19.23
Blogntech
Abstract:
In an electrical installation, a protection for overioad and short circult are always to be installed. In addition to the installation, it is necessary to be installed a protection device for residual current because both the short circuit and the overload device protection will not work for the residual current.
The quantity of the residual current must be defined first at any electrical installation to define an appropriate residual current protection so that not every residual current will break the circuit down. This paper will explain a method how to install a residual protection device for 3500 VA or more at TN and TT of earthing system.
Key word: application, protection and residual current
Firman Silitonga
Pusat Rekayasa dan Perangkat Nuklir-Batan
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