Smart Grid and Micro Grid in the US: Distribution and Comparison

2022 IEEE International Conference on Power Systems and Electrical Technology (PSET) Pub Date : 2022-10-13 DOI:10.1109/PSET56192.2022.10100613

Tasnim Ikra Rahman, Moham Ad Musavi

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Abstract

Microgrid can be defined as a group of distributed energy resources which can provide power either in grid connected or in islanded mode. The reason why microgrid is becoming popular now a days is that it can provide energy without polluting the environment (clean energy), high efficiency and reasonable cost features. Microgrid is usually a small-scale power supply whereas conventional power plants are huge power supply units. Approximately around four hundred microgrids are in operation in recent years across the United States and this accounts for 0.2% in the US total generation. Generation capacity for all the microgrids working can be estimated as 3.1 gigawatts. However, there are some concerns about stability, power quality, cost, and efficiency of those microgrids. This paper presents the approximate data about production capacity, type of microgrid for different sites, technology used for producing electricity, voltage profile and frequency oscillation comparison issues for active microgrids in the United States. Also, some case studies have been discussed to compare the voltage profile and stability data of different microgrids installed.

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美国智能电网与微电网:分布与比较

微电网可以定义为一组既可以并网供电又可以孤岛供电的分布式能源。微电网之所以现在流行起来，是因为它可以提供不污染环境的能源(清洁能源)，效率高，成本合理的特点。微电网通常是一个小规模的电力供应，而传统发电厂是一个巨大的电力供应单元。近年来，美国大约有400个微电网在运行，占美国总发电量的0.2%。所有正在运行的微电网的发电能力估计为3.1千兆瓦。然而，人们对微电网的稳定性、电能质量、成本和效率存在一些担忧。本文介绍了美国有源微电网的生产能力、不同地点的微电网类型、用于发电的技术、电压分布和频率振荡比较问题的大致数据。此外，还讨论了一些案例研究，以比较不同安装的微电网的电压分布和稳定性数据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 IEEE International Conference on Power Systems and Electrical Technology (PSET)

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