CN110098610B - 故障扰动下电力系统振荡主导模式的实时辨识方法及系统 - Google Patents
故障扰动下电力系统振荡主导模式的实时辨识方法及系统 Download PDFInfo
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- CN110098610B CN110098610B CN201910152699.6A CN201910152699A CN110098610B CN 110098610 B CN110098610 B CN 110098610B CN 201910152699 A CN201910152699 A CN 201910152699A CN 110098610 B CN110098610 B CN 110098610B
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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
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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
- 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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Abstract
Description
模式 | 频率 | 幅值 | 衰减因子 | 阻尼比 | 能量 |
1 | 60.00 | 0.3600 | 0.0300 | -0.0001 | 8.8000 |
2 | 40.00 | 0.2400 | 0.2700 | -0.0011 | 4.8106 |
3 | 39.00 | 0.2600 | -4.3000 | 0.0175 | 0.5000 |
4 | 58.00 | 0.0530 | -0.5800 | 0.0016 | 0.1060 |
5 | 44.00 | 0.0260 | 0.3800 | -0.0014 | 0.0680 |
6 | 49.00 | 0.0047 | 0.0880 | -0.0003 | 0.0016 |
7 | 34.00 | 0.0027 | -0.9900 | 0.0046 | 0.0002 |
8 | 28.00 | 0.0010 | -0.0710 | 0.0004 | 0.0000 |
9 | 24.00 | 0.0001 | 0.4400 | -0.0029 | 0.0000 |
10 | 19.00 | 0.0000 | -0.0590 | 0.0005 | 0.0000 |
11 | 12.00 | 0.0000 | -1.9000 | 0.0252 | 0.0000 |
12 | 7.20 | 0.0000 | -3.7000 | 0.0815 | 0.0000 |
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CN110707694B (zh) * | 2019-10-29 | 2022-09-20 | 东北电力大学 | 风电并网电力系统通过网络模式能量识别振荡路径的方法 |
CN113156200B (zh) * | 2020-12-14 | 2023-01-13 | 北京信息科技大学 | 一种电网低频振荡实时监测装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105809294A (zh) * | 2016-03-30 | 2016-07-27 | 国家电网公司 | 电力系统低频振荡的prony分析方法及装置 |
CN106532743A (zh) * | 2016-12-01 | 2017-03-22 | 国家电网公司 | 一种基于振荡能量的互联系统低频振荡安控量获取方法 |
CN106845010A (zh) * | 2017-02-16 | 2017-06-13 | 西南交通大学 | 基于改进SVD降噪和Prony的低频振荡主导模式辨识方法 |
CN108182529A (zh) * | 2017-12-27 | 2018-06-19 | 河海大学常州校区 | 一种微电网运行时的不确定因素辨识方法 |
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CN104101805B (zh) * | 2014-07-15 | 2016-09-21 | 四川大学 | 一种基于振荡能量注入的励磁系统负阻尼检测方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105809294A (zh) * | 2016-03-30 | 2016-07-27 | 国家电网公司 | 电力系统低频振荡的prony分析方法及装置 |
CN106532743A (zh) * | 2016-12-01 | 2017-03-22 | 国家电网公司 | 一种基于振荡能量的互联系统低频振荡安控量获取方法 |
CN106845010A (zh) * | 2017-02-16 | 2017-06-13 | 西南交通大学 | 基于改进SVD降噪和Prony的低频振荡主导模式辨识方法 |
CN108182529A (zh) * | 2017-12-27 | 2018-06-19 | 河海大学常州校区 | 一种微电网运行时的不确定因素辨识方法 |
Non-Patent Citations (3)
Title |
---|
Energy-Sorted Prony Analysis for Identification of Dominant Low Frequency Oscillations;V. S. Patel;《2013 Australian Control Conference》;20131231;第85-90页 * |
Prony算法分析低频振荡的有效性研究;王铁强;《中国电力》;20011130;第38-41页 * |
基于谐波小波和 Prony算法的转子不平衡信号提取;李传江;《仪器仪表学报》;20121130;第2516-2522页 * |
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