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

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基于微網參與的配電網分區的研究

來源:電工電氣發布時間:2020-07-16 16:16 瀏覽次數:297
基于微網參與的配電網分區的研究
 
余磊1,陳庚2,周卓3
(1 華北電力大學 電氣與電子工程學院,北京 102206;2 太原理工大學 電氣與動力工程學院,山西 太原 030024;
3 遼寧大學 輕型產業學院,遼寧 沈陽 110036)
 
    摘 要:隨著微網的不斷接入,其出力的隨機性與間歇性給配電網的電壓控制帶來了挑戰。提出了無功- 電壓靈敏度的概念,并形成了考慮微網無功出力對配電網節點電壓影響的微網無功控制空間矩陣,根據得到的微網無功控制空間矩陣利用層次聚類分析的方法對配電網進行分區,并以IEEE 33節點系統為例,基于MATLAB Simulink軟件對微電網并網下的無功控制能力進行仿真,重點討論負荷突增和突減兩種情況下微網對其所在區域內的節點電壓調整過程,驗證了無功控制分區的合理性。
    關鍵詞:微網;無功控制空間矩陣;層次聚類;配電網
    中圖分類號:TM727     文獻標識碼:A     文章編號:1007-3175(2020)07-0009-04
 
Research on Distribution Network Partitioning Based on Micronetwork Participation
 
YU Lei1, CHEN Geng2, ZHOU Zhuo3
(1 School of Electrical and Electronic Engineering, North China Electric Power University ,Beijing 102206, China;
2 College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan 030024, China;
3 Light Industry College of Liaoning University, Shenyang 11 0036, China)
 
    Abstract: With the continuous access of the microgrid, the randomness and intermittence of its output have brought challenges to the voltage control of the distribution network. The concept of reactive power-voltage sensitivity is proposed, and a reactive power control space matrix of microgrid is considered considering the effect of microgrid reactive power output on node voltage of distribution network. According to the obtained micro-grid reactive power control space matrix, the hierarchical clustering analysis method is used to partition the distribution network. Finally, taking IEEE 33 Node System as an example, based on MATLAB Simulink simulates the reactive power control capability under microgrid interconnection. It focuses on the analysis of the voltage adjustment process of the nodes in the microgrid, under the condition of sudden load increase and sudden load decrease, and verifies the rationality of the reactive power control partition.
    Key words: microgrid; reactive control space matrix; hierarchical clustering; distribution network
 
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