Research on Location Method of PD Signal for Metal-Clad Switchgear

Bin Wei; Guo Fu Yu; Fei Liu; Hao Jie Sun; Hong Jie Li

doi:10.4028/www.scientific.net/AMM.864.231

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 864Research on Location Method of PD Signal for...

Research on Location Method of PD Signal for Metal-Clad Switchgear

Abstract:

It is well known that the occurrence of partial discharge phenomena within switchgears can lead to their destruction. Early detection can avoid failures of electrical equipment. The work of this paper mainly provides theoretic foundation for precise partial discharge (PD) location in switchgears. Hyperboloid method and spatial grid search method are proposed to locate PD source with transient earth voltage (TEV) test. Finite-difference time-domain (FDTD) is used to simulate the propagation process of TEV signal and validate the proposed method. Laboratory test on operating switchgear was conducted and the test results were in consistent with the simulation.

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Periodical:

Applied Mechanics and Materials (Volume 864)

Pages:

231-236

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.864.231

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Online since:

April 2017

Authors:

Bin Wei, Guo Fu Yu, Fei Liu, Hao Jie Sun*, Hong Jie Li

Keywords:

FDTD, Precise Location Method, Switchgear, TEV

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* - Corresponding Author

References

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