| 基于虚拟同步发电机的逆变器类电源频率特性及重塑技术 |
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| 引用本文： | 董存,陶以彬,张牟发,王士柏,桑丙玉,李志军,张家安. 基于虚拟同步发电机的逆变器类电源频率特性及重塑技术[J]. 电力建设, 2022, 43(2): 109-116. DOI: 10.12204/j.issn.1000-7229.2022.02.013 |
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| 作者姓名： | 董存 陶以彬 张牟发 王士柏 桑丙玉 李志军 张家安 |
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| 作者单位： | 国家电力调度控制中心,北京市100031;中国电力科学研究院有限公司,南京市210003;河北工业大学人工智能与数据科学学院,天津市300130;国网山东省电力公司电力科学研究院,济南市250003;省部共建电工装备可靠性与智能化国家重点实验室(河北工业大学) ,天津市300130 |
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| 基金项目： | 国家电网有限公司科技项目“配置储能的新能源场站并网调控关键技术研究及应用”(4000-202116062A-0-0-00)~~； |
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| 摘 要： | 由于微电网(microgrid,MG)内参与调频的逆变器类电源和传统同步机类电源的特性差异,会造成并列运行过渡过程品质恶化,并可能引发系统瓦解.针对这一问题,首先对两类分布式电源(distributed generator,DG)的频率特性进行了理论分析和仿真分析,明确了其频率特性差异;在此基础上,基于虚拟同步发电机(...
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| 关 键 词： | 分布式电源(DG) 同步发电机 逆变器 频率特性 虚拟同步发电机(VSG) |
| 收稿时间： | 2021-10-14 |
Frequency Characteristics and Reshaping Technology for Inveter-Based Generators Based on Virtual Synchronous Generator |
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| DONG Cun,TAO Yibin,ZHANG Moufa,WANG Shibai,SANG Bingyu,LI Zhijun,ZHANG Jiaan. Frequency Characteristics and Reshaping Technology for Inveter-Based Generators Based on Virtual Synchronous Generator[J]. Electric Power Construction, 2022, 43(2): 109-116. DOI: 10.12204/j.issn.1000-7229.2022.02.013 |
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| Authors: | DONG Cun TAO Yibin ZHANG Moufa WANG Shibai SANG Bingyu LI Zhijun ZHANG Jiaan |
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| Affiliation: | 1. National Electric Power Dispatching and Control Center, Beijing 100031, China2. China Electric Power Research Institute, Nanjing 210003, China3. School of Artificial Intelligence, Hebei University of Technology, Tianjin 300130, China4. State Grid Shandong Electric Power Research Institute, Jinan 250003, China5. State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, China |
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| Abstract: | The difference in frequency characteristics between inverter-based distributed generators(DGs)and traditional synchronous generator-based DGs involved in frequency regulation in the microgrid(MG)may cause deterioration of the transition process of parallel operation and may cause system collapse.Aiming at this problem,this paper firstly conducts theoretical analysis and simulation on the frequency characteristics of the two types of DGs,and clarifies the differences in frequency characteristics of them.On this basis,the frequency characteristics of inverter-based DGs are reshaped applying virtual synchronous generator(VSG)technology and classic control theory,and the influence of reshaping parameters is analyzed.Finally,the parallel operation characteristics after reshaping are verified by MATLAB simulation,which proves the feasibility and effectiveness of the proposed method. |
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| Keywords: | distributed generator(DG) synchronous generator inverter frequency characteristic virtual synchronous generator(VSG) |
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