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基于分布式滑??刂频奈㈦娋W(wǎng)二級(jí)電壓控制策略

來(lái)源:電工電氣發(fā)布時(shí)間:2024-07-03 08:03瀏覽次數(shù):304

基于分布式滑??刂频奈㈦娋W(wǎng)二級(jí)電壓控制策略

張偉,王志東,賈瓊
(國(guó)網(wǎng)山西省電力公司綜合服務(wù)中心,山西 太原 030021)
 
    摘 要:微電網(wǎng)是由分布式電源(DG)、負(fù)荷、儲(chǔ)能和控制裝置等構(gòu)成的可控系統(tǒng),能夠充分高效地利用分布式能源資源。提出了一種基于分布式滑??刂频奈㈦娋W(wǎng)二級(jí)電壓滑模控制方法,基于圖論和多智能體系統(tǒng)原理設(shè)計(jì)了分布式滑??刂破?,該滑??刂破魍ㄟ^(guò)通信網(wǎng)絡(luò)獲取與其相鄰分布式電源的電壓信息,并利用 Pade 近似方法對(duì)通信網(wǎng)絡(luò)中所產(chǎn)生的時(shí)間延遲進(jìn)行補(bǔ)償。在 MATLAB/Simulink 平臺(tái)中對(duì)該控制方法進(jìn)行仿真,驗(yàn)證了所提出二級(jí)電壓控制策略的有效性。
    關(guān)鍵詞: 微電網(wǎng);分布式;滑??刂?;圖論;多智能體系統(tǒng);通信網(wǎng)絡(luò)時(shí)延
    中圖分類號(hào):TM714.2 ;TM727     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2024)06-0029-06
 
Secondary Voltage Control Strategy of Microgrid Based on
Distributed Sliding Mode Control
 
ZHANG Wei, WANG Zhi-dong, JIA Qiong
(State Grid Shanxi Electric Power Company Comprehensive Service Center, Taiyuan 030021, China)
 
    Abstract: Microgrid is a controllable system composed of distributed generation (DG), load, energy storage and control devices, which can adequately and efficiently utilize distributed energy resources. In this paper, a secondary voltage sliding mode control method for microgrid based on distributed sliding mode control is proposed. A distributed sliding mode controller is designed under graph theory and multi-agent system principle, the sliding mode controller obtains voltage information of its adjacent distributed power supply through communication network and compensates the time delay generated in the communication network by using Pade approximation method. The control method is verified by simulation in MATLAB/Simulink platform, and the effectiveness of the proposed two-stage voltage control strategy is verified.
    Key words: microgrid; distributed; sliding mode control; graph theory; multi-agent system; communication network delay
 
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