Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN1007-3175

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蘇州某產(chǎn)業(yè)園區(qū)域交直流混合配電網(wǎng)控制方法研究

來源:電工電氣發(fā)布時間:2018-11-21 09:21 瀏覽次數(shù):567
蘇州某產(chǎn)業(yè)園區(qū)域交直流混合配電網(wǎng)控制方法研究
 
李斌1,金雪2,王輝2,姜彤1
(1 華北電力大學(xué) 電氣與電子工程學(xué)院,北京 102206;2 國網(wǎng)江蘇省電力有限公司蘇州供電分公司,江蘇 蘇州 215004)
 
    摘 要:交直流混合配電網(wǎng)因其兼具交流配電網(wǎng)和直流配電網(wǎng)的優(yōu)勢是未來的發(fā)展趨勢。介紹了蘇州某產(chǎn)業(yè)園區(qū)域交直流混合配電網(wǎng)結(jié)構(gòu)與運行特點,結(jié)合產(chǎn)業(yè)園區(qū)域交直流混合配電網(wǎng)實際網(wǎng)架結(jié)構(gòu)、運行原則以及運行方式等特點,給出了產(chǎn)業(yè)園區(qū)交直流混合配電網(wǎng)的協(xié)調(diào)控制方法,包括配電網(wǎng)正常運行、故障情況和離并網(wǎng)切換3種情況下的控制策略。提出的控制策略有利于提升供電能力,提高供電可靠性和電能質(zhì)量,實現(xiàn)多點同期與離網(wǎng)靈活切換和實現(xiàn)快速故障隔離與自愈,具有極強的推廣性。
    關(guān)鍵詞:交直流混合配電網(wǎng);網(wǎng)架結(jié)構(gòu);控制方法;離并網(wǎng)切換
    中圖分類號:TM727     文獻(xiàn)標(biāo)識碼:A     文章編號:1007-3175(2018)11-0016-06
 
Research on Control Methods of AC/DC Hybrid Distribution Network in Suzhou Industrial Park
 
LI Bin1, JIN Xue2, WANG Hui2, JIANG Tong1
(1 School of Electrical & Electronic Engineering, North China Electric Power University, Beijing 102206, China;
2 State Grid Jiangsu Power Company Suzhou Power Supply Bureau, Suzhou 215004, China)
 
    Abstract: AC / DC hybrid distribution network is a development trend in the future because it has advantages of both AC distribution network and DC distribution network. Introduction was made to the structure and operation characteristics of AC/DC hybrid distribution network in Suzhou industrial park.Combined with the actual grid structure, the operation principle and the operation mode etc features of AC/DC hybrid distribution network, the coordinated control methods of AC/DC hybrid distribution network in the industrial park were given under three conditions, including normal operation, failure condition and grid-connected/islanded transition.The proposed control strategy is beneficial to improve power supply capacity, to raise power supply reliability and to enhance power quality, which realizes multi-point synchronization and grid-connected/islanded flexible transition and achieves rapid fault isolation and self-healing, with very strong generalization performance.
    Key words: AC/DC hybrid distribution network; grid structure; control method; grid-connected/islanded transition
 
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