Research on the Key Technologies of AC/DC Hybrid Distribution Networks Based on Energy Internet

doi:10.11930/j.issn.1004-9649.201805141

Abstract

Abstract: The AC/DC hybrid distribution network, characterized by high reliability in power supply, high grade in energy quality, high efficiency in operation and control, and convenient access for distributed generations and multiple loads, has become the physical basis for Energy Internet, which takes the electricity as its core. Based on an introduction of the main application of AC/DC hybrid distribution networks in Energy Internet, the paper analyzes the typical application scenarios and main technical features of DC distribution technologies. Considering the research status of AC/DC hybrid distribution networks and the development requirement of energy internet, the paper also proposes the technical demands and research focus of the key technologies of AC/DC hybrid distribution networks, from the aspects of planning and design, key equipment, protection strategies, and operation and control strategies. The research achievements are significant for establishing the technical framework of AC/DC hybrid distribution networks.

Key words: Energy Internet, AC/DC hybrid distribution network, planning and design, classic power supply mode

CLC Number:

TM72

LI Jingru, HAN Feng, JIANG Shigong, LI Hongjun. Research on the Key Technologies of AC/DC Hybrid Distribution Networks Based on Energy Internet[J]. Electric Power, 2018, 51(8): 56-63.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201805141

https://www.electricpower.com.cn/EN/Y2018/V51/I8/56

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