Identification of current transformers saturation intervals using morphological gradient and morphological decomposition
Q. He; M. S. Li; T. Y. Ji; Q. H. Wu; P. Z. Wu
2013
会议名称2013 IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2013
会议地点Kowloon, Hong kong
英文摘要This paper proposes a novel method to detect the saturation intervals of currenttransformer (CT) secondary current. The method features the waveform properties of the distorted secondary current, which has abrupt changes where saturation begins and ends. Two algorithms, the improved morphological gradient and the morphologicaldecomposition, are designed to extract the saturation intervals, respectively, and the detection results are combined using the AND logic to give the final detection result. The proposed saturation detection scheme is implemented and tested on a sample power system model built in PSCAD/EMTDC. The simulation results show that the proposed method can accurately detect the onsets and ends of saturations under a variety of operation conditions.
收录类别EI
语种英语
内容类型会议论文
源URL[http://ir.siat.ac.cn:8080/handle/172644/5269]  
专题深圳先进技术研究院_其他
作者单位2013
推荐引用方式
GB/T 7714
Q. He,M. S. Li,T. Y. Ji,et al. Identification of current transformers saturation intervals using morphological gradient and morphological decomposition[C]. 见:2013 IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2013. Kowloon, Hong kong.
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