Article(id=1192850378740872015, tenantId=1146029695717560320, journalId=1189987059142926344, issueId=1190985985849705466, articleNumber=null, orderNo=null, doi=10.19457/j.1001-2095.dqcd25337, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1693324800000, receivedDateStr=2023-08-30, revisedDate=1694707200000, revisedDateStr=2023-09-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1762327292380, onlineDateStr=2025-11-05, pubDate=1747670400000, pubDateStr=2025-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762327292380, onlineIssueDateStr=2025-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762327292380, creator=13701087609, updateTime=1762327292380, updator=13701087609, issue=Issue{id=1190985985849705466, tenantId=1146029695717560320, journalId=1189987059142926344, year='2025', volume='55', issue='5', pageStart='3', pageEnd='96', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1761882786476, creator=13701087609, updateTime=1762390467120, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1193115352897909350, tenantId=1146029695717560320, journalId=1189987059142926344, issueId=1190985985849705466, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1193115352897909351, tenantId=1146029695717560320, journalId=1189987059142926344, issueId=1190985985849705466, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=27, endPage=33, ext={EN=ArticleExt(id=1192850378912838481, articleId=1192850378740872015, tenantId=1146029695717560320, journalId=1189987059142926344, language=EN, title=Optimization Decision Method of Power Grid Agency Power Purchase for Electricity Price Fluctuation Suppression, columnId=null, journalTitle=Electric Drive, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The electricity power price setting mechanism will be fundamentally reformed with the continuous advancement of a new round of electricity market-oriented reform. Presently,some provincial and regional power grid enterprises are facing the problem of large fluctuations in electricity prices,which is not conducive to the in-depth promotion of electricity marketization reform. Firstly,based on the partial least squares method,the agency power purchase price formation model was established. Then,the main factors affecting the fluctuation of power purchase price were analyzed,and the mechanism of the influence of power supply and consumption balance on the price change of different types of electricity consumption was clarified. In order to reduce the fluctuation of electricity purchase price,a multi-objective optimization model of agent electricity purchase was established with the constraint of power supply and consumption balance. The actual example results show that the model can realize the reasonable distribution of power consumption among different types of power sources in the process of agent power purchase,and effectively reduce the fluctuation of agent power purchase price.
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电力价格形成机制将随新一轮电力市场化改革的不断推进而发生根本性改变,目前部分省区电网企业代理购电面临电价波动大的问题,不利于电力市场化改革的深入推进。首先,基于偏最小二乘法建立了代理购电价格形成模型。然后,分析了影响购电价格波动的主要因素,明确了供用电平衡情况对不同类型用电量价格变动影响的机理。最后,以减小购电价格波动为目标,建立了以供用电电量平衡为约束条件的代理购电量多目标优化模型。实际算例结果表明:该模型可实现代理购电过程中各用电量在不同类型电源间的合理分配,有效减少了代理购电电价的波动。
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1 Economic and Technological Research Institute,State Grid Hubei Electric Power Co.,Ltd.,Wuhan 430077,Hubei,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1193114670035858347, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, authorId=1193114669876474792, language=CN, stringName=阮博, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 国网湖北省电力有限公司 经济技术研究院,湖北 武汉 430077, bio={"content":"
阮博(1989—),男,硕士,高级工程师,主要研究方向为电力系统分析、电力市场相关工作,Email:Ruanbo@qq.com
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阮博(1989—),男,硕士,高级工程师,主要研究方向为电力系统分析、电力市场相关工作,Email:Ruanbo@qq.com
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2020., articleTitle=null, refAbstract=null)], funds=[Fund(id=1193114674444071907, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, awardId=2022YFF0610601, language=CN, fundingSource=国家重点研发计划项目(2022YFF0610601), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1193114669687731105, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, xref=1, ext=[AuthorCompanyExt(id=1193114669696119714, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, companyId=1193114669687731105, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Economic and Technological Research Institute,State Grid Hubei Electric Power Co.,Ltd.,Wuhan 430077,Hubei,China), AuthorCompanyExt(id=1193114669704508323, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, companyId=1193114669687731105, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 国网湖北省电力有限公司 经济技术研究院,湖北 武汉 430077)]), AuthorCompany(id=1193114669784200100, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, xref=2, ext=[AuthorCompanyExt(id=1193114669792588709, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, companyId=1193114669784200100, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 School of Electrical Engineering and Automation,Wuhan University,Wuhan 430072,Hubei,China), AuthorCompanyExt(id=1193114669800977318, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, companyId=1193114669784200100, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 武汉大学 电气与自动化学院,湖北 武汉 430072)])], figs=[ArticleFig(id=1193114671990404047, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Fig.1, caption=
Overall average electricity purchase prices from January to December in 2022, figureFileSmall=fTZVGymzUcD3rC/RzIsRmg==, figureFileBig=Ov5z6MIugrTxq8O7+y1daA==, tableContent=null), ArticleFig(id=1193114672057512912, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=图1, caption=
2022年1月至12月的总体平均购电均价, figureFileSmall=fTZVGymzUcD3rC/RzIsRmg==, figureFileBig=Ov5z6MIugrTxq8O7+y1daA==, tableContent=null), ArticleFig(id=1193114672158176209, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Fig.2, caption=
Comparison between annual forecast and actual values, figureFileSmall=B5+/yqa/3jMwBc7Nz/SO/g==, figureFileBig=iK91VufQ4VgV1ErhJw0whw==, tableContent=null), ArticleFig(id=1193114672225285074, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=图2, caption=
全年拟合值与实际值对比, figureFileSmall=B5+/yqa/3jMwBc7Nz/SO/g==, figureFileBig=iK91VufQ4VgV1ErhJw0whw==, tableContent=null), ArticleFig(id=1193114672296588243, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Fig.3, caption=
Monthly forecast error, figureFileSmall=xAGQ+nKakvDapZz0Wwyk6w==, figureFileBig=5aQ1ViDGjIUPQwng1fKrgA==, tableContent=null), ArticleFig(id=1193114672359502804, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=图3, caption=
各月份预测误差, figureFileSmall=xAGQ+nKakvDapZz0Wwyk6w==, figureFileBig=5aQ1ViDGjIUPQwng1fKrgA==, tableContent=null), ArticleFig(id=1193114672426611669, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Fig.4, caption=
Multi-objective optimization solution results of electricity purchase price, figureFileSmall=yP5FGWvOIuOmzvsJgp6gpg==, figureFileBig=i4cNqNOxLPh5uKCHeS9KcQ==, tableContent=null), ArticleFig(id=1193114673429050326, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=图4, caption=
优化后各用电量的购电组成, figureFileSmall=yP5FGWvOIuOmzvsJgp6gpg==, figureFileBig=i4cNqNOxLPh5uKCHeS9KcQ==, tableContent=null), ArticleFig(id=1193114673504547799, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Fig.5, caption=
Comparison before and after optimization of average purchase price of various types of electricity consumption, figureFileSmall=Riy+R/yCcvaV6jAJ3tHP3w==, figureFileBig=uSbOU/7zNcvXmmLC51AbRw==, tableContent=null), ArticleFig(id=1193114673601016792, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=图5, caption=
各类型用电量购电均价优化前、后对比, figureFileSmall=Riy+R/yCcvaV6jAJ3tHP3w==, figureFileBig=uSbOU/7zNcvXmmLC51AbRw==, tableContent=null), ArticleFig(id=1193114673689097177, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Fig.6, caption=
Comparison before and after optimization of the overall average price fluctuation of power purchase, figureFileSmall=LELZehPqNtWE9xamtVLp8w==, figureFileBig=EIBtVDdH672k3naiXQhfzA==, tableContent=null), ArticleFig(id=1193114673752011738, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=图6, caption=
总体购电均价波动优化前后对比, figureFileSmall=LELZehPqNtWE9xamtVLp8w==, figureFileBig=EIBtVDdH672k3naiXQhfzA==, tableContent=null), ArticleFig(id=1193114673823314907, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Tab.1, caption=
Correlation coefficient of the model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 购电均价 | 水电 | 外购电 | 风电 | 光伏 | 火电 |
| 购电均价 | 1.000 | 0.915 | 0.318 | 0.386 | 0.338 | 0.860 |
| 水电 | — | 1.000 | -0.226 | 0.196 | 0.430 | 0.610 |
| 外购电 | — | — | 1.000 | 0.202 | 0.693 | 0.347 |
| 风电 | — | — | — | 1.000 | 0.435 | 0.536 |
| 光伏 | — | — | — | — | 1.000 | 0.211 |
| 火电 | — | — | — | — | — | 1.000 |
), ArticleFig(id=1193114673898812380, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=表1, caption=
模型的皮尔逊相关系数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 购电均价 | 水电 | 外购电 | 风电 | 光伏 | 火电 |
| 购电均价 | 1.000 | 0.915 | 0.318 | 0.386 | 0.338 | 0.860 |
| 水电 | — | 1.000 | -0.226 | 0.196 | 0.430 | 0.610 |
| 外购电 | — | — | 1.000 | 0.202 | 0.693 | 0.347 |
| 风电 | — | — | — | 1.000 | 0.435 | 0.536 |
| 光伏 | — | — | — | — | 1.000 | 0.211 |
| 火电 | — | — | — | — | — | 1.000 |
), ArticleFig(id=1193114673961726941, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Tab.2, caption=
Forecast results of average electricity purchase price
, figureFileSmall=null, figureFileBig=null, tableContent=
| 月份 | 实际均价 [元/(kW·h)-1] | 预测均价 [元/(kW·h)-1] | 预测值 APE/% | 拟合值 MAPE/% |
| 11 | 0.435 0 | 0.431 4 | 0.83 | 0.85 |
| 12 | 0.436 7 | 0.438 8 | 0.48 | 0.82 |
), ArticleFig(id=1193114674028835806, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=表2, caption=
购电均价预测结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 月份 | 实际均价 [元/(kW·h)-1] | 预测均价 [元/(kW·h)-1] | 预测值 APE/% | 拟合值 MAPE/% |
| 11 | 0.435 0 | 0.431 4 | 0.83 | 0.85 |
| 12 | 0.436 7 | 0.438 8 | 0.48 | 0.82 |
), ArticleFig(id=1193114674095944671, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Tab.3, caption=
Electricity consumption data of the province in August 2022 亿kW·h
, figureFileSmall=null, figureFileBig=null, tableContent=
居民农业 生活用电量 | 线损电量 | 代理工商 业用电量 | 直接交易市场 化用电量 | 总用电量 |
| 87.360 | 11.193 | 55.000 | 84.600 | 238.153 |
), ArticleFig(id=1193114674163053536, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=表3, caption=
某省2022年8月用电量数据
, figureFileSmall=null, figureFileBig=null, tableContent=
居民农业 生活用电量 | 线损电量 | 代理工商 业用电量 | 直接交易市场 化用电量 | 总用电量 |
| 87.360 | 11.193 | 55.000 | 84.600 | 238.153 |
), ArticleFig(id=1193114674221773793, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=EN, label=Tab.4, caption=
Electricity purchase data of the province in August 2022
, figureFileSmall=null, figureFileBig=null, tableContent=
| 购电类型 | 购电量/ (亿kW·h) | 购电价格/ [元·(kW·h)] | 总购电量/ (亿kW·h) |
| 水电 | 统调水电 | 47.856 | 0.294 2 | 59.180 |
| 非统调水电 | 11.324 | 0.340 8 |
| 风电 | 统调风电 | 4.799 | 0.416 1 | 12.809 |
| 非统调风电 | 8.010 | 0.416 7 |
| 光伏 | 统调光伏 | 5.537 | 0.416 1 | 13.324 |
| 非统调光伏 | 7.787 | 0.416 1 |
| 外购电 | 燃煤 | 6.422 | 0.470 4 | 15.176 |
| 非燃煤 | 8.754 | 0.400 5 |
| 火电 | 燃煤 | 129.487 | 0.499 2 | 136.933 |
| 燃气 | 4.204 | 0.633 3 |
| 其他发电 | 3.242 | 0.414 4 |
| 内部电厂上网 | 0.731 | 0.00 | 0.731 |
| 合计 | 238.153 | | 238.153 |
), ArticleFig(id=1193114674297271266, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1192850378740872015, language=CN, label=表4, caption=
某省2022年8月购电量数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 购电类型 | 购电量/ (亿kW·h) | 购电价格/ [元·(kW·h)] | 总购电量/ (亿kW·h) |
| 水电 | 统调水电 | 47.856 | 0.294 2 | 59.180 |
| 非统调水电 | 11.324 | 0.340 8 |
| 风电 | 统调风电 | 4.799 | 0.416 1 | 12.809 |
| 非统调风电 | 8.010 | 0.416 7 |
| 光伏 | 统调光伏 | 5.537 | 0.416 1 | 13.324 |
| 非统调光伏 | 7.787 | 0.416 1 |
| 外购电 | 燃煤 | 6.422 | 0.470 4 | 15.176 |
| 非燃煤 | 8.754 | 0.400 5 |
| 火电 | 燃煤 | 129.487 | 0.499 2 | 136.933 |
| 燃气 | 4.204 | 0.633 3 |
| 其他发电 | 3.242 | 0.414 4 |
| 内部电厂上网 | 0.731 | 0.00 | 0.731 |
| 合计 | 238.153 | | 238.153 |
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