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- Title
Microgrids: Energy management by loss minimization technique.
- Authors
Basu, A. K.; Chowdhury, S.; Chowdhury, S. P.
- Abstract
Energy management is a techno-economic issue, which dictates, in the context of microgrids, how optimal investment in technology front could bring optimal power quality and reliability (PQR) of supply to the consumers. Investment in distributed energy resources (DERs), with their connection to the utility grid at optimal locations and with optimal sizes, saves energy in the form of line loss reduction. Line loss reduction is the indirect benefit to the microgrid owner who may recover it as an incentive from utility. The present paper focuses on planning of optimal siting and sizing of DERs based on minimization of line loss. Optimal siting is done, here, on the loss sensitivity index (LSI) method and optimal sizing by differential evolution (DE) algorithms, which is, again, compared with particle swarm optimization (PSO) technique. Studies are conducted on 6-bus and 14-bus radial networks under islanded mode of operation with electric demand profile. Islanding helps planning of DER capacity of microgrid, which is self-sufficient to cater its own consumers without utility's support.
- Subjects
DIFFERENTIAL evolution; PARTICLE swarm optimization; ENERGY management; POWER resources; ELECTRIC power distribution; CONSUMERS
- Publication
International Journal of Energy & Environment, 2011, Vol 2, Issue 2, p267
- ISSN
2076-2895
- Publication type
Article