Smart Microgrids
Abstract Smart MicroGrids (SMGs) can be seen as a promising option when it comes to addressing the urgent need for sustainable transition in electric systems from the current fossil
However, using this kind of energy source will introduce carbon emissions. To achieve the target of carbon neutrality, the concept of zero-carbon microgrid is proposed to indicate a microgrid with zero or nearly zero carbon emissions with the consideration of both power generation to utilization .
Then, three development trends of the zero-carbon microgrid are discussed, including an extremely high ratio of clean energy, large-scale energy storage, and an extremely high ratio of power electronic devices. Next, the challenges in achieving the zero-carbon microgrids in terms of feasibility, flexibility, and stability are discussed in detail.
Graça Gomes et al. proposed a zero-carbon microgrid to avoid high costs of diesel generators and reduce dependence on traditional power systems. After studying on energy storage systems, Wai Shin Ho et al. found that the electricity-hydrogen hybrid energy storage is more cost-effective than a single one.
As a clean and efficient energy source, hydrogen has the characteristics of long-term and cross-season energy storage properties, which is suitable for the needs of zero-carbon microgrids. Constructing a zero-carbon microgrid based on hydrogen energy storage has currently become a universal path.
Cost and sensitivity analysis of zero-carbon microgrid Total construction cost of zero-carbon microgrid includes system equipment cost and operating cost, . System equipment cost consists of electrolyzer, fuel cell, high-pressure hydrogen storage tank and battery costs. Operating cost mainly includes C H2 and C 1.
Regarding economic issues, common solutions for achieving zero carbon goals in microgrids often combine distributed energy sources (such as photovoltaics and wind turbines) with energy storage equipment, .
Abstract Smart MicroGrids (SMGs) can be seen as a promising option when it comes to addressing the urgent need for sustainable transition in electric systems from the current fossil
This paper reviews the trends and challenges to achieve the zero-carbon microgrid. Under the carbon neutrality goal, the projects to develop zero-carbon microgrids are emerging
As a clean and efficient energy source, hydrogen has the characteristics of long-term and cross-season energy storage properties, which is suitable for the needs of zero
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