Measurement and Analysis of Impacting Factors for Operation and Maintenance Costs in UHV Substations

doi:10.3969/j.issn.1000－7229.2018.01.003

Abstract

Abstract: ABSTRACT： The operation and maintenance (O&M) of ultra high voltage (UHV) equipment is a key business issue in management and operation of a power system, identification, measurement and analysis of the factors impacting on O&M costs are essential for controlling the O&M costs effectively. Given this background, the indirect and direct impacting factors on the O&M costs of UHV equipment are first identified from both the compositions of the maintenance costs and the external environment, and parts of impacting factors are quantified by employing the dimension reduction method, decade depreciation method, fuzzy C-means clustering method. Then, these impacting factors are measured and analyzed through the correlation analysis, proportion analysis, principal component analysis, and path analysis. Finally, an actual O&M project of an UHV substation in Zhejiang province is served for demonstrating the presented method, and some important impacting factors on O&M costs are then identified.

Key words: ultra high voltage (UHV), operation and maintenance (O&M), impacting factors, quantitative analysis method, principal component analysis, path analysis

CLC Number:

TM 72

ZHOU Hongyu, XUE You, LIU Zuoyu, SHEN Jie, YU Min, WEN Fushuan. Measurement and Analysis of Impacting Factors for Operation and Maintenance Costs in UHV Substations[J]. Electric Power Construction, 2018, 39(1): 19-.

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