Como proteger seus equipamentos eletrônicos na época de chuvas

By 30/10/2019 Economia

Independente da estação do ano ou clima da região, os equipamentos eletrônicos ligados na rede elétrica sempre estão expostos a eventuais surtos de tensão.  Os picos de tensão são os maiores responsáveis pela queima desses aparelhos, e eles podem ter origem na própria concessionária de energia ou serem causados por um raio durante a chuva.

A baixa tensão na rede elétrica, ou mesmo sua falta, não afeta drasticamente os aparelhos eletrônicos. O problema é durante o retorno da energia que pode voltar com uma tensão (voltagem) acima da normal.

Embora vários aparelhos atuais sejam “bivolt” e suportem tensões acima de 230V, a energia elétrica pode retornar, em alguns  casos, com uma tensão acima disso, causando danos graves aos equipamentos eletrônicos, ainda que essa tensão se restabeleça em poucos segundos.

Televisores, computadores, geladeiras e máquinas de lavar são os itens domésticos mais críticos. Por esse motivo, seguem algumas dicas de como proceder em caso de chuva com raios e apagões de energia.

O que fazer para proteger os equipamentos:

  1. Tire tudo da tomada
    Se começar uma tempestade com raios, o ideal é desligar e tirar os aparelhos das tomadas. Assim, se por acaso um raio atingir a sua rede elétrica, a variação de energia não vai queimar os seus eletrônicos.
  2. Não use os aparelhos
    Além de correr o risco de queimar, você também pode acabar levando um choque se um raio cair na rede. Se precisar falar com alguém, dê preferência ao celular ao invés do telefone fixo. Tablets e notebooks só devem ser usados se estiverem desconectados.
  3. Cuidado com a água
    Veja se não tem algum vazamento, infiltração ou se não está entrando água por alguma janela próxima dos eletrônicos. Além de a água danificar os aparelhos, se ela entrar em contato com a energia elétrica pode causar um curto-circuito e até um incêndio!
  4. Terceiro pino
    Esse terceiro pino dos carregadores serve exatamente para proteger os eletrônicos de cargas elétricas muito altas. Ao invés de quebrar esse pino, use um adaptador de tomada.
  5. Filtro de linha
    O filtro de linha serve para proteger um aparelho eletrônico de outro. Cada aparelho precisa de mais ou menos energia para funcionar e se você ligar todos em uma mesma tomada, com um benjamin, por exemplo, pode acabar queimando algum aparelho.
  6. Estabilizador
    É um equipamento que tem a função de proteger aparelhos eletrônicos das variações de tensão que recebe da rede elétrica. Espera-se que os estabilizadores sejam capazes de nivelar a tensão elétrica, a voltagem da rede, e, assim, os picos de energia não afetarão diretamente os aparelhos.

 

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