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Electromagnetic noise spectrum caused by partial discharge in air at high voltage substations
Hikita, M.
12945
Yamashita, H.
12946
Hoshino, T.
12947
Kato, T.
12948
Hayakawa, N.
12949
Ueda, T.
12950
Okubo, H.
12951
We investigated characteristics of electromagnetic spectrum caused by partial discharge (PD) in air at three different types of high voltage substations. From the measured results, we characterized the electromagnetic noise spectrum depending on the type of substation. We also measured long term change of the average gain of noise spectrum and discussed the influence of atmosaheric conditions on the results. Moreover, we introduced "the equivalent charge ye" which was derived by converting the electric field strength estimated from the average gain into the charge magnitude of PD. We also proposed "phase gate control method" for better understanding of the electromagnetic noise spectrum characteristics and the mechanism causing electromagnetic wave by PD.
journal article
IEEE
1998-04
application/pdf
IEEE Transactions on Power Delivery
2
13
434
439
http://hdl.handle.net/2237/6751
0885-8977
https://nagoya.repo.nii.ac.jp/record/5167/files/00660911.pdf
eng
https://doi.org/10.1109/61.660911
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