CN106786724B - 一种多回mmc-hvdc馈入极弱电网的控制策略 - Google Patents
一种多回mmc-hvdc馈入极弱电网的控制策略 Download PDFInfo
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- CN106786724B CN106786724B CN201710050949.6A CN201710050949A CN106786724B CN 106786724 B CN106786724 B CN 106786724B CN 201710050949 A CN201710050949 A CN 201710050949A CN 106786724 B CN106786724 B CN 106786724B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
电气量 | 数值 |
额定容量 | 40MVA |
额定线电压 | 13.8kV |
额定线电流 | 1.67kA |
惯性时间常数 | 2s |
原动机与调速器:R | 0.04 |
原动机与调速器:T<sub>R</sub> | 5s |
励磁系统:K<sub>A</sub> | 200 |
励磁系统:T<sub>A</sub> | 0.02s |
控制参数 | MMC1 | MMC2 |
有功-频率环的虚拟转动惯量 | 6.4 | 3.2 |
有功-频率环的虚拟阻尼系数 | 50 | 25 |
无功-电压环的比例系数 | 0.5 | 1 |
无功-电压的积分常数 | 2.5 | 2.5 |
动态有功分配系数λ | 2/3 | 1/3 |
动态无功分配系数γ | 2/3 | 1/3 |
Claims (7)
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CN201710050949.6A CN106786724B (zh) | 2017-01-23 | 2017-01-23 | 一种多回mmc-hvdc馈入极弱电网的控制策略 |
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CN106786724B true CN106786724B (zh) | 2019-05-28 |
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Families Citing this family (22)
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CN107257141B (zh) * | 2017-06-27 | 2019-08-16 | 浙江大学 | 利用直流电容动态实现自同步的三相并网变流器控制方法 |
CN107093903A (zh) * | 2017-06-28 | 2017-08-25 | 华北电力大学(保定) | 一种利用statcom改善hvdc交流滤波器投切性能的控制方法 |
CN107196326B (zh) * | 2017-07-12 | 2020-03-27 | 华北电力科学研究院有限责任公司 | 抑制模块化电压源型换流阀功率振荡的附加阻尼控制方法 |
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US11901739B2 (en) | 2022-11-28 | 2024-02-13 | Zhejiang University | Backup voltage and frequency support method for 100%-renewable energy sending-end grid |
CN115764929B (zh) * | 2022-11-28 | 2023-06-23 | 浙江大学 | 一种100%新能源送端电网的后备电压频率支撑方法 |
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CN105703381A (zh) * | 2015-11-27 | 2016-06-22 | 华北电力大学 | 一种适用于vsc-hvdc联接极弱交流电网的功率阻尼同步控制方法 |
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Effective date of registration: 20171213 Address after: 310027 Hangzhou, Zhejiang Province, Xihu District, Zhejiang Road, No. 38, No. Applicant after: Zhejiang University Applicant after: Nanrui Relay Protection Electricity Co., Ltd., Nanjing Applicant after: State Grid Corporation of China Applicant after: State Grid Zhejiang Electric Power Company Address before: 310013 Xihu District, Zhejiang, Yuhang Tong Road, No. 866, No. Applicant before: Zhejiang University Applicant before: Nanrui Relay Protection Electricity Co., Ltd., Nanjing Applicant before: State Grid Corporation of China |
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