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Distributed Control for DC Microgrid Based on Optimized Droop Parameters.
- Source :
-
IETE Journal of Research . Mar/Apr2020, Vol. 66 Issue 2, p192-203. 12p. - Publication Year :
- 2020
-
Abstract
- The droop control approach is widely used in case of parallel operation of DC sources. The conventional droop control method is realized by linearly reducing the load voltage as the load current increases. This droop control is unable to achieve effective equal load sharing as well as the bus voltage regulation. The load sharing error is enhanced when cable line parameters of parallel-connected DC sources are not equal. The droop gain and nominal voltage reference of source converters are the key parameters to achieve the bus voltage deviation within the permissible limits and effective load sharing. In this paper, the droop parameters of the proposed distributed control scheme are optimized with the help of the Particle Swarm Optimization technique for the aforementioned control objectives of the DC microgrid for unequal cable line resistances. The performance of the proposed control scheme based on optimal droop parameters is verified through MATLAB/Simulink environment and validated by a hardware-in-the-loop real-time simulator based on the dSPACE 1202 platform. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 03772063
- Volume :
- 66
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- IETE Journal of Research
- Publication Type :
- Academic Journal
- Accession number :
- 142476965
- Full Text :
- https://doi.org/10.1080/03772063.2018.1481461