Diga o que entende por sistema trifásico?
Circuitos trifásicos em corrente alternada

Quiz
•
Other
•
9th - 12th Grade
•
Hard
joão Almeida
Used 9+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cargas trifásicas não equilibradas são:
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tensões e correntes de linha e fase de um esquema de ligações em estrela relacionam-se de que forma?
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Indique qual ou quais os esquemas que representam um sistema trifásico em estrela?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um alternador trifásico, ligado em estrela, tem uma tensão composta de 400 KV. A tensão simples do alternador será de:
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A soma vetorial entre as tensões que constituem o sistema trifásico representado é:
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
As fórmulas que permitem o cálculo da potência ativa num sistema trifásico é dada por:
8.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Qual é a relação entre a tensão de fase e linha e corrente na fase e na linha do gerador relativamente ao esquema apresentado?
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