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Decentralisedproportional-plus-integraldesign method for interconnectedpower systems

Summary: Decentralisedproportional-plus-integraldesign
method for interconnectedpower systems
M. Aldeen
J.F. Marsh
Indexing t m : Power systems and plant, Design, Decentralisation, Interconnections
Abstract: A simple and computationally efficient
decentralisedcontrol design method is introduced
for load-frequency control (LFC) in intercon-
nected power systems. The method is based on
the use of a reduced-order observer and a
proportional-plus-integral controller in each area
of the power system, and ensures zero static
changein area-frequencyand tie-linepower. Some
of the features of the decentralised scheme are
decentralised implementation of a wide choice of
feedback controllers, which have been designed
off-line to meet the requirements of the global
system; a constraint-free structure for the feed-
back controller; and avoidance of the need for
inter-area transfer of data, for the purposes of


Source: Aldeen, Mohammad - Department of Electrical and Electronic Engineering, University of Melbourne


Collections: Engineering