[1]張國榮,王嘯飛,王盛.基于DBS的直流微電網能量協調控制策略研究[J].高壓電器,2018,54(03):162-168.[doi:10.13296/j.1001-1609.hva.2018.03.023]
 ZHANG Guorong,WANG Xiaofei,WANG Sheng.Energy Coordinated Control of DC Microgrid Based on DBS[J].High Voltage Apparatus,2018,54(03):162-168.[doi:10.13296/j.1001-1609.hva.2018.03.023]
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基于DBS的直流微電網能量協調控制策略研究()
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《高壓電器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第54卷
期數:
2018年03期
頁碼:
162-168
欄目:
研究與分析
出版日期:
2018-03-15

文章信息/Info

Title:
Energy Coordinated Control of DC Microgrid Based on DBS
作者:
張國榮1王嘯飛1王盛2
1. 合肥工業大學教育部光伏系統研究中心, 合肥 230009; 2. 國家電網安徽省電力公司調控中心, 合肥 230009
Author(s):
ZHANG Guorong1 WANG Xiaofei1 WANG Sheng2
1. Research Center for Photovoltaic System Engineering of Ministry of Education, Hefei University of Technology, Hefei 230009,China; 2. Electric Power Dispatching and Control Center, State Grid Anhui Electric Power Company, Hefei 230009, China
關鍵詞:
直流微電網 直流母線電壓 充換電站 能量協調 下垂控制
Keywords:
DC microgrid DC bus voltage charging and swapping station energy coordination droop control
DOI:
10.13296/j.1001-1609.hva.2018.03.023
文獻標志碼:
A
摘要:
隨著直流微電網系統的廣泛應用,其控制技術得到不斷關注。直流微電網系統由光伏陣列、電動汽車充換站、大電網及其接口變換器構成。針對其結構特點,采用一種能量協調控制策略以維持直流母線的電壓穩定。該控制策略根據直流微電網中母線電壓信息(DBS)進行運行模式劃分,不同運行模式下,直流微電網各單元的控制策略可進行無縫切換,實現系統協調自治。采用下垂控制實現對多個光伏陣列或者電動汽車蓄電池模塊的功率均分。仿真結果表明,直流母線電壓保持穩定的同時,直流微電網系統能夠在並離網不同模式間進行平滑切換,驗證了控制策略的可行性與有效性。
Abstract:
DC microgrid system consists of PV array,electric vehicle charging station,AC grid and its interface converters. In this paper,an energy coordinated control strategy is proposed according to the features of DC microgrid to maintain the stability of DC bus voltage. This strategy divides the operating modes according to DC bus signaling (DBS) in the microgrid,and the different control schemes for subsystems under different operating modes can be switched seamlessly to achieve coordinated autonomy of the whole system. The droop control is adopted to share power among photovoltaic arrays or electric vehicle battery modules. Simulation shows that DC microgrid system can smoothly switch between grid-connected and islanding modes in the condition of keeping DC bus voltage stable,which verifies the feasibility and effectiveness of the proposed control strategy.

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備注/Memo

備注/Memo:
收稿日期:2017- 08- 14; 修回日期:2017 - 10 - 18   基金項目:國家高技術研究發展計劃項目(863計劃)(2015AA050104);廣東省引進創新科研團隊計劃資助(2011N015)。   Project Supported by National High Technology Research and Development Program of China(863 Program) (2015AA050104),the Introduction of Innovative Research Team Program in Guangdong Province(2011N015).張國榮(1963—),男,研究員,博士生導師,主要研究方向爲電能質量控制、直流微電網、儲能系統中的電力變換、電力電子中的計算機控制技術等。   王嘯飛(1991—),男,碩士研究生,研究方向直流微電網技術、電力變換技術。   王 盛(1990—),男,助理工程師,主要從事電力系統潮流、穩定計算分析工作。
更新日期/Last Update: 2018-02-25