[1]张丽洁,张章,齐晓光,等.基于离散布谷鸟算法的综合能源系统电气互联鲁棒状态估计方法[J].机械与电子,2024,42(04):50-54.
　ZHANG Lijie,ZHANG Zhang,QI Xiaoguang,et al.Robust State Estimation Method for Electric-gas Interconnection of Integrated Energy System Based on Discrete Cuckoo Algorithm[J].Machinery & Electronics,2024,42(04):50-54.
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基于离散布谷鸟算法的综合能源系统电气互联鲁棒状态估计方法()

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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

Title:: Robust State Estimation Method for Electric-gas Interconnection of Integrated Energy System Based on Discrete Cuckoo Algorithm

作者:: 张丽洁¹ ; 张章 ¹; 齐晓光 ¹; 王聪 ²; 1. 国网河北省电力有限公司经济技术研究院,河北石家庄 050081 ;
2. 国网河北省电力有限公司石家庄供电分公司,河北石家庄 050004

Author(s):: ZHANG Lijie¹ ; ZHANG Zhang¹ ; QI Xiaoguang¹ ; WANG Cong²; ( 1.Economic and Technical Research Institute , State Grid Hebei Electric Power Co. , Ltd. , Shijiazhuang 050081 , China ;
2.Shijiazhuang Power Supply Company , State Grid Hebei Electric Power Co. , Ltd. , Shijiazhuang 050004 , China )

Keywords:: discrete cuckoo algorithm ; interated energy system ; electric-gas interconnection state estimation ; Bayesian measurement model

摘要:: 受量测装置采样时间单位不统一影响, GEIES量测数据误差较大,为提升 GEIES 状态估计精度,将离散布谷鸟算法应用至综合能源系统状态估计中,提出一种新的 GEIES 状态估计方法。建立贝叶斯量测模型获取气网和电网状态估计量测数据,增加量测数据集的完备性,为保证 GEIES 状态估计结果不受躁声因素影响,设置高斯噪声方差。将量测结果代入至 GEIES 状态估计中,分别建立电网状态估计模型和气网状态估计模型,并将二者结合建立综合能源系统电气互联鲁棒状态估计模型,通过离散布谷鸟算法求解该模型,获取状态估计最优解。算例结果表明,不论是无噪声环境还是有噪声环境,所提方法的状态估计结果精度均较高,且能够起到坏数据辨识的作用,说明其状态估计效果较好。

Abstract:: Due to the non-uniform sampling time-unit-of the measuring device , the error of the GEIES measurement data is relatively large.To improve the accuracy of the GEIES state estimation , a robust state estimation method for the integrated energy system electric-gas interconnection based on the discrete cuckoo algorithm is proposed.The Bayesian measurement model is established to obtain the measurement data of gas network and power grid state estimation , and the completeness of the measurement data set is increased.In order to ensure that the GEIES state estimation results are not affected by noise factors , the Gaussian noise variance is set.The measurement results are substituted into the GEIES state estimation , and the power grid state estimation model and the gas network state estimation model are established respectively.The robust state estimation model of the integrated energy system electric gas interconnection is established by combining the two.The discrete cuckoo algorithm is used to solve the model , and the optimal solution of the state estimation is obtained.The result of the example shows that the precision of the state estimation results of the designed method is high , and it can play the role of bad data identification , indicating that its state estimation effect is good.

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备注/Memo:: 收稿日期: 2023-09-19
基金项目:国网河北省电力有限公司科技项目( 5204JY22000K )
作者简介:张丽洁 ( 1988- ),女,河北衡水人,硕士,高级工程师,研究方向为电网规划、综合能源规划;张章 ( 1984- ),男,河南商丘人,硕士,高级工程师,研究方向为电网规划、综合能源规划;齐晓光 ( 1989- ),男,河北石家庄人,硕士,高级工程师,研究方向为电网规划设计;王聪 ( 1981- ),女,山西灵丘人,硕士,高级工程师,研究方向为电网规划设计。

更新日期/Last Update: 2024-04-30