NDLI: Advantages and challenges of DC microgrid for commercial building a case study from Xiamen university DC microgrid

Content Provider	IEEE Xplore Digital Library
Author	Fengyan Zhang Chao Meng Yun Yang Chunpeng Sun Chengcheng Ji Ying Chen Wen Wei Hemei Qiu Gang Yang
Copyright Year	2015
Description	Author affiliation: CGN Solar Energy Dev. Co., Ltd., Beijing, China (Hemei Qiu; Gang Yang) \|\| Inst. of Solar Energy, Xiamen Univ., Xiamen, China (Fengyan Zhang; Chao Meng; Yun Yang; Chunpeng Sun; Chengcheng Ji; Ying Chen; Wen Wei)
Abstract	This paper discussed the advantages and challenges of DC microgrid for commercial building. The data obtained from the DC microgrid constructed at Xiamen University shows that DC microgrid with rooftop solar system is an efficient way to power varies DC loads inside the building. The capacity of the solar system on the rooftop normally will be enough to power the LED light loads in commercial buildings, even for high rise buildings. In order to power heavy loads such as air conditioning and EV charging stations, extra power are required, which can be obtained from the BIPV on the sidewall, glass window, or adjacent parking lots. To ensure the stable bus voltage and continuous operation of the DC microgrid, a suitable energy storage unit and two way AC/DC invertors are needed. Therefore we believe to use the solar power only for the matched DC loads, and keep existing AC power in the building to power the rest loads (or an AC and DC hybrid microgrid) maybe a more viable solution. The economical analysis shows that installation cost of a DC microgrid system is about $2.2/W, which is becoming a marketable technology.
Starting Page	355
Ending Page	358
File Size	1372823
Page Count	4
File Format	PDF
ISBN	9781479998807
DOI	10.1109/ICDCM.2015.7152068
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Economical analysis Buildings Advantages Challenges Microgrids Solar energy Charging stations Light emitting diodes Feasibility Solar system DC Microgrid
Content Type	Text
Resource Type	Article

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