基于虚拟导纳的大型光伏电站谐波抑制策略研究
在建立大型光伏电站诺顿等效模型基础上通过阻抗分析法分析了大型光伏电站与电网之间以及光伏电站内逆变器之间的耦合作用,揭示了大型光伏电站谐波产生机理,即电网阻抗与逆变器等效输出导纳相互作用对某一频率处的谐波产生了放大作用。提出在逆变器输出端增加一条虚拟的导纳通路来消除系统对谐波的放大作用。将并网点电压通过由一阶惯性环节和二阶陷波器复合而成的系统反馈至控制器输出端,实现对逆变器等效输出导纳的改善。经该方法改善后的系统输出导纳对谐波具有滤除作用,且对基波无衰减。仿真及实验验证了理论分析的正确性。...
Saved in:
Published in | 电力系统保护与控制 Vol. 44; no. 18; pp. 120 - 126 |
---|---|
Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
国网青海省电力公司电力科学研究院,青海西宁,810008%输配电装备及系统安全与新技术国家重点实验室(重庆大学),重庆,400044
2016
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Abstract | 在建立大型光伏电站诺顿等效模型基础上通过阻抗分析法分析了大型光伏电站与电网之间以及光伏电站内逆变器之间的耦合作用,揭示了大型光伏电站谐波产生机理,即电网阻抗与逆变器等效输出导纳相互作用对某一频率处的谐波产生了放大作用。提出在逆变器输出端增加一条虚拟的导纳通路来消除系统对谐波的放大作用。将并网点电压通过由一阶惯性环节和二阶陷波器复合而成的系统反馈至控制器输出端,实现对逆变器等效输出导纳的改善。经该方法改善后的系统输出导纳对谐波具有滤除作用,且对基波无衰减。仿真及实验验证了理论分析的正确性。 |
---|---|
AbstractList | 在建立大型光伏电站诺顿等效模型基础上通过阻抗分析法分析了大型光伏电站与电网之间以及光伏电站内逆变器之间的耦合作用,揭示了大型光伏电站谐波产生机理,即电网阻抗与逆变器等效输出导纳相互作用对某一频率处的谐波产生了放大作用。提出在逆变器输出端增加一条虚拟的导纳通路来消除系统对谐波的放大作用。将并网点电压通过由一阶惯性环节和二阶陷波器复合而成的系统反馈至控制器输出端,实现对逆变器等效输出导纳的改善。经该方法改善后的系统输出导纳对谐波具有滤除作用,且对基波无衰减。仿真及实验验证了理论分析的正确性。 |
Author | 杨立滨 张海宁 李春来 杨军 郑晨 王平 |
AuthorAffiliation | 国网青海省电力公司电力科学研究院,青海西宁810008 输配电装备及系统安全与新技术国家重点实验室,重庆大学,重庆400044 |
AuthorAffiliation_xml | – name: 国网青海省电力公司电力科学研究院,青海西宁,810008%输配电装备及系统安全与新技术国家重点实验室(重庆大学),重庆,400044 |
Author_FL | YANG Libin WANG Ping ZHANG Haining YANG Jun ZHENG Chen LI Chunlai |
Author_FL_xml | – sequence: 1 fullname: YANG Libin – sequence: 2 fullname: ZHANG Haining – sequence: 3 fullname: LI Chunlai – sequence: 4 fullname: YANG Jun – sequence: 5 fullname: ZHENG Chen – sequence: 6 fullname: WANG Ping |
Author_xml | – sequence: 1 fullname: 杨立滨 张海宁 李春来 杨军 郑晨 王平 |
BookMark | eNotjU1LAkEch-dgkJmXPkJ03Zr_zsx_Zk8R0hsICXaXdXfHlFpzJaJ7QSX0AhboISOKiIgCyYP4cVzHj9GCnX6X5_c8CyQV1sOAkCWgqxJRrhWKhRwIQAdTJA0oucU4iHmSbTarZUoZCIHKSZP1uDccD2-mne6k1Yu_R2bYN93z-PU9fmrFF1fj0a1p_5rPzvTnbtJ_mVzfx5cD8_VoHt7Mc9t8DBbJnHYPm0H2fzOkuLW5n9ux8nvbu7mNvOUlHUtRDY5rU64Qyz4o32W-DlBzGkiPisDxbMHsQCstuNRMCOXZyQFQK-AUWYaszKynbqjdsFKq1U-iMOmVan7DpoCgKKgEW55h3kE9rDSqCXgcVY_c6KyEkoJkjFP2BxMhaqQ |
ContentType | Journal Article |
Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
Copyright_xml | – notice: Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
DBID | 2RA 92L CQIGP W92 ~WA 2B. 4A8 92I 93N PSX TCJ |
DOI | 10.7667/PSPC151696 |
DatabaseName | 维普_期刊 中文科技期刊数据库-CALIS站点 维普中文期刊数据库 中文科技期刊数据库-工程技术 中文科技期刊数据库- 镜像站点 Wanfang Data Journals - Hong Kong WANFANG Data Centre Wanfang Data Journals 万方数据期刊 - 香港版 China Online Journals (COJ) China Online Journals (COJ) |
DatabaseTitleList | |
DeliveryMethod | fulltext_linktorsrc |
DocumentTitleAlternate | Harmonic suppression strategy of large-scale photovoltaic plants based on virtual admittance |
DocumentTitle_FL | Harmonic suppression strategy of large-scale photovoltaic plants based on virtual admittance |
EndPage | 126 |
ExternalDocumentID | jdq201618018 670173340 |
GrantInformation_xml | – fundername: 青海省光伏发电并网技术重点实验室 funderid: (2014-Z-Y34A) |
GroupedDBID | -03 2RA 5XA 5XD 92L ALMA_UNASSIGNED_HOLDINGS CCEZO CEKLB CQIGP GROUPED_DOAJ U1G W92 ~WA 2B. 4A8 92I 93N PSX TCJ |
ID | FETCH-LOGICAL-c568-80f19a204866bd18da3dfe6f40e7c05e9c2532ef8f547f3558c219a16f814063 |
ISSN | 1674-3415 |
IngestDate | Tue Feb 13 23:40:55 EST 2024 Wed Feb 14 10:15:07 EST 2024 |
IsPeerReviewed | true |
IsScholarly | true |
Issue | 18 |
Keywords | 电网阻抗 harmonic suppression 大型光伏电站 virtual admittance LSPV plants grid impedance 谐波治理 虚拟导纳 |
Language | Chinese |
LinkModel | OpenURL |
MergedId | FETCHMERGED-LOGICAL-c568-80f19a204866bd18da3dfe6f40e7c05e9c2532ef8f547f3558c219a16f814063 |
Notes | LSPV plants;grid impedance;virtual admittance;harmonic suppression Based on the equivalent Norton model of large-scale photovoltaic(LSPV) plants, the coupling among inverters in LSPV plant and between LSPV plant and the grid are studied through impedance analysis. The study reveals the harmonic mechanism that coupling between grid impedance and equivalent admittance of inverter will amplify harmonics in the system. To remove the amplification to harmonics, the strategy of adding a virtual admittance to filter harmonics is proposed. The strategy is realized to improve inverter admittance by the voltage at the point of common coupling(PCC) feedback through the combination of a first-order process and a second-order notch filter. The system with the proposed strategy owns characteristics of making harmonic current through the virtual admittance and fundamental frequency current blocked. In the end, the result of simulation and experiment validates theoretical analysis. 41-1401/TM YANG Libin1, ZHANG Haining1, LI Chu |
PageCount | 7 |
ParticipantIDs | wanfang_journals_jdq201618018 chongqing_primary_670173340 |
PublicationCentury | 2000 |
PublicationDate | 2016 |
PublicationDateYYYYMMDD | 2016-01-01 |
PublicationDate_xml | – year: 2016 text: 2016 |
PublicationDecade | 2010 |
PublicationTitle | 电力系统保护与控制 |
PublicationTitleAlternate | Relay |
PublicationTitle_FL | Power System Protection and Control |
PublicationYear | 2016 |
Publisher | 国网青海省电力公司电力科学研究院,青海西宁,810008%输配电装备及系统安全与新技术国家重点实验室(重庆大学),重庆,400044 |
Publisher_xml | – name: 国网青海省电力公司电力科学研究院,青海西宁,810008%输配电装备及系统安全与新技术国家重点实验室(重庆大学),重庆,400044 |
SSID | ssib003155689 ssib017479473 ssib023166999 ssj0002912115 ssib051374514 ssib002424069 ssib036435463 |
Score | 2.1477156 |
Snippet | ... |
SourceID | wanfang chongqing |
SourceType | Aggregation Database Publisher |
StartPage | 120 |
SubjectTerms | 大型光伏电站 电网阻抗 虚拟导纳 谐波治理 |
Title | 基于虚拟导纳的大型光伏电站谐波抑制策略研究 |
URI | http://lib.cqvip.com/qk/90494A/201618/670173340.html https://d.wanfangdata.com.cn/periodical/jdq201618018 |
Volume | 44 |
hasFullText | 1 |
inHoldings | 1 |
isFullTextHit | |
isPrint | |
link | http://utb.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwnR1Na9RAdGjrxYsoWqy10oNzKqtJZjIfJ0m2WYqgFFqhtyWbZFo8bK1uLz0rqAU_oArtwYooIiIKxR5Kf0636c_wvZl0G4qICsvwduZ9zHsvmXmTZN4Qcr3AnOY6F3CnGd3gKfMaynR4A6ZKqZiSOTO4wfnOXTFzj99eCBeGhkdrXy2t9jo3srXf7iv5H69CHfgVd8n-g2cHTKECYPAvlOBhKP_KxzQJqW7ROKIJx1IlNFFUa6qhRlAVYyvgRIDTpIlEnJghAAiK2yZOI2n5JIgPgIKftgybVLUsMsAhAlGMzEFEjJ9HoAjgFgVWVkS1b8mhVVjkaaotoEGKI_eQFQIacOphcU1KaFnFtreMxg5wigBCi-rpShz0HGuU1Vpg6RSxHTi-jrAFKCJVdR9VFMgvUlOIDDpGThGALXkEdvCnKjrHWiurgOMUTtV4gjSAY6jSVDFrAYEmstwlkjubxqAwqz9gcTs_q9lASN6AaT6sTxcuXeXxbaFqg78feLU4wneZAE5PUVIIfEk-Ozfb9PEd5ak84DayEBLGSca4N0zOBBJWsLVHBVVYhRuWa-My5pEb_IdFJoyyJ2EphPBC6JNlJ4MotH4KQugzycPqbTpGMIHGxH_49e_AAi6zL3b-5knXMR_J0nJ3cQWiLLvprWvS7mItPps_T85VC6vJyN0lF8jQ2tJFcqu_vXew9-Joc-twfbv_fb_c2ym3Hvc_fu6_W-8_eXaw_7Lc-Fl-3Tz68epw58Ph89f9p7vlt7flm0_l-43yy-4lMtdK5pszjerIkEYGFoBwy_g6xVzUQnRyX-Upy00hDPcKmXlhobMgZEFhlAm5NHiyQAYzduoLg4nfBBslI93lbnGZTAa50IHhMkhFyo0SSnZSw4vMMMlkptQYGR-o3n7gEsO0B34bIxOVMdrVcPGofT9fCezxFJ6vrvyRepycRUz3oO8qGek9XC0mIPTtda7Z6-AXqdSBGg |
link.rule.ids | 315,786,790,870,4043,27956,27957,27958 |
linkProvider | Directory of Open Access Journals |
openUrl | ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fsummon.serialssolutions.com&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=%E5%9F%BA%E4%BA%8E%E8%99%9A%E6%8B%9F%E5%AF%BC%E7%BA%B3%E7%9A%84%E5%A4%A7%E5%9E%8B%E5%85%89%E4%BC%8F%E7%94%B5%E7%AB%99%E8%B0%90%E6%B3%A2%E6%8A%91%E5%88%B6%E7%AD%96%E7%95%A5%E7%A0%94%E7%A9%B6&rft.jtitle=%E7%94%B5%E5%8A%9B%E7%B3%BB%E7%BB%9F%E4%BF%9D%E6%8A%A4%E4%B8%8E%E6%8E%A7%E5%88%B6&rft.au=%E6%9D%A8%E7%AB%8B%E6%BB%A8+%E5%BC%A0%E6%B5%B7%E5%AE%81+%E6%9D%8E%E6%98%A5%E6%9D%A5+%E6%9D%A8%E5%86%9B+%E9%83%91%E6%99%A8+%E7%8E%8B%E5%B9%B3&rft.date=2016&rft.issn=1674-3415&rft.volume=44&rft.issue=18&rft.spage=120&rft.epage=126&rft_id=info:doi/10.7667%2FPSPC151696&rft.externalDocID=670173340 |
thumbnail_s | http://utb.summon.serialssolutions.com/2.0.0/image/custom?url=http%3A%2F%2Fimage.cqvip.com%2Fvip1000%2Fqk%2F90494A%2F90494A.jpg http://utb.summon.serialssolutions.com/2.0.0/image/custom?url=http%3A%2F%2Fwww.wanfangdata.com.cn%2Fimages%2FPeriodicalImages%2Fjdq%2Fjdq.jpg |