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No file available [This article belongs to Volume - 49, Issue - 5]
Gongcheng Kexue Yu Jishu/Advanced Engineering Science
Journal ID : AES-16
Title : Analysis of the Hydropower Unit Vibration Signal in the Start Transient Process Based on VMD-HHT Method
YANG Hua, , CHEN Yunliang, , XU Yong, , ZHAO Qiong,

Abstract : With the increase of hydropower units and installed capacity in China,the fault problem during the transient process occurs frequently.The signal analysis method is widely used to deal with the problem.The variational mode decomposition (VMD) method,a relatively new self-adaptive method for processing non-linear and non-stationary signals,was adopted to investigate the vibration signals during the transient process of a hydropower unit in the Gezhouba power plant.The first step was to use VMD to

Keywords : VMD, Hydropower Unit Vibration Signal, Start Transient Process Based, Method With, analysis