Distributed control scheme on cost optimisation under communication delays for DC microgrids
Distributed control scheme on cost optimisation under communication delays for DC microgrids
复制标题
直流微电网通信时延下成本优化的分布式控制方案
DOI:
10.1049/iet-gtd.2016.1716
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发表时间:
2020
影响因子:
2.5
通讯作者:
Liu Zhangjie
中科院分区:
文献类型:
--
作者:
Han Hua;Wang Hao;Sun Yao;Yang Jian;Liu Zhangjie
This study addresses the distributed economic dispatch problem for DC microgrids when time‐varying delays are present in communication networks. A novel distributed algorithm is proposed, and the proposed controller contains a distributed generation cost optimisation module and a voltage regulation module. The cost optimisation module is aimed to realise cost optimisation by driving the incremental cost rate of every distributed generator to be equal. In the voltage regulation module, a distributed synchronisation algorithm is used to restore the global average voltage. After the effect of the communication delay on the system stability is analysed, the robust stability criticality under load changes is obtained by using linear matrix inequality. The performance of the proposed scheme is validated through simulations and experimentally.
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