There are three different types of microgrid models, and this will determine the kind of microgrid modeling structure to use in a particular area. Choosing one that will serve you right does not stop at making comparisons of the microgrid models.
Remote microgrids are stand-alone types of microgrids that operate in island modes at all times. Their mode of operation is because of the lack of distribution or transmission infrastructure within their vicinity. Therefore, they are also referred to as the off-grid microgrid.
Their typical source of energy is renewables like solar and wind energy. In addition, most of them opt to use batteries for energy storage and power backup in place of generators. This provides environment-friendly and sustainable DER solutions in areas that use such.
Networked microgrids (NMG), also referred to as the nested type of microgrids, constitute many separate DERs with microgrids connected to the circuit segment of one utility grid. The connection to one utility grid gives them the potential to serve wide geographical areas.
These microgrids are optimized and managed individually or as a connection in different hierarchical tiers within the circuit segment of the utility grid.
This type of microgrid is physically connected with the utility grid through a switching mechanism, the (PCC) point of common coupling. However, you can connect and disconnect them to island mode, depending on your requirements.
Effectively integrated grid-connected microgrids to utility service providers offer services like voltage regulation, real and reactive power support, frequency and demand responses. The size of the area a microgrid is to serve, infrastructure, and energy requirements are among the determining factors of a microgrid modeling structure.
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