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

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環(huán)網(wǎng)型柔性多狀態(tài)開關(guān)混成切換控制策略

來源：電工電氣發(fā)布時(shí)間：2022-08-29 14:29 瀏覽次數(shù)：463

環(huán)網(wǎng)型柔性多狀態(tài)開關(guān)混成切換控制策略

蘇乾坤1，粟時(shí)平1，倪亮1，歐陽琦2，羅軍杰1，李志軒1
(1 長沙理工大學(xué) 電氣與信息工程學(xué)院，湖南 長沙 410114；
2 國網(wǎng)江西省電力有限公司吉安縣供電分公司，江西 吉安 343000)
 
    摘 要：傳統(tǒng)放射型柔性多狀態(tài)開關(guān) (SOP) 直流母線一旦故障會(huì)導(dǎo)致整個(gè)裝置失效。提出了環(huán)網(wǎng)型 SOP 的接入方式，來解決直流側(cè)故障問題，還能在控制各端口間功率傳輸?shù)耐瑫r(shí)，實(shí)現(xiàn)無功補(bǔ)償、諧波抑制和三相不平衡抑制等電能質(zhì)量調(diào)節(jié)作用。對環(huán)網(wǎng)型三端口 SOP 數(shù)學(xué)模型和控制方式進(jìn)行了分析，設(shè)計(jì)了各端口在不同控制模式下的控制器，并用混成切換控制理論設(shè)計(jì)了環(huán)網(wǎng)型三端口 SOP 的控制策略，使其能很好地實(shí)現(xiàn)故障恢復(fù)以及電能質(zhì)量調(diào)節(jié)作用。在 MATLAB/Simulink 中搭建仿真模型，仿真結(jié)果驗(yàn)證了所提方案的有效性和可行性。
    關(guān)鍵詞： 柔性多狀態(tài)開關(guān)；柔性互聯(lián)；潮流調(diào)控；環(huán)網(wǎng)型；混成切換控制
    中圖分類號(hào)：TM564 ；TM727     文獻(xiàn)標(biāo)識(shí)碼：A     文章編號(hào)：1007-3175(2022)08-0008-09
 
Hybrid Switching Control Strategy of Ring Network
Type Flexible Multi-State Switch
 
SU Qian-kun1, SU Shi-png1, NI Liang1, OUYANG Qi2, LUO Jun-jie1, LI Zhi-xuan1
（1 School of Electrical & Information Engineering, Changsha University of Science & Technology, Changsha 410114, China;
2 Ji’an Power Supply Branch, State Grid Jiangxi Electric Power Co., Ltd, Ji’an 343000, China）
 
    Abstract: The entire device will fail if the traditional radial SOP DC bus fails. This paper proposed a way of access of ring network type SOP to solve the problem of DC fault. It could control the power transmission between ports and play a role in power quality regulation, such as achieving reactive power compensation, harmonic suppression, three-phase imbalance suppression. This research analyzed the mathematical model and control mode of ring network three-port type SOP and designed the controller of each port in different control modes. Moreover,it created the control strategy of ring network three-port type SOP by using the theory of hybrid switching control and helped achieve better fault recovery and power quality regulation. A simulation model was constructed in MATLAB/Simulink, and the simulation results verified the effectiveness and feasibility of the proposed solution.
    Key words: flexible multi-state switch; flexible interconnection; trend control; ring network type; hybrid switching control
 
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