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1. HYBRID MICROGRID MODEL BASED ON SOLAR PHOTOVOLTAIC
BATTERY FUEL CELL SYSTEM FOR INTERMITTENT
LOAD APPLICATIONS
ABSTRACT
Microgrids are a subset of the modern power structure using distributed generation to
supply power to communities rather than vast regions. The relatively smaller scale mitigates
transmission loss with better control, greater security, increased reliability, and design flexibility.
This study explores the modeled performance and cost viability of a hybrid grid-tied microgrid
that utilizes the combination of solar photovoltaic (PV), batteries, and fuel cell (FC) systems.
The proposed concept highlights that each community home is equipped with more solar PV
than is required for normal operation. As the homes are part of a microgrid, excess or unused
energy from one home is collected for use elsewhere within themicrogrid footprint. The surplus
power that would have been discarded becomes a community asset and is used to run
intermittent services. The modeled community does not have parking adjacent to each home
allowing for the installment of a privately owned slower Level 2 charger. This makes electric
vehicle (EV) ownership untenable. Based on this study, an optimum configuration is
recommended to provide a Level 3 dc quick charger for an intermittent service. The addition of
batteries and FCs is meant to increase load leveling, improved reliability, and instill limited
island capability..