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Remote controlled partial discharge acquisition unit

Foo, M.H. and Soraghan, J.J. and Siew, W.H. and Pearson, J.S. (2003) Remote controlled partial discharge acquisition unit. In: 17th International Conference on Electricity Distribution (CIRED 2003), 2003-05-12 - 2003-05-15.

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Online partial discharge (PD) analysis for underground high voltage cables has major advantages over the offline techniques. Online techniques usually involve PD data acquisition, storage and post-processing of the data. However, the data acquisition process can be time consuming and troublesome because of design procedures and protocols required before commencement of data acquisition. This paper presents a robust remote controlled partial discharge acquisition unit for underground high voltage cable networks. This system is uniquely designed to incorporate the difficulties of accessibility, especially for remotely located substations. Real field data from a 33kV network is included in the paper.