CSEE Journal of Power and Energy Systems最新文献

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Transient Voltage Support Strategy of Grid-Forming Medium Voltage Photovoltaic Converter in the LCC-HVDC System LCC-HVDC 系统中并网型中压光伏逆变器的瞬态电压支持策略
IF 6.9 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-09-19 DOI: 10.17775/CSEEJPES.2024.00600
Hong Lu;Xianyong Xiao;Guangfu Tang;Zhiyuan He;Zhiguang Lin;Chong Gao;Zixuan Zheng
{"title":"Transient Voltage Support Strategy of Grid-Forming Medium Voltage Photovoltaic Converter in the LCC-HVDC System","authors":"Hong Lu;Xianyong Xiao;Guangfu Tang;Zhiyuan He;Zhiguang Lin;Chong Gao;Zixuan Zheng","doi":"10.17775/CSEEJPES.2024.00600","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2024.00600","url":null,"abstract":"The participation of photovoltaic (PV) plants in supporting the transient voltage caused by commutation failure in the line-commutated-converter-based high voltage direct current (LCC-HVDC) system is of great significance, as it can enhance the DC transmission ability. However, it is found that the grid-following (GFL) PV converters face the problem of mismatch between reactive power response and transient voltage characteristic when the voltage converts from low voltage to overvoltage, further aggravating the overvoltage amplitude. Thus, this article proposes a transient voltage support strategy based on the grid-forming (GFM) medium voltage PV converter. The proposed strategy takes the advantage of the close equivalent electrical distance between the converter and grid, which can autonomously control the converter terminal voltage through GFM control with adaptive voltage droop coefficient. The simulation results show that the proposed strategy can ensure the output reactive power of the PV converter quickly matches the transient voltage characteristic at different stages, indicating that the proposed strategy can effectively support the transient voltage.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10684468","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142397515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PFL-DSSE: A Personalized Federated Learning Approach for Distribution System State Estimation PFL-DSSE:用于配电系统状态估计的个性化联合学习方法
IF 6.9 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-07-24 DOI: 10.17775/CSEEJPES.2023.08830
Huayi Wu;Zhao Xu;Jiaqi Ruan;Xianzhuo Sun
{"title":"PFL-DSSE: A Personalized Federated Learning Approach for Distribution System State Estimation","authors":"Huayi Wu;Zhao Xu;Jiaqi Ruan;Xianzhuo Sun","doi":"10.17775/CSEEJPES.2023.08830","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2023.08830","url":null,"abstract":"A centralized framework-based data-driven framework for active distribution system state estimation (DSSE) has been widely leveraged. However, it is challenged by potential data privacy breaches due to the aggregation of raw measurement data in a data center. A personalized federated learning-based DSSE method (PFL-DSSE) is proposed in a decentralized training framework for DSSE. Experimental validation confirms that PFL-DSSE can effectively and efficiently maintain data confidentiality and enhance estimation accuracy.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10609318","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142408766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Data-Driven Fault Detection of Multiple Open-Circuit Faults for MMC Systems Based on Long Short-Term Memory Networks 基于长短期记忆网络的 MMC 系统多重开路故障数据驱动型故障检测
IF 6.9 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-03-03 DOI: 10.17775/CSEEJPES.2022.05990
Chenxi Fan;Kaishun Xiahou;Lei Wang;Q. H. Wu
{"title":"Data-Driven Fault Detection of Multiple Open-Circuit Faults for MMC Systems Based on Long Short-Term Memory Networks","authors":"Chenxi Fan;Kaishun Xiahou;Lei Wang;Q. H. Wu","doi":"10.17775/CSEEJPES.2022.05990","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2022.05990","url":null,"abstract":"This paper presents a long short-term memory (LSTM)-based fault detection method to detect the multiple open-circuit switch faults of modular multilevel converter (MMC) systems with full-bridge sub-modules (FB-SMs). Eighteen sensor signals of grid voltages, grid currents and capacitance voltages of MMC for single and multi-switch faults are collected as sampling data. The output signal characteristics of four types of single switch faults of FB-SM, as well as double switch faults in the same and different phases of MMC, are analyzed under the conditions of load variations and control command changes. A multi-layer LSTM network is devised to deeply extract the fault characteristics of MMC under different faults and operation conditions, and a Softmax layer detects the fault types. Simulation results have confirmed that the proposed LSTM-based method has better detection performance compared with three other methods: K-nearest neighbor (KNN), naive bayes (NB) and recurrent neural network (RNN). In addition, it is highly robust to model uncertainties and Gaussian noise. The validity of the proposed method is further demonstrated by experiment studies conducted on a hardware-in-the-loop (HIL) testing platform.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10520155","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141966191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interaction Quantification of MTDC Systems Connected with Weak AC Grids 与弱交流电网连接的 MTDC 系统的相互作用量化
IF 6.9 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-03-03 DOI: 10.17775/CSEEJPES.2022.08260
Wanning Zheng;Jiabing Hu;Li Chai;Bing Liu;Zixia Sang
{"title":"Interaction Quantification of MTDC Systems Connected with Weak AC Grids","authors":"Wanning Zheng;Jiabing Hu;Li Chai;Bing Liu;Zixia Sang","doi":"10.17775/CSEEJPES.2022.08260","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2022.08260","url":null,"abstract":"The small-signal stability of multi-terminal high voltage direct current (HVDC) systems has become one of the vital issues in modern power systems. Interactions among voltage source converters (VSCs) have a significant impact on the stability of the system. This paper proposes an interaction quantification method based on the self-/en-stabilizing coefficients of the general \u0000<tex>$boldsymbol{N}-mathbf{terminal}$</tex>\u0000 HVDC system with a weak AC network connection. First, we derive the explicit formulae of self-/en-stabilizing coefficients for any \u0000<tex>$boldsymbol{N}-mathbf{terminal}$</tex>\u0000 HVDC system, which can quantify the interactions through different paths analytically. The relation between the self-/en-stabilizing coefficients and the poles of the system can be used to evaluate the impact of the interactions on the system stability effectively. Then, we employ the obtained formulae to analyze the parameter sensitivity and explain how a parameter affects the stability of the system through different paths of interactions. Finally, extensive examples are given to demonstrate the effectiveness of the proposed method.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10520204","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142397361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Proactive Resilience Enhancement of Power Systems with Link Transmission Model-Based Dynamic Traffic Assignment Among Electric Vehicles 利用基于链路传输模型的电动汽车动态交通分配,主动增强电力系统的复原力
IF 7.1 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-03-03 DOI: 10.17775/CSEEJPES.2022.07470
Haoyuan Yan;Tianyang Zhao;Zhanglei Guan
{"title":"Proactive Resilience Enhancement of Power Systems with Link Transmission Model-Based Dynamic Traffic Assignment Among Electric Vehicles","authors":"Haoyuan Yan;Tianyang Zhao;Zhanglei Guan","doi":"10.17775/CSEEJPES.2022.07470","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2022.07470","url":null,"abstract":"The rapid development of electric vehicles (EVs) is strengthening the bi-directional interactions between electric power networks (EPNs) and transportation networks (TNs) while providing opportunities to enhance the resilience of power systems towards extreme events. To quantify the temporal and spatial flexibility of EVs for charging and discharging, a novel dynamic traffic assignment (DTA) problem is proposed. The DTA problem is based on a link transmission model (LTM) with extended charging links, depicting the interaction between EVs and power systems. It models the charging rates as continuous variables by an energy boundary model. To consider the evacuation requirements of TNs and the uncertainties of traffic conditions, the DTA problem is extended to a two-stage distributionally robust version. It is further incorporated into a two-stage distributionally robust unit commitment problem to balance the enhancement of EPNs and the performance of TNs. The problem is reformulated into a mixed-integer linear programming problem and solved by off-the-shelf commercial solvers. Case studies are performed on two test networks. The effectiveness is verified by the numerical results, e.g., reducing the load shedding amount without increasing the unmet traffic demand.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":7.1,"publicationDate":"2024-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10520179","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141304077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recycling of Silicone Rubber from Composite Insulator with Pyrolysis Method 用热解法回收复合绝缘体中的硅橡胶
IF 6.9 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-03-03 DOI: 10.17775/CSEEJPES.2022.05800
Ruiqi Shang;Liming Wang;Fanghui Yin;Masoud Farzaneh
{"title":"Recycling of Silicone Rubber from Composite Insulator with Pyrolysis Method","authors":"Ruiqi Shang;Liming Wang;Fanghui Yin;Masoud Farzaneh","doi":"10.17775/CSEEJPES.2022.05800","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2022.05800","url":null,"abstract":"Composite insulators have been widely used in transmission lines. After being removed from transmission lines, their housing silicone material cannot degrade naturally. To tackle this problem, this paper proposes an effective method to recycle waste insulators by pyrolysis to obtain mullite \u0000<tex>$(mathbf{3}mathbf{Al}_{2}mathbf{O}_{3}cdot mathbf{2}mathbf{SiO}_{2})$</tex>\u0000 with high purity and compact structure. The recycling process studied will not generate toxic products. The thermal degradation process of housing material is investigated by analyzing its degradation products including the gas and residues in detail. The experimental results indicate that the colorant agent Fe\u0000<inf>2</inf>\u0000O\u0000<inf>3</inf>\u0000 inside the housing material is beneficial for the generation of mullite by decreasing the temperature of mullitization. Besides, since the transitional alumina generated by the dehydration of aluminum hydroxide (ATH) has a smaller diameter and can better dissolute into the silica phases, ATH is a better choice as the additional aluminum resource. By comparing the components, structure, and particle size of grains formed at different calcination temperatures, the proposed pyrolysis temperatures of the two stages are 1400°C and 1600°C, respectively.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10520158","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141966281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment and Enhancement of FRC of Power Systems Considering Thermal Power Dynamic Conditions 考虑热功率动态条件的电力系统 FRC 评估与改进
IF 6.9 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-03-03 DOI: 10.17775/CSEEJPES.2023.04990
Feng Hong;Yalei Pang;Weiming Ji;Lu Liang;Fang Fang;Junhong Hao;Jizhen Liu
{"title":"Assessment and Enhancement of FRC of Power Systems Considering Thermal Power Dynamic Conditions","authors":"Feng Hong;Yalei Pang;Weiming Ji;Lu Liang;Fang Fang;Junhong Hao;Jizhen Liu","doi":"10.17775/CSEEJPES.2023.04990","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2023.04990","url":null,"abstract":"Frequency stability and security have been a vital challenge as large-scale renewable energy is integrated into power systems. In contrast, the proportion of traditional thermal power units decreases during the decarbonization transformation process, resulting in poor frequency support. This paper aims to explore the potential of frequency regulation support, dynamic assessment, and capacity promotion of thermal power plants in the transition period. Considering the dynamic characteristics of the main steam working fluid under different working conditions, a nonlinear observer is constructed by extracting the main steam pressure and valve opening degree parameters. The real-time frequency modulation capacity of thermal power units can provide a dynamic state for the power grid. A dynamic adaptive modification for primary frequency control (PFC) of power systems, including wind power and thermal power, is proposed and improved. The power dynamic allocation factor is adaptively optimized by predicting the speed droop ratio, and the frequency modulation capability of the system is improved by more than 11% under extreme conditions. Finally, through the Monte Carlo simulation of unit states of the system under various working conditions, the promotion of the frequency regulation capacity with high wind power penetration (WPP) is verified.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10520152","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141966166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Resilience-oriented Hardening and Expansion Planning of Transmission System Under Hurricane Impact 飓风影响下以复原力为导向的输电系统加固和扩建规划
IF 6.9 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-02-27 DOI: 10.17775/CSEEJPES.2022.07300
Jing Zhou;Heng Zhang;Haozhong Cheng;Shenxi Zhang;Lu Liu;Zheng Wang;Xiaohu Zhang
{"title":"Resilience-oriented Hardening and Expansion Planning of Transmission System Under Hurricane Impact","authors":"Jing Zhou;Heng Zhang;Haozhong Cheng;Shenxi Zhang;Lu Liu;Zheng Wang;Xiaohu Zhang","doi":"10.17775/CSEEJPES.2022.07300","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2022.07300","url":null,"abstract":"In this paper, we propose a two-stage transmission hardening and planning (TH&P) model that can meet the load growth demand of normal scenarios and the resilience requirements of hurricane-induced damage scenarios. To better measure the resilience requirements, the proposed TH&P model includes two resilience assessment indexes, namely, the load shedding (LS) under the damage scenario and the average connectivity degree (ACD) at different stages. The first-stage model, which aims to meet the load growth demand while minimizing the LS, is formulated as a mixed-integer linear program (MILP) to minimize the total planning and hardening cost of transmission lines, the operating cost of generators, and the penalty cost of wind power and load shedding in both normal and damage scenarios. The second-stage model aims to further improve the ACD when the ACD of the scheme obtained from the first-stage model cannot reach the target. Specifically, the contribution of each transmission line to the ACD is calculated, and the next hardened line is determined to increase the ACD. This process is repeated until the ACD meets the requirements. Case studies of the modified IEEE RTS-24 and two-area IEEE reliability test system-1996 indicate the proposed TH&P model can meet the requirements for both normal and damage scenarios.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10452306","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141966283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-Period Resilient Model for VSC-Based AC-DC HDS Considering Public-Safety Power Shutoff to Mitigate Wildfires 考虑公共安全停电以缓解野火的基于 VSC 的交直流 HDS 多周期弹性模型
IF 7.1 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-02-27 DOI: 10.17775/CSEEJPES.2022.05090
Zekai Wang;Tao Ding;Xiaosheng Zhang;Chenggang Mu;Pengwei Du;Fangxing Li
{"title":"Multi-Period Resilient Model for VSC-Based AC-DC HDS Considering Public-Safety Power Shutoff to Mitigate Wildfires","authors":"Zekai Wang;Tao Ding;Xiaosheng Zhang;Chenggang Mu;Pengwei Du;Fangxing Li","doi":"10.17775/CSEEJPES.2022.05090","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2022.05090","url":null,"abstract":"This paper proposes a voltage source converter (VSC) -based AC-DC hybrid distribution system (HDS) resilient model to mitigate power outages caused by wildfires. Before a wildfire happens, the public-safety power shutoff (PSPS) strategy is applied to actively cut some vulnerable lines which may easily cause wildfires, and reinforce some lines that are connected to critical loads. To mitigate load shedding caused by active line disconnection in the PSPS strategy, network reconfiguration is applied before the wildfire occurrence. During the restoration period, repair crews (RCs) repair faulted lines, and network reconfiguration is also taken into consideration in the recovery strategy to pick up critical loads. Since there exists possible errors in the wildfire prediction, several different scenarios of wildfire occurrence have been taken into consideration, leading to the proposition of a stochastic multi-period resilient model for the VSC-based AC-DC HDS. To accelerate the computational performance, a progressive hedging algorithm has been applied to solve the stochastic model which can be written as a mixed-integer linear program. The proposed model is verified on a 106-bus AC-DC HDS under wildfire conditions, and the result shows the proposed model not only can improve the system resilience but also accelerate computational speed.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":7.1,"publicationDate":"2024-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10452302","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140351540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy 考虑到可再生能源影响的直流故障扰动下的发送系统过电压计算方法
IF 6.9 2区 工程技术
CSEE Journal of Power and Energy Systems Pub Date : 2024-02-27 DOI: 10.17775/CSEEJPES.2023.00290
Haoyue Gong;Jianbo Guo;Qiang Guo;Jian Zhang;Qinyong Zhou;Libo Zhang
{"title":"Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy","authors":"Haoyue Gong;Jianbo Guo;Qiang Guo;Jian Zhang;Qinyong Zhou;Libo Zhang","doi":"10.17775/CSEEJPES.2023.00290","DOIUrl":"https://doi.org/10.17775/CSEEJPES.2023.00290","url":null,"abstract":"Bipolar blocking and commutation failure in the renewable energy transmission system through ultra-high voltage direct current will produce significant temporary overvoltage. This paper analyzes the physical process of sending end grid overvoltage caused by two types of DC faults and establishes a DC overvoltage model considering renewable energy sources. According to characteristics of the sending end grid, the influence of the system equivalent impedance, the proportion of renewable energy output, the active and reactive power coefficients of the renewable energy sources during the low voltage ride through process on the overvoltage is analyzed respectively, and the relationship between the proportion of renewable energy output and the short-circuit ratio under the overvoltage constraint is constructed. The validity and practicality of the model and analysis method proposed in this paper are verified by combining the typical transmission system at the sending end of the actual power grid and regional power grid systems.","PeriodicalId":10729,"journal":{"name":"CSEE Journal of Power and Energy Systems","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10452328","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142397518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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