Delay Effects on Consensus-Based Distributed Economic Dispatch Algorithm in Microgrid

For microgrids with connected but sparse communication networks, consensus-based approach can provide a distributed solution to the economic dispatch problem. However, as time delays in communication networks are nonnegligible, performances of consensus-based distributed economic dispatch algorithms...

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Vydáno v:IEEE transactions on power systems Ročník 33; číslo 1; s. 602 - 612
Hlavní autoři: Chen, Gang, Zhao, Zhongyuan
Médium: Journal Article
Jazyk:angličtina
Vydáno: IEEE 01.01.2018
Témata:
Algorithm design and analysis
Communication networks
Consensus
Delay effects
Delays
distributed algorithm
economic dispatch
Economics
Generators
microgrid
Microgrids
multi-agent system
time delays
ISSN:0885-8950, 1558-0679
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Shrnutí:For microgrids with connected but sparse communication networks, consensus-based approach can provide a distributed solution to the economic dispatch problem. However, as time delays in communication networks are nonnegligible, performances of consensus-based distributed economic dispatch algorithms are not well disclosed and investigated. Considering the effects of time delays, we first provide a novel consensus-based economic dispatch algorithm. The algorithm is fully distributed such that the optimal dispatch of energy resources in microgrid can be implemented in a distributed manner. The influence of time delays on distributed economic dispatch is strictly analyzed. The maximum allowable delay bounds are derived by applying the generalized Nyquist criterion. Several simulations are presented to verify the effectiveness of the algorithm and the correctness of the theoretical results.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2017.2702179