Distributed vs. centralized power systems frequency control

This paper considers a distributed control algorithm for frequency control of electrical power systems. We propose a distributed controller which retains the reference frequency of the buses under unknown load changes, while asymptotically minimizing a quadratic cost of power generation. For compari...

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Vydané v:2013 European Control Conference (ECC) s. 3524 - 3529
Hlavní autori: Andreasson, Martin, Dimarogonas, Dimos V., Johansson, Karl H., Sandberg, Henrik
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: EUCA 01.07.2013
Edícia:Report series / DSV
Predmet:
Centralized controllers
Centralized power system
Distributed control algorithms
Distributed controller
Eigenvalues and eigenfunctions
Electrical power system
Equations
Frequency control
Mathematical model
Power system stability
Quadratic costs
Reference frequency
Stability criteria
Test network
ISBN:9783033039629, 3033039626
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Popis
Shrnutí:This paper considers a distributed control algorithm for frequency control of electrical power systems. We propose a distributed controller which retains the reference frequency of the buses under unknown load changes, while asymptotically minimizing a quadratic cost of power generation. For comparison, we also propose a centralized controller which also retains the reference frequency while minimizing the same cost of power generation. We derive sufficient stability criteria for the parameters of both controllers. The controllers are evaluated by simulation on the IEEE 30 bus test network, where their performance is compared.
ISBN:9783033039629
3033039626
DOI:10.23919/ECC.2013.6669721