Teoria De Circuitos_ Problemas - Mujal Roses, Ramon.pdf

ENGINYERIES INDUSTRIALS

UPCGRAU Teoría de circuitos. Problemas Ramón Mujal Roses Marc Marín Genescà

ALVAR AALTO. Una arquitectura dialógica

2

ARQUITECTONICS

ENGINYERIES INDUSTRIALS

UPCGRAU Teoría de circuitos. Problemas Ramón Mujal Roses Marc Marín Genescà

Primera edición: març de 2016

©

Los autores, 2016

©

Iniciativa Digital Politècnica, 2016 Oficina de Publicacions Acadèmiques Digitals de la UPC Jordi Girona, 31 Edifici Torre Girona, Planta 1, 08034 Barcelona Tel.: 934 015 885 www.upc.edu/idp E-mail: [email protected]

Depósito legal: B 6733-2016 ISBN: 978-84-9880-580-2 Cualquier forma de reproducción, distribución, comunicación pública o transformación de esta obra sólo puede realizarse con la autorización de sus titulares, salvo excepción prevista en la ley.

Índice

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PROBLEMAS DE CORRIENTE CONTINUA

Asociación de resistencias

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Problemas de teoría de circuitos

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Asociación de resistencias

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Problemas de teoría de circuitos

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Problemas de teoría de circuitos

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Problemas de teoría de circuitos

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37

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Problemas de teoría de circuitos

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Problema 10.1

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Problema 10.7

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115

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Problema 14.18 (OHVTXHPDWULIiVLFRGHODILJXUDSUHVHQWDODVFDUDFWHUtVWLFDVVLJXLHQWHV 

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209

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210

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211

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212

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FORMULARIO   

FÓRMULAS GENERALES Impedancia, admitancia y ángulo total de un sistema eléctrico: =L


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= L ‘IL

*  M%

=

M S I ā/

;/

*

 5

%

;&

MZ/

I7

MZ&

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Intensidad al final de línea, tensión de fase, tensión al inicio de la línea y rendimiento total de un sistema de potencia:

3L

,L

8 L ā āFRV IL

‘I8L  I,L 9 L

8L 

K

9

9   =  ā,  

36$/,'$  3(175$'$ 

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U

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5HVLVWHQFLDV\ERELQDVHQVHULH 5HTXL

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Į

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F D

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/

/

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951

951 ž

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951 =5





961

961 ž 961 =6

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8 75

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Tabla 3 Intensidad máxima admisible en amperios a temperatura ambiente de 40oC

Tabla 4 Factores de corrección de la intensidad máxima admisible en caso de agrupación de cables aislados en haz, instalados al aire

263

Problemas de teoría de circuitos

Tabla 5 Factores de corrección de la intensidad máxima admisible para cables aislados en haz, en función de la temperatura ambiente Tabla 6 Intensidades máximas de circuitos en kA para conductores de aluminio

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265

Problemas de teoría de circuitos

Tabla 10 Factor de corrección para resistividad térmica del terreno distinta de 1 K. m/W.

Tabla 11 Factor de corrección para agrupaciones de cables trifásicos o temas de cables unipolares

Tabla 12 Factores de corrección para diferentes profundidades de instalación

266

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Tabla 15 Densidad de corriente de cortocircuito, en A/mm2, para conductores de cobre.

267

Problemas de teoría de circuitos

Instalaciones interiores o receptoras: Tabla 16 Intensidades admisibles (A) al aire 40° C. Nº de conductores con carga y naturaleza del aislamiento

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269

Problemas de teoría de circuitos



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