上海地区配电网架空线路工程造价偏差与影响因素分析

Analysis of Cost Deviation and Influencing Factors of Overhead Line Engineering of Distribution Network in Shanghai

在快速发展的城市化和工业化背景下,配电网工程建设需求不断增长,配电网工程的造价管控是目前重点关注的问题之一。配电网工程造价受到市场价格波动及建设规模变化等多重因素的影响,找到其中主要影响因素进行重点管控,可以有效提升造价预测准确率。聚焦配电网架空线路工程造价,基于上海地区样本数据进行实证研究,通过数据分析工具为上海地区配电网架空线路工程造价提供帮助。首先,基于工程结余率进行造价偏差分析;其次,通过主成分分析法从配电网架空线路工程造价的众多影响因素中筛选出关键影响因素,有助于电力工程相关单位更好地进行造价管控,减少偏差。

In the context of rapid urbanization and industrialization,the demand for distribution network engineering construction is constantly increasing,and cost control of distribution network engineering is currently one of the key issues of concern.The engineering cost may be influenced by multiple factors such as market price fluctuations and changes in construction scale.Identifying the main influencing factors for key control can effectively improve the accuracy of cost prediction.It is focused on the cost of overhead line engineering in the distribution network,and empirical research is conducted based on sample data in Shanghai.Through data analysis tools,it provides assistance for the cost of overhead line engineering in the distribution network in Shanghai.Firstly,the cost deviation based on the engineering balance rate is analyzed.Secondly,the principal component analysis method is used to screen out key influencing factors from the numerous factors affecting the cost of overhead line engineering in the distribution network,which helps relevant units of power engineering to better control the cost and reduce deviations.