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Maquinas eléctricas - Maquinas de corriente continua (Ejercicios)

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Ejercicios basicos de maquinas electricas de corriente continua. Solucion paso a paso

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M AQUINAS ELÉCTRICAS
M AQUINAS DE CORRIENTE CONTINUA
E JERCICIOS RESUELTOS
AE TEAM AE Team




1. A NÁLISIS BÁSICO

1.1 Un inducido con embobinado imbricado doble se usa en una máquina de corriente con-
tinua de seis polos, con seis juegos de escobillas, cubriendo cada una dos segmentos de
conmutación.
Hay 72 bobinas en el inducido, cada una con 12 espiras.

1. ¿Cuántos trayectos de corriente hay en la máquina?

2. ¿Cuál es el voltaje en el inducido?


1.2 Un generador de CC con 12 polos tiene un inducido con embobinado ondulado sencillo
que contiene 144 bobinas de 10 espiras cada una. La resistencia de cada espira es de 0,011
Ω. Su flujo por polo es 0,05 Wb y gira a una velocidad de 200 rpm.

1. ¿Cuántos trayectos de corriente hay en esta máquina?
M
2. ¿Cuál es el voltaje de armadura inducido en esta máquina?
A
3. ¿Cuál es la resistencia efectiva del inducido en la máquina?
E
T


4. Si una resistencia 1 kΩ se conecta los terminales de este generador, ¿Cuál es el momento de
torsión resistente inducido en el eje de la máquina?
E
A




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