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ÎÄÕ±àºÅ£º1006-0316 (2023) 05-0008-06

Maintenance Resource Planning of Pumped Storage Units Based on Peak Shaving and Valley Filling Model

WANG Yingzi1£¬SHEN Huiming1£¬ZENG Quan1£¬XIA Xiangchen2£¬SUN Wenhao3£¬XIAO Zhihuai3

( 1.State Grid Hubei Electric Power Co., Ltd., Wuhan 430072, China; 2.China National Water Resources & Electric Power Materials& Equipment Group Co., Ltd., Beijing 100040, China; 3.School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China )

Abstract£ºTo ensure the efficient maintenance work of the pumped storage units, avoid resource conflicts during the maintenance process, and improve maintenance efficiency, this paper proposes a maintenance resource planning method based on the optimization model for peak shaving and valley filling resources. We first statistically analyze the resource distribution of pumping and storage units at different maintenance levels and find the resource distribution patterns of different maintenance processes and projects. Then we draw a network distribution map of the whole process of unit maintenance planning and calculate the time parameters of each item in different periods according to the structural characteristics of the unit. We solve the node with the largest resource demand during the whole process, adjust the construction period of non-critical processes, prioritize the allocation of resources for key projects, and achieve resource balance within the maintenance period. This method further optimize the allocation of unit maintenance resources. It is applied to the A-level maintenance project of two sub-units of a pumped-storage power station. The feasibility and application value of the method has been verified on-site.

Key words£ºpumped storage unit£»peak shaving and valley filling model£»unit maintenance£»maintenance planning£»resource planning

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