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      Finite-difference time-domain simulation of partial discharges in a gas insulated switchgear

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          Abstract

          It is important to estimate the current magnitude and charge amount of a partial discharge (PD) in a gas-insulated switchgear (GIS). In this study, electromagnetic fields generated by a PD in an 84 kV-class three-phase GIS for testing have been measured with a voltage probe installed on the outer surface of an insulation spacer of the GIS tank, and the corresponding simulations have been carried out using the three-dimensional finite-difference time-domain (FDTD) method. FDTD-computed time-domain voltages across spacers agree reasonably well with the corresponding measured ones, and the current magnitude of PD and its charge amount have been estimated.

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          Most cited references 7

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          Numerical solution of initial boundary value problems involving maxwell's equations in isotropic media

           Kane Yee (1966)
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            A novel technique for partial discharge and breakdown investigation based on current pulse waveform analysis

             H Okubo,  N Hayakawa (2005)
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              Influence of disconnecting part on propagation properties of PD-induced electromagnetic wave in model gis

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                Author and article information

                Contributors
                Journal
                HVE
                High Voltage
                High Volt.
                The Institution of Engineering and Technology
                2397-7264
                April 2016
                : 1
                : 1
                : 52-56
                Affiliations
                [1 ] Department of Electrical Engineering, Doshisha University , Kyotanabe, Kyoto 610-0321, Japan
                [2 ] Nissin Electric Co., Ltd , Ukyoku, Kyoto 615-8686, Japan
                Article
                HVE.2016.0006 HVE.2016.0006
                10.1049/hve.2016.0006

                This is an open access article published by the IET and CEPRI under the Creative Commons Attribution-NonCommercial-NoDerivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/)

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