Distributed Control for Improving Power System Stability presented by David Copp

Distributed Control for Improving Power System Stability presented by David Copp
Posted: 12 Apr 2018
David Copp
Primary Committee:
IEEE Smart Grid Webinar Series
Time: 01:00:00

Power systems consist of many components distributed across wide geographic
areas. A sudden increase or decrease in load or generation in these systems results in
swings in power transfer between regions, called inter-area oscillations. Damping
these inter-area oscillations is crucial for maintaining a secure and reliable power
grid. In this webinar, we present distributed control schemes that can be used to
improve the small-signal stability of large power systems. Implementations include
the modulation of power transfer along a High Voltage DC transmission line as well
as injecting real power from distributed energy storage devices. We show results
from several example power systems including the western North American Power
System. Furthermore, we discuss practical challenges arising from using remote
measurements for feedback signals. Specifically, we characterize the time delays
associated with synchrophasor-based measurements and highlight the effect time
delays have on stability of the distributed control system.

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