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

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基于LBC的改進型直流配電網(wǎng)下垂控制策略

來源:電工電氣發(fā)布時間:2025-04-03 13:03 瀏覽次數(shù):4

基于LBC的改進型直流配電網(wǎng)下垂控制策略

孫希盈,夏杰,張宏濱,宋柯,申鵬飛,張明崗
(國網(wǎng)山東省電力公司濰坊供電公司,山東 濰坊 262500)
 
    摘 要:電壓下垂控制作為一種完全的分布式控制策略,被應用到直流配電網(wǎng)中。為降低集中控制中實時高頻通信對系統(tǒng)可靠性的影響,又兼顧分布式控制的靈活性,提出一種基于低帶寬通信(LBC)的改進下垂控制策略,通過 LBC 網(wǎng)絡,引入平均電壓控制器和平均電流控制器,對傳統(tǒng)的下垂控制進行改進。在 MATLAB/Simulink 軟件中建立直流配電網(wǎng)模型進行驗證,結(jié)果證明所提控制方法能夠滿足低壓直流配電網(wǎng)對分布式電源接入的要求,是一種有效的協(xié)調(diào)控制策略。
    關(guān)鍵詞: 直流配電網(wǎng);低帶寬通信;電壓穩(wěn)定;電流分配;下垂控制
    中圖分類號:TM732     文獻標識碼:A     文章編號:1007-3175(2025)03-0016-05
 
Improved DC Distribution Network Droop Control Strategy Based on LBC
 
SUN Xi-ying, XIA Jie, ZHANG Hong-bin, SONG Ke, SHEN Peng-fei, ZHANG Ming-gang
(Weifang Power Supply Company of State Grid Shandong Electric Power Company, Weifang 262500, China)
 
    Abstract: Voltage droop control is applied to DC distribution networks as a fully distributed control strategy. In order to reduce the impact of real-time high-frequency communication on system reliability in centralized control, while taking into account the flexibility of distributed control, an improved droop control strategy based on low-bandwidth communication (LBC) is proposed to improve the traditional droop control by introducing an average voltage controller and an average current controller through the LBC network. A DC distribution network model is established in MATLAB/Simulink software for validation, and the results prove that the proposed control method can meet the requirements of low-voltage DC distribution network for distributed power access, and is an effective coordinated control strategy.
    Key words: DC distribution network; low-bandwidth communication; voltage stability; current distribution; droop control
 
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