromagnético en Hospitales el establecer una propuesta de marco normativo donde se fijen los tipos de puesta a tierra en función del uso y tipología del edificio desde un punto de vista eléctrico Por otra parte, la influencia de los distintos regímenes de neutro en la transmisión de señales (compatibilidad magnética) no ha sido estudiada en toda su profundidad, no existiendo ni marco normativo obligado ni estudios en profundidad sobre estas afecciones. Por tanto y en una segunda parte de la tesis se propondrá como medida correctora para mejorar el funcionamiento electromagnético de un hospital qué el régimen de neutro TN-S es más respetuoso con el funcionamiento de los equipos de electromedicina que alberga en su interior, estableciendo así mismo una propuesta de norma que regule este diseño. En definitiva se justifica que es posible generar por diseño inicial de la red eléctrica, mediante un régimen de neutro TN-S, un contexto electromagnético óptimo para el funcionamiento del sistema hospitalario que no se logra con otras opciones contempladas en la normativa española. ABSTRACT This thesis deals with the study of various ground grid systems of low voltage installations, commonly called grounding systems, from two points of view, with the ultimate goal of establishing a standard justified from a policy perspective and design to facilitate the operation and functioning of the electrical system and hospital communications systems. In the first part of the thesis will be detailed that although there are many theoretical and practical studies on the choice of the neutral system based on operational criteria and purely electric, criteria such as safety against electrical accidents, or in terms of availability, maintenance and reliability, these recommendations have not been transferred directly to the Spanish legislation except in Intervention Rooms where a IT system is required. So be justified as a first corrective technique improper operation electromagnetic Hospitals proposal to establish a regulatory framework where ground types depending on the use and type of building are set from an electrical point of view . Moreover, the influence of the different regimes neutral signaling (magnetic compatibility) has not been studied in any depth, there being neither forced nor depth studies on these conditions regulatory framework. Thus in a second part of the thesis will be justified as a corrective measure to improve the electromagnetic performance of a hospital which the neutral TN-S is more respectful of the performance of medical electrical equipment housed in its interior, thus establishing same a proposed rule governing this design. Ultimately it is possible to generate justified by initial design of the grid, using a neutral system TN-S, electromagnetic optimal context for the operation of the hospital system is not achieved with other legal options in Spain.

Economic Incentives for Indirect TTIP Spillovers. CEPS Special Report No. 94/October 2014 [TTIP Series No. 2]

A deep, comprehensive and ambitious TTIP should not undermine or otherwise negatively affect the WTO and its signatories. Among other things, this means that trade diversion ought to be minimised and positive spillovers stimulated. The present CEPS Special Report provides some elementary quantification, which helps to understand the economic incentives for third countries to seek regulatory alignment with TTIP results, where relevant, and for which TTIP should be ‘open’. It focuses on ‘indirect’ spillovers and employs a rather aggregate economic approach. We find that, of three groups of countries that are important for trade with the EU and the US, the ‘closest’ neighbours (NAFTA, EEA, Switzerland and Turkey) exhibit powerful incentives to align so as to benefit from positive spillovers. This is less clear for two other groups. Of the (seven) ‘biggest traders’ (in manufactured goods, for which spillovers matter most), China turns out to have the greatest interest in alignment in selected sectors, followed by Israel, Japan and South Korea. Whereas the latter three either have or are negotiating FTAs with the US and the EU, precisely China has none and remains outside TPP as well. In terms of sectors, the chemical sector followed by electronic equipment are by far the most important, with agro-products and fish as a good third (SPS issues). However, in chemicals and electrical equipment, the TTIP negotiations so far, and recent US/EU regulatory cooperation, do not indicate an ambitious approach, which could reduce regulatory barriers to market access drastically.

Optimum Design of Electromagnets for Magnetic Levitation of Transport Systems based on the Inverse Problem Solutions

Article is devoted to design of optimum electromagnets for magnetic levitation of transport systems. The method of electromagnets design based on the inverse problem solution of electrical equipment is offered. The method differs from known by introducing a stage of minimization the target functions providing the stated levitation force and magnetic induction in a gap, and also the mass of an electromagnet. Initial values of parameters are received, using approximate formulas of the theory of electric devices and electrical equipment. The example of realization of a method is given. The received results show its high efficiency at design. It is practical to use the offered method and the computer program realizing it as a part of system of the automated design of electric equipment for transport with a magnetic levitation.

1992 census of manufactures.

Mode of access: Internet.

1992 census of manufactures.

Mode of access: Internet.

1992 census of manufactures.

Mode of access: Internet.

1992 census of manufactures.

Mode of access: Internet.

1987 census of manufactures.

Mode of access: Internet.

1987 census of manufactures.

Mode of access: Internet.

1987 census of manufactures.

Mode of access: Internet.

1987 census of manufactures.

Mode of access: Internet.

1987 census of manufactures.

Mode of access: Internet.

1987 census of manufactures.

Mode of access: Internet.

A Guide to telecommunications markets in Latin America

Mode of access: Internet.

High technology industries--profiles and outlooks.

One of a series of four publications containing statements and discussions of meetings held by the Secretary of Commerce in January and February of 1983.