Mute
US29928463521934
Ao medir a diferença de potencial entre uma haste de aterramento e pontos distintos do solo, é possível observar o gradiente de potencial criado pela dissipação de corrente na terra. Embora os valores medidos sejam baixos, eles demonstram um fenômeno real: o solo não permanece em um único potencial elétrico ao redor do eletrodo. Esse gradiente é a base dos conceitos de tensão de passo e tensão de toque, além de explicar problemas comuns causados pela instalação de aterramentos independentes sem...
Follow
439
12
87
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