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Home > Archive>Volume 35, Issue 3, 2020 >120-126. DOI:10.19781/j.issn.16739140.2020.03.016
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Optimization scheme of AC / DC distribution network considering voltage sags
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    Abstract:

    As a new scheme of the distribution networks, the DC distribution network should be compared in detail with the AC distribution network in planning and design stage. Mean while, the voltage sags problems are also dominated in resent years. Under this circumstance, this paper studies the effect of DC distribution network which can relieve voltage sags occurs of the sensitive customers. Then, the life cycle cost (LCC) model of AC/DC distribution network is established by considering the economic and reliability impacts. It is shown that, in the case of 50% DC loads, even the DC distribution network has more initial cost and lower reliability, the LCC of DC distribution networks is better due to its ability to mitigation voltage sags and less loss. At last, the optimization method of AC/DC distribution network under different DC load ratios and power electronic device failure rate is proposed.

    Reference
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李 飞,郑志宇,张昭丞,艾 芊,蔡 翀,李雅倩.考虑电压暂降影响的交直流配网优选[J].电力科学与技术学报英文版,2020,35(3):120-126. LI Fei, ZHENG Zhiyu, ZHANG Zhaocheng, AI Qian, CAI Chong, LI Yaqian. Optimization scheme of AC / DC distribution network considering voltage sags[J]. Journal of Electric Power Science and Technology,2020,35(3):120-126.

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  • Online: September 14,2020
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