Article(id=1223185960393888063, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20220960, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1651334400000, receivedDateStr=2022-05-01, revisedDate=1653580800000, revisedDateStr=2022-05-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1769559858653, onlineDateStr=2026-01-28, pubDate=1679673600000, pubDateStr=2023-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769559858653, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769559858653, creator=13701087609, updateTime=1769559858653, updator=13701087609, issue=Issue{id=1223185958363841064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='3', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769559858149, creator=13701087609, updateTime=1769561242661, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223191765415477785, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223191765415477786, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=70, endPage=74, ext={EN=ArticleExt(id=1223185960792346950, articleId=1223185960393888063, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Annual Temporal Scenario Probabilistic Prediction of Runoff and Associated Source & Load of Hydropower Station, columnId=1222925283431272938, journalTitle=Water Resources and Power, columnName=HYDROLOGICAL FORECAST AND OPTIMAL SCHEDULING, runingTitle=null, highlight=null, articleAbstract=

To fully consider the temporal volatility and randomness of runoff and associated source & load in the optimal dispatch of hydropower and reduce spillage water, a probabilistic prediction method of annual scenarios for hydropower runoff and associated source & load was proposed to simulate the typical annual temporal scenarios of average daily runoff and associated source & load and their probability of occurrence. Several typical ten-day scenarios were generated by clustering with a self-organization mapping net (SOM). Then a ten-day scenario simulation model was built based on a Markov-chain probability matrix, a multi-scenario conditional probability matrix, and the similarity principle— "the closer historical year, the larger weight." It ensures that the simulated scenarios accurately fit the statistical characteristics of actual data (randomness, seasonality, and conditional correlation) for intra-year and reflect the trend evolution year-to-year. Combined with the fluctuation checks, annual temporal scenarios were simulated by the Monte Carlo method. Finally, the k-means scenario reduction was used to obtain typical annual temporal scenarios and their probability of occurrence. The results of an actual hydropower example show that the proposed method has the advantages of high accuracy, strong adaptability, and comprehensive prediction information.

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为在水电消纳优化调度中充分考虑径流和关联源荷功率的时序波动性和随机性的影响,减少弃水事件发生,提出一种水电站径流与关联源荷年时序场景概率预测方法,模拟生成日均径流量和关联源荷功率的年时序典型场景及其发生概率。通过自组织映射神经网络聚类历史旬场景生成旬典型场景,反映丰枯不同水文条件下径流和关联源荷旬内变化的差异性和典型性;基于马尔可夫转移概率、多场景条件概率和历史年“近大远小”相似性原则,构建旬场景随机生成模型,使模拟场景既能准确拟合实际径流和源荷功率年内时序变化的随机性、季节性和条件相关性等统计特征,又能体现年间趋势性变化规律;结合旬间波动量校验对年时序场景蒙特卡罗模拟,并通过k-means场景缩减获得径流和关联源荷的年时序典型场景及其发生概率。实际水电站算例结果表明,该方法具有精度高、适应性强、预测信息全面等优点。

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李丹(1980-),女,博士、副教授/工程师、硕导,研究方向为电力负荷与新能源预测和电力系统概率分析,E-mail:
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陈强(1991-),男,硕士、工程师,研究方向为水库调度管理和水电站经济运行,E-mail:

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陈强(1991-),男,硕士、工程师,研究方向为水库调度管理和水电站经济运行,E-mail:

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陈强(1991-),男,硕士、工程师,研究方向为水库调度管理和水电站经济运行,E-mail:

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水电站径流和关联源荷的年时序场景概率预测
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陈强 1 , 章可 2, 3 , 舒西刚 4 , 朱颖 4 , 雷佳 5 , 李丹 2
水电能源科学 | 水情测报与优化调度 2023,41(3): 70-74
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水电能源科学 | 水情测报与优化调度 2023, 41(3): 70-74
水电站径流和关联源荷的年时序场景概率预测
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陈强1 , 章可2, 3, 舒西刚4, 朱颖4, 雷佳5, 李丹2
作者信息
  • 1.中国大唐集团有限公司重庆分公司集控中心,重庆 400020
  • 2.三峡大学电气与新能源学院,湖北 宜昌 443002
  • 3.新能源微电网湖北省协同创新中心,湖北 宜昌 443002
  • 4.重庆大唐国际彭水水电开发有限公司,重庆 409600
  • 5.重庆大唐国际武隆水电开发有限公司,重庆 408500
  • 陈强(1991-),男,硕士、工程师,研究方向为水库调度管理和水电站经济运行,E-mail:

通讯作者:

李丹(1980-),女,博士、副教授/工程师、硕导,研究方向为电力负荷与新能源预测和电力系统概率分析,E-mail:
Annual Temporal Scenario Probabilistic Prediction of Runoff and Associated Source & Load of Hydropower Station
Qiang CHEN1 , Ke ZHANG2, 3, Xi-gang SHU4, Ying ZHU4, Jia LEI5, Dan LI2
Affiliations
  • 1.Centralized Control Center of Chongqing Branch, China Datang Group Co., Ltd., Chongqing 400020, China
  • 2.College of Electrical and New Energy, China Three Gorges University, Yichang 443002, China
  • 3.Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, China Three Gorges University, Yichang 443002, China
  • 4.Chongqing Datang International Pengshui Hydropower Development Co., Ltd., Chongqing 409600, China
  • 5.Chongqing Datang International Wulong Hydropower Development Co., Ltd., Chongqing 408500, China
出版时间: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20220960
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为在水电消纳优化调度中充分考虑径流和关联源荷功率的时序波动性和随机性的影响,减少弃水事件发生,提出一种水电站径流与关联源荷年时序场景概率预测方法,模拟生成日均径流量和关联源荷功率的年时序典型场景及其发生概率。通过自组织映射神经网络聚类历史旬场景生成旬典型场景,反映丰枯不同水文条件下径流和关联源荷旬内变化的差异性和典型性;基于马尔可夫转移概率、多场景条件概率和历史年“近大远小”相似性原则,构建旬场景随机生成模型,使模拟场景既能准确拟合实际径流和源荷功率年内时序变化的随机性、季节性和条件相关性等统计特征,又能体现年间趋势性变化规律;结合旬间波动量校验对年时序场景蒙特卡罗模拟,并通过k-means场景缩减获得径流和关联源荷的年时序典型场景及其发生概率。实际水电站算例结果表明,该方法具有精度高、适应性强、预测信息全面等优点。

径流预测  /  功率预测  /  随机模拟  /  自组织映射神经网络  /  条件概率  /  马尔可夫链

To fully consider the temporal volatility and randomness of runoff and associated source & load in the optimal dispatch of hydropower and reduce spillage water, a probabilistic prediction method of annual scenarios for hydropower runoff and associated source & load was proposed to simulate the typical annual temporal scenarios of average daily runoff and associated source & load and their probability of occurrence. Several typical ten-day scenarios were generated by clustering with a self-organization mapping net (SOM). Then a ten-day scenario simulation model was built based on a Markov-chain probability matrix, a multi-scenario conditional probability matrix, and the similarity principle— "the closer historical year, the larger weight." It ensures that the simulated scenarios accurately fit the statistical characteristics of actual data (randomness, seasonality, and conditional correlation) for intra-year and reflect the trend evolution year-to-year. Combined with the fluctuation checks, annual temporal scenarios were simulated by the Monte Carlo method. Finally, the k-means scenario reduction was used to obtain typical annual temporal scenarios and their probability of occurrence. The results of an actual hydropower example show that the proposed method has the advantages of high accuracy, strong adaptability, and comprehensive prediction information.

runoff prediction  /  power prediction  /  stochastic simulation  /  self-organization mapping network  /  conditional probability  /  Markov chain
陈强, 章可, 舒西刚, 朱颖, 雷佳, 李丹. 水电站径流和关联源荷的年时序场景概率预测. 水电能源科学, 2023 , 41 (3) : 70 -74 . DOI: 10.20040/j.cnki.1000-7709.2023.20220960
Qiang CHEN, Ke ZHANG, Xi-gang SHU, Ying ZHU, Jia LEI, Dan LI. Annual Temporal Scenario Probabilistic Prediction of Runoff and Associated Source & Load of Hydropower Station[J]. Water Resources and Power, 2023 , 41 (3) : 70 -74 . DOI: 10.20040/j.cnki.1000-7709.2023.20220960
  • 国家自然科学基金青年基金项目(51807109)
2023年第41卷第3期
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doi: 10.20040/j.cnki.1000-7709.2023.20220960
  • 接收时间:2022-05-01
  • 首发时间:2026-01-28
  • 出版时间:2023-03-25
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  • 收稿日期:2022-05-01
  • 修回日期:2022-05-27
基金
国家自然科学基金青年基金项目(51807109)
作者信息
    1.中国大唐集团有限公司重庆分公司集控中心,重庆 400020
    2.三峡大学电气与新能源学院,湖北 宜昌 443002
    3.新能源微电网湖北省协同创新中心,湖北 宜昌 443002
    4.重庆大唐国际彭水水电开发有限公司,重庆 409600
    5.重庆大唐国际武隆水电开发有限公司,重庆 408500

通讯作者:

李丹(1980-),女,博士、副教授/工程师、硕导,研究方向为电力负荷与新能源预测和电力系统概率分析,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2023.20220960
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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