交直流混合供電關(guān)鍵技術(shù)
丁哲,儲(chǔ)婷,歐雅慧,黃子萍
(南京工程學(xué)院 電氣工程學(xué)院,江蘇 南京 211167)
摘 要:除高壓直流輸電外,直流電能在中低壓配電領(lǐng)域的應(yīng)用受到越來越多的關(guān)注。從交直流混合供電網(wǎng)架結(jié)構(gòu)、直流母線結(jié)構(gòu)與母線電壓等級(jí)、電源與設(shè)備接入直流母線方式、交直流混合供電網(wǎng)控制策略、交直流混合供電網(wǎng)保護(hù)控制等方面分析了交直流混合供電方案中的關(guān)鍵技術(shù)。提出交直流混合供電中還未解決的課題,并對(duì)其應(yīng)用前景做出展望。
關(guān)鍵詞:交直流;直流配網(wǎng);分布式電源;運(yùn)行控制
中圖分類號(hào):TM464 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1007-3175(2016)03-0006-04
Key Technology of Alternating Current and Direct Current Hybrid Power Supply
DING Zhe, CHU Ting, OU Ya-hui, HUANG Zi-ping
(School of Electric Power Engineering, Nanjing Institute of Technology, Nanjing 211167, China)
Abstract: Direct current power has received extensive attention not only in high voltage direct current, but also in the fields of medium and low voltage distribution. This paper illustrated the key technology of alternating current and direct current hybrid power supply network from the aspects such as the topology of power supply network, the direct current bus structure and voltage classes of bus line, the power supply and equipment connection to direct current bus mode, the power supply network control strategy and protection of alternating current and direct current hybrid. Some unsolved tasks in alternating current and direct current hybrid power supply network were proposed and the application prospect of alternating current and direct current hybrid power supply network was expected.
Key words: alternating current and direct current hybrid; direct current distribution network; distributed generator; operation and control
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