Downtime measurements of generator-powered microgrid during planned and unplanned transfer to island mode
Abstract
Growing popularity of distributed generation is
drawing special attention to communication technologies in smart
power grids. This paper provides a detailed overview of the
communication protocols utilized in the modern distributed grid
laboratory. It describes both wired and wireless technologies used
in Smart Grid and presents the remote operation of switching
the subsystem from grid mode to island mode operating under
nominal conditions. It shows the duration of power outages
during a transfer to island mode with diesel generator running
on idle - which simulates planned islanding and diesel generator
stationary, which simulates unplanned islanding. Latency between
registration of disturbance and executing control command
is measured. The results obtained are compared with current
legislation. The consequences to the power system that are
possible in both scenarios are highlighted. Obtained results and
description of the communication technologies can be useful for
the design of distributed power grids, island-mode power grids,
and Smart Grids, as well as for further research in the area of
using combustion fuel generators as a primary power supply in
the microgrid.
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