Article(id=1154429042632676270, tenantId=1146029695717560320, journalId=1146119893612605453, issueId=1154429037721146272, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1688313600000, receivedDateStr=2023-07-03, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753166932017, onlineDateStr=2025-07-22, pubDate=1710864000000, pubDateStr=2024-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753166932017, onlineIssueDateStr=2025-07-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753166932017, creator=13701087609, updateTime=1753166932017, updator=13701087609, issue=Issue{id=1154429037721146272, tenantId=1146029695717560320, journalId=1146119893612605453, year='2024', volume='42', issue='3', pageStart='284', pageEnd='426', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753166930847, creator=13701087609, updateTime=1753694626061, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156642351918469663, tenantId=1146029695717560320, journalId=1146119893612605453, issueId=1154429037721146272, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156642351918469664, tenantId=1146029695717560320, journalId=1146119893612605453, issueId=1154429037721146272, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=397, endPage=406, ext={EN=ArticleExt(id=1154429043102438329, articleId=1154429042632676270, tenantId=1146029695717560320, journalId=1146119893612605453, language=EN, title=Study on high penetration wind power integration and transient voltage stability in power grid using CNN-LSTM with attention mechanism, columnId=null, journalTitle=Renewable Energy Resources, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to achieve rapid and accurate assessment of transient voltage stability in the power system following the integration of wind farms into the grid, a transient stability assessment metric is proposed based on Convolutional Neural NetworksLong ShortTerm Memory (CNNLSTM) and attention mechanisms. To better capture spatial and temporal correlations in the input data, feature dimensionality reduction is carried out using Kernel Principal Component Analysis (KPCA). Addressing challenges related to decreased shortcircuit capacity and increased shortcircuit current levels in highproportion renewable energy grids, an active support measure is introduced by installing superconducting fault current limiters to restrict shortcircuit current levels during fault processes and maintain voltage stability at grid connection points. Finally, simulations and data collection are performed on an IEEE39 node system with wind power integration using PSDBPA. The results indicate that the KPCA approach effectively screens features of significant importance in the transient stability assessment of power systems. The proposed evaluation metric demonstrates higher discriminative capability, and the suggested improvement measures are observed to play a positive role in enhancing transient voltage stability in highproportion wind power integration systems.
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为了能够快速且精确地判断出风电场接入电网后系统暂态电压稳定性,文章基于注意力机制提出一种卷积长短时记忆网络(Convolutional Neural NetworksLong ShortTerm Memory, CNNLSTM)暂态稳定评估指标。为了更好地捕捉输入数据中空间和时间的相关性,基于核主成分分析(Kernel Principal Component Analysis, KPCA)进行特征降维;针对高比例的新能源电网中,整个系统的短路容量下降、短路电流水平攀升问题,提出了安装超导故障限流器的主动支撑措施,限制故障过程短路电流水平,维持并网点电压稳定。最后,在PSDBPА中搭建含风电的IEEE39节点系统进行仿真计算和数据采集。结果表明,KPCA方案能有效筛选电力系统暂态稳定评估中重要度高的特征,所提评估指标具有更高的辨识能力,所提改进措施对高比例风电并网系统暂态电压稳定具有积极作用。
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张红颖(1992-),女,硕士,工程师,主要从事新能源并网控制及大电网仿真分析工作。E-mail: zhanghongying@epri.sgcc.com.cn。
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2020., articleTitle=Ghostnet: more features from cheap operations, refAbstract=null)], funds=[Fund(id=1154429093174039123, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, awardId=5100-202255379A-2-0-ZN, language=CN, fundingSource=国家电网有限公司科技项目(5100-202255379A-2-0-ZN), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1154429088849711524, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, xref=1, ext=[AuthorCompanyExt(id=1154429088858100133, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, companyId=1154429088849711524, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 China Electric Power Research Institute Co., Ltd. Nanjing 210037 China), AuthorCompanyExt(id=1154429088862294438, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, companyId=1154429088849711524, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 中国电力科学研究院有限公司 江苏 南京 210037)]), AuthorCompany(id=1154429088925209000, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, xref=2, ext=[AuthorCompanyExt(id=1154429088929403305, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, companyId=1154429088925209000, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 School of Mechanical Engineering University of Shanghai for Science and Technology Shanghai 200093 China), AuthorCompanyExt(id=1154429088933597610, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, companyId=1154429088925209000, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 上海理工大学 机械工程学院 上海 200093)])], figs=[ArticleFig(id=1154429091005583880, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Fig. 1, caption=
The specific structure of the channel attention mechanism, figureFileSmall=Qn+XqrW36enJ57oUuWGVuQ==, figureFileBig=3zPsUoRPaLPbp97V+1lc1g==, tableContent=null), ArticleFig(id=1154429091072692746, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=图 1, caption=
通道注意力机制具体结构, figureFileSmall=Qn+XqrW36enJ57oUuWGVuQ==, figureFileBig=3zPsUoRPaLPbp97V+1lc1g==, tableContent=null), ArticleFig(id=1154429091131413006, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Fig. 2, caption=
Transient voltage stability evaluation process, figureFileSmall=xSywpUTwL39SFiiCD1Z4rA==, figureFileBig=rkFQdHB2mpTQQLil24ssdw==, tableContent=null), ArticleFig(id=1154429091181744655, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=图 2, caption=
暂态电压稳定评估流程, figureFileSmall=xSywpUTwL39SFiiCD1Z4rA==, figureFileBig=rkFQdHB2mpTQQLil24ssdw==, tableContent=null), ArticleFig(id=1154429091232076305, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Fig. 3, caption=
Superconducting fault current limiter layout diagram, figureFileSmall=g54Q6EG6mb1hayf3jt7hkw==, figureFileBig=/cQDY3SwSSE5ejXQriRg1g==, tableContent=null), ArticleFig(id=1154429091278213651, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=图 3, caption=
超导故障限流器布置示意图, figureFileSmall=g54Q6EG6mb1hayf3jt7hkw==, figureFileBig=/cQDY3SwSSE5ejXQriRg1g==, tableContent=null), ArticleFig(id=1154429091345322520, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Fig. 4, caption=
Equivalent circuit of superconducting fault current limiter in normal operation, figureFileSmall=kJtJ+vy7enXUDxTbao7Kxg==, figureFileBig=FqG3wvHL8kKsn8W+O9DQqg==, tableContent=null), ArticleFig(id=1154429091408237083, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=图 4, caption=
系统正常运行时超导故障限流器等效电路, figureFileSmall=kJtJ+vy7enXUDxTbao7Kxg==, figureFileBig=FqG3wvHL8kKsn8W+O9DQqg==, tableContent=null), ArticleFig(id=1154429091479540254, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Fig. 5, caption=
Simplified equivalent circuit, figureFileSmall=xjoWNqFzJqH1pFQ67XLscw==, figureFileBig=uC6uhAB6/EixHeLY7z7QqA==, tableContent=null), ArticleFig(id=1154429091559232032, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=图 5, caption=
化简等值电路, figureFileSmall=xjoWNqFzJqH1pFQ67XLscw==, figureFileBig=uC6uhAB6/EixHeLY7z7QqA==, tableContent=null), ArticleFig(id=1154429091622146595, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Fig. 6, caption=
Topology of the fan connected to the IEEE39 nodes, figureFileSmall=aIeoSAP7xEPOkkPWAIWoig==, figureFileBig=AOspOTgIa2djM/+Ddu8PWw==, tableContent=null), ArticleFig(id=1154429091689255460, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=图 6, caption=
风机接入 IEEE39 节点系统拓扑图, figureFileSmall=aIeoSAP7xEPOkkPWAIWoig==, figureFileBig=AOspOTgIa2djM/+Ddu8PWw==, tableContent=null), ArticleFig(id=1154429091768947240, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Fig. 7, caption=
Transient voltage stability under large disturbance, figureFileSmall=7UH/6kkxr3ZZ1fCSpAbKMQ==, figureFileBig=CXUC7oeUK3wczbnGQBjYmw==, tableContent=null), ArticleFig(id=1154429091831861802, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=图 7, caption=
大扰动情况下暂态电压稳定性, figureFileSmall=7UH/6kkxr3ZZ1fCSpAbKMQ==, figureFileBig=CXUC7oeUK3wczbnGQBjYmw==, tableContent=null), ArticleFig(id=1154429091907359275, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Fig. 8, caption=
Transient voltage instability under large disturbance, figureFileSmall=dTXF1WM6AJjUouimX2rZPg==, figureFileBig=6LjtnFEz4zMV/DThR+dVDw==, tableContent=null), ArticleFig(id=1154429091978662446, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=图 8, caption=
大扰动情况下暂态电压不稳定性, figureFileSmall=dTXF1WM6AJjUouimX2rZPg==, figureFileBig=6LjtnFEz4zMV/DThR+dVDw==, tableContent=null), ArticleFig(id=1154429092054159920, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Fig. 9, caption=
Test results of the estimated model, figureFileSmall=HzayT4vIqT+2ffLrvgKdYA==, figureFileBig=a4lWsFsdqtfwgCRLVpdAXw==, tableContent=null), ArticleFig(id=1154429092112880178, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=图 9, caption=
各评估模型分辨准确率测试结果, figureFileSmall=HzayT4vIqT+2ffLrvgKdYA==, figureFileBig=a4lWsFsdqtfwgCRLVpdAXw==, tableContent=null), ArticleFig(id=1154429092167406133, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Table 1, caption=
Original feature set, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 特征属性 |
| 特征 1 | 故障前后,系统的总能量调整 {x}_{1} |
| 特征 2 | 故障的瞬间,双馈风机受到的最大有功功率冲击 {x}_{2} |
| 特征 3 | 故障的瞬间,双馈风机受到的最小有功功率冲击 {x}_{3} |
| 特征 4 | 故障的瞬间,双馈风机加速功率的平均值 {x}_{4} |
| 特征 5 | 故障的瞬间,最大加速度的发电机的相对初始角度 {x}_{5} |
| 特征 6 | 故障的瞬间,双馈风机转子加速度的最大值 {x}_{6} |
| 特征 7 | 故障的瞬间,双馈风机转子加速度的方差 {x}_{7} |
| 特征 8 | 故障切除时,最大转子角度的双馈风机转子动能 {x}_{8} |
| 特征 9 | 故障切除时,对系统的有功冲击 {x}_{9} |
| 特征 10 | 故障切除时,双馈风机转子加速功率的平均值 {x}_{10} |
| 特征 11 | 故障切除时,最大转子动能的发电机转子角度 {x}_{11} |
| 特征 12 | 故障切除时,转角与惯性中心角相差的最大值 {x}_{12} |
| 特征 13 | 故障切除时,双馈风机与惯性中心最大转速差值 {x}_{13} |
| 特征 14 | 故障切除时,双馈风机角速度最大值与最小值之差 {x}_{14} |
| 特征 15 | 故障切除时,双馈风机的转子动能最大值 {x}_{15} |
| 特征 16 | 故障切除时,双馈风机转子动能的平均值 ${x}_{16}$ |
| 特征 17 | 故障切除时,双馈风机转子的最大加速度之差 ${x}_{17}$ |
| 特征 18 | 故障切除时,双馈风机转子动能的最大差值 ${x}_{18}$ |
| 特征 19 | 故障后,各节点电压幅值之和的平均值 ${x}_{19}$ |
| 特征 20 | 故障后,各节点电压相角之和的平均值 ${x}_{20}$ |
| 特征 21 | 故障后,各双馈风机有功功率之和的平均值 ${x}_{21}$ |
| 特征 22 | 故障后,各双馈风机无功功率之和的平均值 ${x}_{22}$ |
| 特征 23 | 故障后,各双馈风机功角之和的平均值 ${x}_{23}$ |
| 特征 24 | 故障切除时,风电场并网点电压 ${x}_{24}$ |
| 特征 25 | 故障切除时,风电场增发的无功 ${x}_{25}$ |
| 特征 26 | 故障切除时,风电场减少的出力 ${x}_{26}$ |
| 特征 27 | 故障切除时,双馈风机的 $q$ 轴转子电流的变化量 ${x}_{27}$ |
| 特征 28 | 故障切除时,双馈风机的 $d$ 轴转子电流变化量 ${x}_{28}$ |
), ArticleFig(id=1154429092230320695, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=表 1, caption=
原始特征集, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 特征属性 |
| 特征 1 | 故障前后,系统的总能量调整 {x}_{1} |
| 特征 2 | 故障的瞬间,双馈风机受到的最大有功功率冲击 {x}_{2} |
| 特征 3 | 故障的瞬间,双馈风机受到的最小有功功率冲击 {x}_{3} |
| 特征 4 | 故障的瞬间,双馈风机加速功率的平均值 {x}_{4} |
| 特征 5 | 故障的瞬间,最大加速度的发电机的相对初始角度 {x}_{5} |
| 特征 6 | 故障的瞬间,双馈风机转子加速度的最大值 {x}_{6} |
| 特征 7 | 故障的瞬间,双馈风机转子加速度的方差 {x}_{7} |
| 特征 8 | 故障切除时,最大转子角度的双馈风机转子动能 {x}_{8} |
| 特征 9 | 故障切除时,对系统的有功冲击 {x}_{9} |
| 特征 10 | 故障切除时,双馈风机转子加速功率的平均值 {x}_{10} |
| 特征 11 | 故障切除时,最大转子动能的发电机转子角度 {x}_{11} |
| 特征 12 | 故障切除时,转角与惯性中心角相差的最大值 {x}_{12} |
| 特征 13 | 故障切除时,双馈风机与惯性中心最大转速差值 {x}_{13} |
| 特征 14 | 故障切除时,双馈风机角速度最大值与最小值之差 {x}_{14} |
| 特征 15 | 故障切除时,双馈风机的转子动能最大值 {x}_{15} |
| 特征 16 | 故障切除时,双馈风机转子动能的平均值 ${x}_{16}$ |
| 特征 17 | 故障切除时,双馈风机转子的最大加速度之差 ${x}_{17}$ |
| 特征 18 | 故障切除时,双馈风机转子动能的最大差值 ${x}_{18}$ |
| 特征 19 | 故障后,各节点电压幅值之和的平均值 ${x}_{19}$ |
| 特征 20 | 故障后,各节点电压相角之和的平均值 ${x}_{20}$ |
| 特征 21 | 故障后,各双馈风机有功功率之和的平均值 ${x}_{21}$ |
| 特征 22 | 故障后,各双馈风机无功功率之和的平均值 ${x}_{22}$ |
| 特征 23 | 故障后,各双馈风机功角之和的平均值 ${x}_{23}$ |
| 特征 24 | 故障切除时,风电场并网点电压 ${x}_{24}$ |
| 特征 25 | 故障切除时,风电场增发的无功 ${x}_{25}$ |
| 特征 26 | 故障切除时,风电场减少的出力 ${x}_{26}$ |
| 特征 27 | 故障切除时,双馈风机的 $q$ 轴转子电流的变化量 ${x}_{27}$ |
| 特征 28 | 故障切除时,双馈风机的 $d$ 轴转子电流变化量 ${x}_{28}$ |
), ArticleFig(id=1154429092293235258, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Table 2, caption=
Sample data construction method of New England 39-bus system simulation example, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 发电机模型 | 二阶经典模型 |
| 风电渗透率 | 0,20%,30%,40% |
| 故障类型 | 三相短路故障 |
| 故障位置 | 各线路首末端设置故障点 |
| 故障持续时间 | 0.2,0.4,0.6,0.8s |
| 采样频率 | ${30}\mathrm{\;{Hz}}$ |
| 故障前采样 | 从第 30 周波起连续采样 10 周波 |
| 故障期间采样 | 从第 40 周波起视故障持续时间设置采样时长 |
| 故障后采样 | 故障结束后连续采样 100 周波 |
), ArticleFig(id=1154429092360344125, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=表 2, caption=
新英格兰 39 节点系统仿真算例的样本数据构造方法, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 发电机模型 | 二阶经典模型 |
| 风电渗透率 | 0,20%,30%,40% |
| 故障类型 | 三相短路故障 |
| 故障位置 | 各线路首末端设置故障点 |
| 故障持续时间 | 0.2,0.4,0.6,0.8s |
| 采样频率 | ${30}\mathrm{\;{Hz}}$ |
| 故障前采样 | 从第 30 周波起连续采样 10 周波 |
| 故障期间采样 | 从第 40 周波起视故障持续时间设置采样时长 |
| 故障后采样 | 故障结束后连续采样 100 周波 |
), ArticleFig(id=1154429092435841599, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Table 3, caption=
Principal component analysis table, figureFileSmall=null, figureFileBig=null, tableContent=
| 主成分 | 特征值 | 累积方差贡献率 |
| 1 | 4.356 2 | 29.85 |
| 2 | 2.854 6 | 45.62 |
| 3 | 2.165 7 | 59.23 |
| 4 | 1.682 4 | 67.25 |
| 5 | 1.4970 | 76.52 |
| 6 | 0.962 1 | 86.35 |
| 7 | 0.862 5 | 90.45 |
| 8 | 0.648 0 | 92.12 |
| 9 | 0.546 0 | 94.55 |
| 10 | 0.482 3 | 95.21 |
| 11 | 0.325 4 | 97.32 |
| 12 | 0.195 3 | 98.12 |
| 13 | 0.1120 | 99.10 |
), ArticleFig(id=1154429092507144768, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=表 3, caption=
主成分分析, figureFileSmall=null, figureFileBig=null, tableContent=
| 主成分 | 特征值 | 累积方差贡献率 |
| 1 | 4.356 2 | 29.85 |
| 2 | 2.854 6 | 45.62 |
| 3 | 2.165 7 | 59.23 |
| 4 | 1.682 4 | 67.25 |
| 5 | 1.4970 | 76.52 |
| 6 | 0.962 1 | 86.35 |
| 7 | 0.862 5 | 90.45 |
| 8 | 0.648 0 | 92.12 |
| 9 | 0.546 0 | 94.55 |
| 10 | 0.482 3 | 95.21 |
| 11 | 0.325 4 | 97.32 |
| 12 | 0.195 3 | 98.12 |
| 13 | 0.1120 | 99.10 |
), ArticleFig(id=1154429092582642242, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Table 4, caption=
Preferred downwitter solicitation, figureFileSmall=null, figureFileBig=null, tableContent=
| 主成分 | 优选特征 |
| 1 | 故障前后,系统的总能量调整 ${x}_{1}$ |
| 2 | 故障瞬间,所有双馈风机承受的最大有功功率冲击 ${x}_{2}$ |
| 3 | 故障瞬间,所有双馈风机承受的最小有功功率冲击 ${x}_{3}$ |
| 4 | 故障瞬间,最大加速角度的双馈风机的相对初始角度 ${x}_{5}$ |
| 5 | 故障切除时,具有最大转子角度的双馈风机转子动能 ${x}_{8}$ |
| 6 | 故障切除时,对系统的有功冲击 ${x}_{9}$ |
| 7 | 故障切除时,具有最大转子动能的双馈风机转子角度 ${x}_{11}$ |
| 8 | 故障切除时,转角与惯性中心 (COI) 角相差的最大值 ${x}_{12}$ |
| 9 | 故障切除时,所有双馈风机的转子动能最大值 ${x}_{15}$ |
| 10 | 故障切除时,所有双馈风机转子动能的平均值 ${x}_{16}$ |
| 11 | 故障后,各节点电压幅值之和的平均值 ${x}_{19}$ |
| 12 | 故障切除时,双馈风机的 $q$ 轴转子电流的变化量 ${x}_{27}$ |
| 13 | 故障切除时,双馈风机的 $d$ 轴转子电流变化量 ${x}_{28}$ |
), ArticleFig(id=1154429092653945413, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=表 4, caption=
优选降维特征集, figureFileSmall=null, figureFileBig=null, tableContent=
| 主成分 | 优选特征 |
| 1 | 故障前后,系统的总能量调整 ${x}_{1}$ |
| 2 | 故障瞬间,所有双馈风机承受的最大有功功率冲击 ${x}_{2}$ |
| 3 | 故障瞬间,所有双馈风机承受的最小有功功率冲击 ${x}_{3}$ |
| 4 | 故障瞬间,最大加速角度的双馈风机的相对初始角度 ${x}_{5}$ |
| 5 | 故障切除时,具有最大转子角度的双馈风机转子动能 ${x}_{8}$ |
| 6 | 故障切除时,对系统的有功冲击 ${x}_{9}$ |
| 7 | 故障切除时,具有最大转子动能的双馈风机转子角度 ${x}_{11}$ |
| 8 | 故障切除时,转角与惯性中心 (COI) 角相差的最大值 ${x}_{12}$ |
| 9 | 故障切除时,所有双馈风机的转子动能最大值 ${x}_{15}$ |
| 10 | 故障切除时,所有双馈风机转子动能的平均值 ${x}_{16}$ |
| 11 | 故障后,各节点电压幅值之和的平均值 ${x}_{19}$ |
| 12 | 故障切除时,双馈风机的 $q$ 轴转子电流的变化量 ${x}_{27}$ |
| 13 | 故障切除时,双馈风机的 $d$ 轴转子电流变化量 ${x}_{28}$ |
), ArticleFig(id=1154429092716859974, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Table 5, caption=
Simulation scenarios of different permeability rates, figureFileSmall=null, figureFileBig=null, tableContent=
| 场景 | 故障持续时间/s | 风电渗透率/% | 有无超导故障限流器 |
| 1 | 0.6 | 0 | 无 |
| 2 | 0.6 | 20 | 无 |
| 3 | 0.6 | 30 | 无 |
| 4 | 0.6 | 40 | 无 |
| 5 | 0.6 | 40 | 有 |
| 6 | 0.2 | 40 | 无 |
| 7 | 0.4 | 40 | 无 |
| 8 | 0.6 | 40 | 无 |
| 9 | 0.8 | 40 | 无 |
| 10 | 0.8 | 40 | 有 |
), ArticleFig(id=1154429092788163143, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=表 5, caption=
不同渗透率仿真场景, figureFileSmall=null, figureFileBig=null, tableContent=
| 场景 | 故障持续时间/s | 风电渗透率/% | 有无超导故障限流器 |
| 1 | 0.6 | 0 | 无 |
| 2 | 0.6 | 20 | 无 |
| 3 | 0.6 | 30 | 无 |
| 4 | 0.6 | 40 | 无 |
| 5 | 0.6 | 40 | 有 |
| 6 | 0.2 | 40 | 无 |
| 7 | 0.4 | 40 | 无 |
| 8 | 0.6 | 40 | 无 |
| 9 | 0.8 | 40 | 无 |
| 10 | 0.8 | 40 | 有 |
), ArticleFig(id=1154429092859466313, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Table 6, caption=
Evaluation results of different wind power permeability, figureFileSmall=null, figureFileBig=null, tableContent=
| 场景 | 风电渗透率1% | 有无超导故障限流器 | 评估结果 |
| 1 | 0 | 无 | 稳定 |
| 2 | 20 | 无 | 稳定 |
| 3 | 30 | 无 | 稳定 |
| 4 | 40 | 无 | 不稳定 |
| 5 | 40 | 有 | 稳定 |
), ArticleFig(id=1154429092930769483, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=表 6, caption=
不同风电渗透率评估结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 场景 | 风电渗透率1% | 有无超导故障限流器 | 评估结果 |
| 1 | 0 | 无 | 稳定 |
| 2 | 20 | 无 | 稳定 |
| 3 | 30 | 无 | 稳定 |
| 4 | 40 | 无 | 不稳定 |
| 5 | 40 | 有 | 稳定 |
), ArticleFig(id=1154429092989489741, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=EN, label=Table 7, caption=
Evaluation results of current limiter with or without superconducting fault, figureFileSmall=null, figureFileBig=null, tableContent=
| 场景 | 故障持续时间/s | 有无超导故障限流器 | 评估结果 |
| 6 | 0.2 | 无 | 稳定 |
| 7 | 0.4 | 无 | 稳定 |
| 8 | 0.6 | 无 | 不稳定 |
| 9 | 0.8 | 无 | 不稳定 |
| 10 | 0.8 | 有 | 稳定 |
), ArticleFig(id=1154429093056598607, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154429042632676270, language=CN, label=表 7, caption=
有无超导故障限流器评估结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 场景 | 故障持续时间/s | 有无超导故障限流器 | 评估结果 |
| 6 | 0.2 | 无 | 稳定 |
| 7 | 0.4 | 无 | 稳定 |
| 8 | 0.6 | 无 | 不稳定 |
| 9 | 0.8 | 无 | 不稳定 |
| 10 | 0.8 | 有 | 稳定 |
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