Article(id=1202649046633636289, tenantId=1146029695717560320, journalId=1190235702286704641, issueId=1202649045064970391, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1730822400000, receivedDateStr=2024-11-06, revisedDate=1733846400000, revisedDateStr=2024-12-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1764663476856, onlineDateStr=2025-12-02, pubDate=1744646400000, pubDateStr=2025-04-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764663476856, onlineIssueDateStr=2025-12-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764663476856, creator=13701087609, updateTime=1764663476856, updator=13701087609, issue=Issue{id=1202649045064970391, tenantId=1146029695717560320, journalId=1190235702286704641, year='2025', volume='26', issue='4', pageStart='1', pageEnd='84', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764663476482, creator=13701087609, updateTime=1768394410677, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218297717336490184, tenantId=1146029695717560320, journalId=1190235702286704641, issueId=1202649045064970391, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218297717336490185, tenantId=1146029695717560320, journalId=1190235702286704641, issueId=1202649045064970391, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=37, endPage=43, ext={EN=ArticleExt(id=1202649046876905924, articleId=1202649046633636289, tenantId=1146029695717560320, journalId=1190235702286704641, language=EN, title=Load forecasting based on Markov residual correction-autoregressive moving average model, columnId=1190338913429459072, journalTitle=Electrical Engineering, columnName=Research & Development, runingTitle=null, highlight=null, articleAbstract=
To improve the forcasting accuracy of short and medium term loads, this article proposes an autoregressive moving average model based on Markov residual correction. The autoregressive moving average model is used to predict the load and calculate the residual, and the Markov residual correction algorithm is used to correct the prediction results. The engineering case verification shows that the average absolute error of load forecasting obtained by the autoregressive moving average model is 13.67%. After Markov residual correction, the average absolute error of load forecasting is 6.912%, and the prediction accuracy is improved by 49.4%. It is concluded that the load forecasting model proposed in this article has certain significance for guiding industrial users in short and medium term loads forecasting.
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为提高中短期负荷预测的准确度,本文提出基于马尔科夫残差修正的自回归滑动平均模型。采用自回归滑动平均模型进行用电负荷预测和残差计算,利用马尔科夫残差修正算法对预测结果进行修正。工程案例表明,自回归滑动平均模型的负荷预测误差绝对值均值为13.67%,经马尔科夫残差修正后的负荷预测误差绝对值均值为6.912%,预测准确度提升了49.4%,证明本文所提中短期负荷预测模型可以用于指导工业用户中短期生产调度等。
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惠 杰(1992—),男,河南省南阳市人,硕士,主要从事电力设备产品结构研发工作。
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负荷功率预测结果对比, figureFileSmall=neRwDM8N/4aeeZVuyS8+jg==, figureFileBig=bqdGPpIQ9BxpC+7M6kuUsQ==, tableContent=null), ArticleFig(id=1218290869556400667, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1202649046633636289, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 自相关系数 | 偏自相关系数 | 模型定阶 |
| 拖尾 | p阶截尾 | AR(p)模型 |
| q阶截尾 | 拖尾 | MA(q)模型 |
| 拖尾 | 拖尾 | ARMA(p,q)模型 |
), ArticleFig(id=1218290870831469086, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1202649046633636289, language=CN, label=表1, caption=
自相关与偏自相关理论模式
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| 自相关系数 | 偏自相关系数 | 模型定阶 |
| 拖尾 | p阶截尾 | AR(p)模型 |
| q阶截尾 | 拖尾 | MA(q)模型 |
| 拖尾 | 拖尾 | ARMA(p,q)模型 |
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| 时间 | 实测值/kW | 预测值/kW | 残差/kW | 预测 误差/% |
| 2023-12-25 | 1 680.938 | 1 609.156 | -71.782 | -4.270 |
| 2023-12-26 | 2 018.271 | 1 800.236 | -218.035 | -10.803 |
| 2023-12-27 | 1 941.042 | 1 854.628 | -86.414 | -4.452 |
| 2023-12-28 | 2 128.042 | 2 055.674 | -72.368 | -3.401 |
| 2023-12-29 | 2 128.729 | 1 840.800 | -287.929 | -13.526 |
| 2023-12-30 | 1 679.792 | 1 352.475 | -327.317 | -19.486 |
| 2023-12-31 | 834.854 | 590.946 | -243.908 | -29.216 |
| 2024-01-01 | 1 884.667 | 1 527.122 | -357.545 | -18.971 |
| 2024-01-02 | 2 002.688 | 1 845.278 | -157.410 | -7.860 |
| 2024-01-03 | 2 112.000 | 1 801.618 | -310.382 | -14.696 |
| 2024-01-04 | 2 097.104 | 2 023.963 | -73.141 | -3.488 |
| 2024-01-05 | 1 821.188 | 1 861.138 | 39.950 | 2.194 |
| 2024-01-06 | 1 404.563 | 1 284.913 | -119.650 | -8.519 |
| 2024-01-07 | 979.458 | 593.202 | -386.256 | -39.436 |
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ARMA模型负荷预测数据
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| 时间 | 实测值/kW | 预测值/kW | 残差/kW | 预测 误差/% |
| 2023-12-25 | 1 680.938 | 1 609.156 | -71.782 | -4.270 |
| 2023-12-26 | 2 018.271 | 1 800.236 | -218.035 | -10.803 |
| 2023-12-27 | 1 941.042 | 1 854.628 | -86.414 | -4.452 |
| 2023-12-28 | 2 128.042 | 2 055.674 | -72.368 | -3.401 |
| 2023-12-29 | 2 128.729 | 1 840.800 | -287.929 | -13.526 |
| 2023-12-30 | 1 679.792 | 1 352.475 | -327.317 | -19.486 |
| 2023-12-31 | 834.854 | 590.946 | -243.908 | -29.216 |
| 2024-01-01 | 1 884.667 | 1 527.122 | -357.545 | -18.971 |
| 2024-01-02 | 2 002.688 | 1 845.278 | -157.410 | -7.860 |
| 2024-01-03 | 2 112.000 | 1 801.618 | -310.382 | -14.696 |
| 2024-01-04 | 2 097.104 | 2 023.963 | -73.141 | -3.488 |
| 2024-01-05 | 1 821.188 | 1 861.138 | 39.950 | 2.194 |
| 2024-01-06 | 1 404.563 | 1 284.913 | -119.650 | -8.519 |
| 2024-01-07 | 979.458 | 593.202 | -386.256 | -39.436 |
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| 时间 | 预测误差/% | 归一化结果 |
| 2023-12-25 | -4.270 | 0.966 |
| 2023-12-26 | -10.803 | 0.713 |
| 2023-12-27 | -4.452 | 0.959 |
| 2023-12-28 | -3.401 | 1.000 |
| 2023-12-29 | -13.526 | 0.608 |
| 2023-12-30 | -19.486 | 0.377 |
| 2023-12-31 | -29.216 | 0 |
| 2024-01-01 | -18.971 | 0.397 |
| 2024-01-02 | -7.860 | 0.827 |
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原始预测误差及其归一化结果
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| 时间 | 预测误差/% | 归一化结果 |
| 2023-12-25 | -4.270 | 0.966 |
| 2023-12-26 | -10.803 | 0.713 |
| 2023-12-27 | -4.452 | 0.959 |
| 2023-12-28 | -3.401 | 1.000 |
| 2023-12-29 | -13.526 | 0.608 |
| 2023-12-30 | -19.486 | 0.377 |
| 2023-12-31 | -29.216 | 0 |
| 2024-01-01 | -18.971 | 0.397 |
| 2024-01-02 | -7.860 | 0.827 |
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| 时间 | 预测误差/% | 状态区间 |
| 2023-12-25 | -4.270 | Q3 |
| 2023-12-26 | -10.803 | Q2 |
| 2023-12-27 | -4.452 | Q3 |
| 2023-12-28 | -3.401 | Q3 |
| 2023-12-29 | -13.526 | Q2 |
| 2023-12-30 | -19.486 | Q2 |
| 2023-12-31 | -29.216 | Q1 |
| 2024-01-01 | -18.971 | Q2 |
| 2024-01-02 | -7.860 | Q3 |
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负荷预测误差状态区间
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| 时间 | 预测误差/% | 状态区间 |
| 2023-12-25 | -4.270 | Q3 |
| 2023-12-26 | -10.803 | Q2 |
| 2023-12-27 | -4.452 | Q3 |
| 2023-12-28 | -3.401 | Q3 |
| 2023-12-29 | -13.526 | Q2 |
| 2023-12-30 | -19.486 | Q2 |
| 2023-12-31 | -29.216 | Q1 |
| 2024-01-01 | -18.971 | Q2 |
| 2024-01-02 | -7.860 | Q3 |
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| 状态区间 | Q1 | Q2 | Q3 | 合计 |
| Q1 | 0 | 1 | 0 | 1 |
| Q2 | 1 | 1 | 2 | 4 |
| Q3 | 0 | 2 | 1 | 3 |
| 合计 | 1 | 4 | 3 | |
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状态转移表
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| 状态区间 | Q1 | Q2 | Q3 | 合计 |
| Q1 | 0 | 1 | 0 | 1 |
| Q2 | 1 | 1 | 2 | 4 |
| Q3 | 0 | 2 | 1 | 3 |
| 合计 | 1 | 4 | 3 | |
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| 日期 | 实测值/kW | 预测值/kW | 原始误差/% | 修正区间 | 修正值/kW | 修正误差/% |
| 2024-01-02 | 2 002.688 | 1 845.278 | -7.860 | 初始状态区间Q3,初始向量为(0, 0, 1) |
| 2024-01-03 | 2 112.000 | 1 801.618 | -14.696 | Q2 | 2 122.559 | 0.50 |
| 2024-01-04 | 2 097.104 | 2 023.963 | -3.488 | Q3 | 2 165.950 | 3.28 |
| 2024-01-05 | 1 821.188 | 1 861.138 | 2.194 | Q3 | 1 991.551 | 9.35 |
| 2024-01-06 | 1 404.563 | 1 284.913 | -8.519 | Q3 | 1 374.949 | -2.11 |
| 2024-01-07 | 979.458 | 593.202 | -39.436 | Q1 | 790.173 | -19.32 |
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采用马尔科夫残差修正算法前后的负荷预测结果
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| 日期 | 实测值/kW | 预测值/kW | 原始误差/% | 修正区间 | 修正值/kW | 修正误差/% |
| 2024-01-02 | 2 002.688 | 1 845.278 | -7.860 | 初始状态区间Q3,初始向量为(0, 0, 1) |
| 2024-01-03 | 2 112.000 | 1 801.618 | -14.696 | Q2 | 2 122.559 | 0.50 |
| 2024-01-04 | 2 097.104 | 2 023.963 | -3.488 | Q3 | 2 165.950 | 3.28 |
| 2024-01-05 | 1 821.188 | 1 861.138 | 2.194 | Q3 | 1 991.551 | 9.35 |
| 2024-01-06 | 1 404.563 | 1 284.913 | -8.519 | Q3 | 1 374.949 | -2.11 |
| 2024-01-07 | 979.458 | 593.202 | -39.436 | Q1 | 790.173 | -19.32 |
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| 模型 | 预测误差绝对值 均值/% | 平均计算 时间/min |
| 本文模型 | 马尔科夫残差修正的ARMA模型 | 6.912 | 0.051 |
| 文献[4] | 回归分析模型 | 16.680 | 0.012 |
| 边缘计算模型 | 9.190 | 0.063 |
| 文献[9] | 数据挖掘的支持向量机模型 | 4.494 | 0.098 |
| 人工神经网络模型 | 6.625 | 0.084 |
| 文献[10] | 单链马尔科夫模型 | 9.750 | 0.037 |
| 双耦合马尔科夫模型 | 2.570 | 0.103 |
| 文献[22] | 改进日周期自回归模型 | 6.430 | 0.022 |
| 基本日周期自回归模型 | 7.550 | 0.063 |
| 改进周周期自回归模型 | 8.610 | 0.071 |
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不同模型预测结果对比
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| 模型 | 预测误差绝对值 均值/% | 平均计算 时间/min |
| 本文模型 | 马尔科夫残差修正的ARMA模型 | 6.912 | 0.051 |
| 文献[4] | 回归分析模型 | 16.680 | 0.012 |
| 边缘计算模型 | 9.190 | 0.063 |
| 文献[9] | 数据挖掘的支持向量机模型 | 4.494 | 0.098 |
| 人工神经网络模型 | 6.625 | 0.084 |
| 文献[10] | 单链马尔科夫模型 | 9.750 | 0.037 |
| 双耦合马尔科夫模型 | 2.570 | 0.103 |
| 文献[22] | 改进日周期自回归模型 | 6.430 | 0.022 |
| 基本日周期自回归模型 | 7.550 | 0.063 |
| 改进周周期自回归模型 | 8.610 | 0.071 |
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