考虑不确定性的配电网损耗分析方法研究

Research on Loss Analysis Method of Distribution Network Considering Uncertainty

吴方权 ¹代湘蓉 ²汤成佳 ¹渠智毅²

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作者信息

1. 贵州电网有限责任公司信息中心,贵州贵阳 550003
2. 贵州电网有限责任公司市场营销部,贵州贵阳 550002
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摘要

针对配电网损耗分析时分布式电源(DG)功率输出存在的不确定性问题,提出了一种基于拉丁超立方体采样(LHS)的考虑不确定性的配电网损耗分析方法.首先,建立了配电网损耗模型,分析了负荷配电损耗和DG损耗计算方法.其次,针对DG功率输出的不确定性问题,应用LHS评估配电网随机损耗.在试验阶段,以IEEE 36馈线系统为例验证所提方法.与随机采样方法相比,所提方法电压平均值误差更低,且误差曲线更加光滑.该方法可以更精确地计算配电节点的损耗.

Abstract

Aiming at the uncertainty problem of distributed generation(DG)power output in distribution network loss analysis,a distribution network loss analysis method considering uncertainty based on latin hypercube sampling(LHS)is proposed.Firstly,a distribution network loss model is established,and the load distribution loss and DG loss calculation methods are analyzed.Secondly,the LHS is applied to evaluate the distribution network stochastic losses for the uncertainty problem of DG power output.In the experimental stage,the proposed method is validated using the IEEE 36 feeder system as an example.Compared with the random sampling method,the proposed method has lower voltage mean error and smoother error curve.The method can calculate the distribution node's loss more accurate.

关键词

配电网/分布式电源/损耗计算/有功功率/无功功率/不确定性/负荷/拉丁超立方体采样

Key words

Distribution network/Distributed generation(DG)/Loss calculation/Active power/Reactive power/Uncertainty/Load/Latin hypercube sampling(LHS)

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出版年

2024

自动化仪表

中国仪器仪表学会上海工业自动化仪表研究院

自动化仪表

CSTPCD

影响因子：0.655

ISSN：1000-0380

参考文献量10

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