CN106885944B - 一种用于下垂控制的直流微网线路阻抗检测方法及装置 - Google Patents
一种用于下垂控制的直流微网线路阻抗检测方法及装置 Download PDFInfo
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- CN106885944B CN106885944B CN201710159934.3A CN201710159934A CN106885944B CN 106885944 B CN106885944 B CN 106885944B CN 201710159934 A CN201710159934 A CN 201710159934A CN 106885944 B CN106885944 B CN 106885944B
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- 238000007665 sagging Methods 0.000 title claims abstract description 65
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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Abstract
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CN201710159934.3A CN106885944B (zh) | 2017-03-17 | 2017-03-17 | 一种用于下垂控制的直流微网线路阻抗检测方法及装置 |
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CN201710159934.3A CN106885944B (zh) | 2017-03-17 | 2017-03-17 | 一种用于下垂控制的直流微网线路阻抗检测方法及装置 |
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CN106885944B true CN106885944B (zh) | 2019-06-11 |
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Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108599213B (zh) * | 2018-05-04 | 2020-05-08 | 上海电力学院 | 考虑不匹配线阻的多储能独立直流微电网的改进控制方法 |
CN109586304A (zh) * | 2018-11-28 | 2019-04-05 | 上海电力学院 | 基于纹波特性的线路电感检测方法及装置 |
CN110323735A (zh) * | 2019-06-27 | 2019-10-11 | 上海电力学院 | 一种带有母线电压恢复的改进下垂控制方法及装置 |
CN110601167B (zh) * | 2019-09-03 | 2022-12-09 | 上海电力大学 | 无通信的母线电压无偏差控制方法 |
CN110957798B (zh) * | 2019-11-18 | 2021-07-06 | 深圳供电局有限公司 | 并联电源效率优化方法及系统 |
CN110850175B (zh) * | 2019-11-19 | 2022-03-04 | 大连海事大学 | 一种基于低频电流注入的直流微电网线路阻抗检测方法及装置 |
CN111208351B (zh) * | 2020-01-17 | 2022-05-17 | 北京市腾河电子技术有限公司 | 基于负荷跳变计算供电线路阻抗的方法、存储介质 |
CN111628491B (zh) * | 2020-06-08 | 2023-03-31 | 南京工程学院 | 一种基于线路阻抗检测的直流微网改进下垂控制方法 |
CN111999563B (zh) * | 2020-09-01 | 2022-03-22 | 浙江大学 | 一种多级联直流变换器阻抗在线测量方法 |
CN113489044B (zh) * | 2021-07-12 | 2022-07-26 | 国网新疆电力有限公司营销服务中心(资金集约中心、计量中心) | 考虑线路电阻的多端柔性直流输电自适应下垂控制方法 |
WO2024189167A1 (en) * | 2023-03-15 | 2024-09-19 | Hitachi Energy Ltd | Secondary control of energy supplies in dc and hybrid microgrids |
EP4432501A1 (en) * | 2023-03-15 | 2024-09-18 | Hitachi Energy Ltd | Secondary control of energy supplies in dc and hybrid microgrids |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101867171A (zh) * | 2010-06-28 | 2010-10-20 | 中国南方电网有限责任公司电网技术研究中心 | 基于阻抗测量的分布式电源孤岛检测方法 |
CN101976851A (zh) * | 2010-10-27 | 2011-02-16 | 西安交通大学 | 一种利用虚拟阻抗提高微型电网内多个逆变器无线互联稳定性的方法 |
CN103368191A (zh) * | 2013-07-22 | 2013-10-23 | 湖南大学 | 一种微电网多逆变器并联电压不平衡补偿方法 |
CN103575969A (zh) * | 2013-10-30 | 2014-02-12 | 乔海晔 | 一种测量通讯线路的电压、电阻的装置及方法 |
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JP2945300B2 (ja) * | 1995-05-16 | 1999-09-06 | 古河電気工業株式会社 | ケーブル端末部のインピーダンス測定方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101867171A (zh) * | 2010-06-28 | 2010-10-20 | 中国南方电网有限责任公司电网技术研究中心 | 基于阻抗测量的分布式电源孤岛检测方法 |
CN101976851A (zh) * | 2010-10-27 | 2011-02-16 | 西安交通大学 | 一种利用虚拟阻抗提高微型电网内多个逆变器无线互联稳定性的方法 |
CN103368191A (zh) * | 2013-07-22 | 2013-10-23 | 湖南大学 | 一种微电网多逆变器并联电压不平衡补偿方法 |
CN103575969A (zh) * | 2013-10-30 | 2014-02-12 | 乔海晔 | 一种测量通讯线路的电压、电阻的装置及方法 |
Non-Patent Citations (1)
Title |
---|
An Enhanced Droop Control Method for Accurate Load Sharing and Voltage Improvement of Isolated and Interconnected DC Microgrids;Avisha Tah et al.;《IEEE TRANSACTIONS ON SUSTAINABLE ENERGY》;20160731;第7卷(第3期);第1194-1204页 |
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