Custom distribution feeder recloser IED with high impedance protection function

This article presents the development of a custom Intelligent Electronic Device (IED) for distribution feeder recloser protection and automation. The IED was designed according to specific requirements of the overhead distribution networks from the Brazilian electric utility COPEL. The project aims to create a modular hardware and software solution, that could fit the today´s utility needs of a multifunctional device, such as a high-impedance protection function, and also future capabilities, in order to fit the newest Smart Grids scenarios of COPEL.