Mute
ELETRICITY - O CANAL
Como 3 lâmpadas de 127V conseguem funcionar entre 3 fases sem a presença do neutro? Vem comigo que eu te explico na teoria e na prática. Em um sistema trifásico, se cargas idênticas forem ligadas entre cada fase e o neutro, temos correntes iguais e a soma delas é zero, permitindo inclusive que eu desconecte o neutro. Não acredita? Veja na prática no vídeo! Temos 3 lâmpadas idênticas ligadas nas fases R, S e T. O segundo ponto de ligação de cada lâmpada está conectado ao neutro. Ligando o sistem...
Follow
4
0
3
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