CN114710114B - 光伏逆变器故障预测方法 - Google Patents
光伏逆变器故障预测方法 Download PDFInfo
- Publication number
- CN114710114B CN114710114B CN202210559326.2A CN202210559326A CN114710114B CN 114710114 B CN114710114 B CN 114710114B CN 202210559326 A CN202210559326 A CN 202210559326A CN 114710114 B CN114710114 B CN 114710114B
- Authority
- CN
- China
- Prior art keywords
- clustering
- initial
- photovoltaic inverter
- center
- training set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000013598 vector Substances 0.000 claims abstract description 55
- 238000012549 training Methods 0.000 claims abstract description 49
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 238000007781 pre-processing Methods 0.000 claims abstract description 8
- 239000003016 pheromone Substances 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000013507 mapping Methods 0.000 claims description 3
- 238000010606 normalization Methods 0.000 claims description 3
- 230000036541 health Effects 0.000 abstract description 7
- 238000004364 calculation method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/214—Generating training patterns; Bootstrap methods, e.g. bagging or boosting
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/23—Clustering techniques
-
- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Landscapes
- Engineering & Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Bioinformatics & Computational Biology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Evolutionary Biology (AREA)
- Evolutionary Computation (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210559326.2A CN114710114B (zh) | 2022-05-23 | 2022-05-23 | 光伏逆变器故障预测方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210559326.2A CN114710114B (zh) | 2022-05-23 | 2022-05-23 | 光伏逆变器故障预测方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114710114A CN114710114A (zh) | 2022-07-05 |
CN114710114B true CN114710114B (zh) | 2022-09-13 |
Family
ID=82177200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210559326.2A Active CN114710114B (zh) | 2022-05-23 | 2022-05-23 | 光伏逆变器故障预测方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114710114B (zh) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101677289B (zh) * | 2008-09-17 | 2012-04-25 | 华为技术有限公司 | 一种优化路由的方法和装置 |
CN108847686B (zh) * | 2018-07-02 | 2021-11-30 | 国电南瑞科技股份有限公司 | 一种光伏逆变器故障预测方法 |
CN109002933B (zh) * | 2018-08-29 | 2022-06-14 | 福建亿榕信息技术有限公司 | 基于ReliefF和t-SNE的配电线路线变关系模型优化方法 |
CN110322364B (zh) * | 2019-06-19 | 2020-08-25 | 山东大学 | 一种短期光伏发电预测方法及系统 |
CN111797899B (zh) * | 2020-06-04 | 2023-11-07 | 国网江西省电力有限公司电力科学研究院 | 一种低压台区kmeans聚类方法及系统 |
CN112036456A (zh) * | 2020-08-19 | 2020-12-04 | 阳光电源股份有限公司 | 光伏故障数据生成方法、装置及计算机可读存储介质 |
CN112085621B (zh) * | 2020-09-11 | 2022-08-02 | 杭州华电下沙热电有限公司 | 一种基于K-Means-HMM模型的分布式光伏电站故障预警算法 |
CN112910288B (zh) * | 2020-12-08 | 2022-08-09 | 上海交通大学 | 一种基于逆变器散热器温度预测的过温预警方法 |
CN113092900B (zh) * | 2021-03-22 | 2023-04-07 | 阳光新能源开发股份有限公司 | 光伏逆变器的状态检测方法、装置及计算机可读存储介质 |
CN113435314B (zh) * | 2021-06-25 | 2023-02-21 | 陈珅 | 一种滚动轴承声信号早期故障敏感特征筛选方法和系统 |
CN114118596A (zh) * | 2021-11-30 | 2022-03-01 | 华能清能通榆电力有限公司 | 一种光伏发电量预测方法和装置 |
-
2022
- 2022-05-23 CN CN202210559326.2A patent/CN114710114B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN114710114A (zh) | 2022-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Xie et al. | A review of machine learning applications in power system resilience | |
Tao et al. | Fault diagnosis of photovoltaic array based on deep belief network optimized by genetic algorithm | |
KR20220021973A (ko) | 신경망 기반의 배터리 셀 불량 및 화재 사전 진단 방법 및 장치 | |
CN113992153B (zh) | 一种光伏电站可视化实时监测分布式管理系统 | |
CN111190349A (zh) | 船舶机舱设备状态监测及故障诊断方法、系统及介质 | |
Kile et al. | Data reduction via clustering and averaging for contingency and reliability analysis | |
Liu et al. | Intelligent fault diagnosis of photovoltaic array based on variable predictive models and I–V curves | |
CN111697590A (zh) | 一种基于熵权法的电力系统关键节点识别方法及系统 | |
CN116169675B (zh) | 考虑运行方式变化的电力系统动态稳定性在线评估方法 | |
CN114386537A (zh) | 基于CatBoost的锂电池故障诊断方法、装置及电子设备 | |
CN109272713A (zh) | 一种光伏电站组串集合的故障判断预警方法及系统 | |
Huang et al. | Research on transformer fault diagnosis method based on GWO optimized hybrid kernel extreme learning machine | |
Wang et al. | Data-driven transient stability assessment using sparse PMU sampling and online self-check function | |
CN114710114B (zh) | 光伏逆变器故障预测方法 | |
CN117458453A (zh) | 电力系统暂态稳定性的预测方法、系统、设备及存储介质 | |
CN116611003A (zh) | 一种变压器故障诊断方法、装置、介质 | |
CN114389265B (zh) | 基于增殖和缩减进化的电网紧急切负荷优化方法及系统 | |
CN115311509A (zh) | 基于图像化数据驱动的电力系统暂态稳定评估方法及系统 | |
Chokr et al. | Feature extraction-reduction and machine learning for fault diagnosis in PV panels | |
CN107508279B (zh) | 一种电力网络的稳定性仿真方法 | |
CN117520867B (zh) | 基于风电场等值建模优化的电力系统短路计算方法及装置 | |
Sun et al. | Classification of Frequency Disturbance Event in Power Systems Considering Optimal PMU Placement | |
CN117040119A (zh) | 电力设备的拓扑识别方法、装置、设备、介质和程序产品 | |
CN118008727A (zh) | 一种基于风电系统的故障预警装置及系统 | |
CN116885779A (zh) | 含海上风电电力系统线路评估方法、系统、装置及存储介质 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221130 Address after: 1008-1083, Floor 1, Building A, Yard 2, Yongcheng North Road, Haidian District, Beijing 100094 Patentee after: Beijing Huaqing Future Energy Technology Research Institute Co.,Ltd. Patentee after: Shandong Huake Information Technology Co.,Ltd. Patentee after: Beijing Huaqing Zhihui Energy Technology Co.,Ltd. Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Address before: 100089 No. 1008-1083, first floor, block a, building 1, yard 2, Yongcheng North Road, Haidian District, Beijing Patentee before: Beijing Huaqing Future Energy Technology Research Institute Co.,Ltd. Patentee before: Shandong Huake Information Technology Co.,Ltd. Patentee before: Beijing Huaqing Zhihui Energy Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230627 Address after: 1008-1083, Floor 1, Building A, Yard 2, Yongcheng North Road, Haidian District, Beijing 100094 Patentee after: Beijing Huaqing Future Energy Technology Research Institute Co.,Ltd. Patentee after: Shandong Huake Information Technology Co.,Ltd. Patentee after: Beijing Huaqing Zhihui Energy Technology Co.,Ltd. Address before: 1008-1083, Floor 1, Building A, Yard 2, Yongcheng North Road, Haidian District, Beijing 100094 Patentee before: Beijing Huaqing Future Energy Technology Research Institute Co.,Ltd. Patentee before: Shandong Huake Information Technology Co.,Ltd. Patentee before: Beijing Huaqing Zhihui Energy Technology Co.,Ltd. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230727 Address after: 1008-1083, Floor 1, Building A, Yard 2, Yongcheng North Road, Haidian District, Beijing 100094 Patentee after: Beijing Huaqing Future Energy Technology Research Institute Co.,Ltd. Patentee after: Shandong Huake Information Technology Co.,Ltd. Address before: 1008-1083, Floor 1, Building A, Yard 2, Yongcheng North Road, Haidian District, Beijing 100094 Patentee before: Beijing Huaqing Future Energy Technology Research Institute Co.,Ltd. Patentee before: Shandong Huake Information Technology Co.,Ltd. Patentee before: Beijing Huaqing Zhihui Energy Technology Co.,Ltd. |
|
TR01 | Transfer of patent right |