Cost-based droop scheme with lower generation costs for microgrids

Ullah, I, Loh, P and Blaabjerg, F 2013, 'Cost-based droop scheme with lower generation costs for microgrids', in Proceedings of the IEEE ECCE Asia DownUnder (ECCE Asia 2013), Melbourne, Australia, 3-6 June 2013, pp. 339-343.


Document type: Conference Paper
Collection: Conference Papers

Title Cost-based droop scheme with lower generation costs for microgrids
Author(s) Ullah, I
Loh, P
Blaabjerg, F
Year 2013
Conference name ECCE Asia 2013
Conference location Melbourne, Australia
Conference dates 3-6 June 2013
Proceedings title Proceedings of the IEEE ECCE Asia DownUnder (ECCE Asia 2013)
Publisher IEEE
Place of publication United States
Start page 339
End page 343
Total pages 5
Abstract In an autonomous microgrid where centralized management and communication links are not viable, droop control has been the preferred scheme for power sharing among distributed generators (DGs). At present, although many droop variations have been proposed to achieve proportional power sharing based on the DG kVA ratings. Other operating characteristics like generation costs, efficiencies and emission penalties at different loadings have not been considered. This makes existing droop schemes not too well-suited for standalone microgrids without central management system, where different types of DGs usually exist. As an alternative, this paper proposes a cost-based droop scheme, whose objective is to reduce a generation cost realized with various DG operating characteristics taken into consideration. The proposed droop scheme therefore retains all advantages of the traditional droop schemes, while at the same time keep its generation cost low. These findings have been validated through simulation and scaled down lab experiment.
Subjects Renewable Power and Energy Systems Engineering (excl. Solar Cells)
Industrial Electronics
Electrical and Electronic Engineering not elsewhere classified
Keyword(s) Microgrids
autonomous control
distributed generation
droop control
power converters
cost-based droop scheme
distributed power generation
power generation economics
droop control
power sharing
Copyright notice © 2013 IEEE
ISBN 9781479904839
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