Abstract
This article proposes a novel design methodology for hybrid isolated microgrids, integrating electric vehicles (EV) as additional loads and also as additional storage systems in the microgrid design stage. The proposed method highlights the application of electric vehicles in rural environments. Two types of electric vehicles were considered: (1) EV that only operate in charging mode; and (2) EV that can interchange power with the microgrid (V2G). For both EV types, a dispatch strategy was developed to optimize the use of the system resources during the charging process. As an application example of the proposed design methodology, a hybrid microgrid was designed for the rural Colombian village of Unguía. The results show the advantages of the inclusion of EV as ancillary services providers for the system and also as public transportation agents.
Highlights
Nowadays, access to electricity is one of the most critical aspects when assessing the degree of welfare and development of people [1]
This paper describes a methodology for the inclusion of electric vehicles (EV) in an isolated microgrid, from the design stage
These EV are intended for use mainly in a rural environment, and some of them can provide ancillary services to the microgrid
Summary
Access to electricity is one of the most critical aspects when assessing the degree of welfare and development of people [1]. The Colombian government has a sponsored program for fuel distribution for diesel plant operation in the NIZ, transportation problems elevate the costs and decrease the effectiveness of these solutions, and the environmental concerns have to be accounted for [2] In this context, many alternatives have been proposed for decreasing the economic and environmental consequences of fuel-based energy sources in the country [3]. Many alternatives have been proposed for decreasing the economic and environmental consequences of fuel-based energy sources in the country [3] These alternatives include the use of hybrid microgrid systems involving renewable energy sources and the existent diesel plants, which emerge as a promising initiative for the increment of the electricity access in Colombian non-interconnected zones [2]. As the interest in microgrids grows, aspects such as the optimal
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