Industry Reports

CIGRE WG B5.34

The Impact of Renewable Energy Sources and Distributed Generation on Substation Protection and Automation

By CIGRE Working Group B5:34

The electric power grid is a complex dynamic system with a lot of uncertainties. The integration of renewable energy such as wind farms further adds complexity and challenges to the existing protection and automation at all voltage levels. A lot of efforts have gone into the advancement of protection and automation in distributed generation based on renewables to promote the interests of the electric power utilities, consumers, politicians and environmentalists. In this report, guidelines, codes, regulations and practices with protection of DG in different countries are covered. Future trends in islanding detection, intelligent power systems, wide area protection applications, substation communications & automation and wind farm for network stability will also be considered.

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