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The application study of S-transform modulus time-frequency matrix in detecting power quality transient disturbance

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成果类型:
期刊论文
作者:
Li, Jiasheng;Hu, Saichun;Xiao, Weichu;Qiu, Biao
通讯作者:
Li, J.
作者机构:
[Hu, Saichun; Qiu, Biao; Li, Jiasheng; Xiao, Weichu] College of Communication and Electronic Ensaneering, Hunan City University, Yiyang, Hunan, 413000, China
通讯机构:
College of Communication and Electronic Ensaneering, Hunan City University, China
语种:
英文
关键词:
Disturbance;Power quality;S-transform
期刊:
Information Technology Journal
ISSN:
1812-5638
年:
2012
卷:
11
期:
3
页码:
354-358
机构署名:
本校为第一且通讯机构
院系归属:
信息与电子工程学院
摘要:
This study proposes a new algorithm, which makes use of S-transform modulus time-frequency matrix to detect the power quality transient disturbance. And respective mathematical models are established according to transient disturbances such as voltage sags, voltage rises, voltage interruption and transient oscillation. It calculates the modulus time-frequency matrix of the four disturbance signals by using S-transform and extracts their features. Simulation and analysis are made in Matlab. The simulation results show that the proposed algorithm can extract the features of different disturbance...

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