Conference proceeding
Distributed control for optimal economic dispatch of power generators: The heterogenous case
2011 50th IEEE Conference on Decision and Control and European Control Conference, pp.7123-7128
12/2011
DOI: 10.1109/CDC.2011.6161021
Abstract
In this paper, we present a simple, distributed algorithm for frequency control and optimal economic dispatch of power generators. In this algorithm each generator independently adjusts its power-frequency set-points of generators to correct for generation and load fluctuations using only the aggregate power imbalance in the network, which can be observed by each generator through local measurements of the frequency deviation on the grid. In the absence of power losses, we prove that the distributed algorithm eventually achieves optimality i.e. minimum cost power allocations, under mild assumptions (strict convexity and positivity of cost functions); we also present numerical results from simulations to compare its performance with traditional (centralized) dispatch algorithms. Furthermore, we show that the performance of the algorithm is robust in the sense that even with power losses it corrects for frequency deviations, and for low levels of losses, it still achieves near-optimal allocations; we present an approximate analysis to quantify the resulting suboptimality.
Details
- Title: Subtitle
- Distributed control for optimal economic dispatch of power generators: The heterogenous case
- Creators
- R Mudumbai - University of IowaS Dasgupta - University of IowaB. B Cho - University of Iowa
- Resource Type
- Conference proceeding
- Publication Details
- 2011 50th IEEE Conference on Decision and Control and European Control Conference, pp.7123-7128
- Publisher
- IEEE
- DOI
- 10.1109/CDC.2011.6161021
- ISSN
- 0191-2216
- Language
- English
- Date published
- 12/2011
- Academic Unit
- Electrical and Computer Engineering
- Record Identifier
- 9984197447502771
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