Open AccessFinite‐difference time‐domain simulation of partial discharges in a gas insulated switchgear
Author(s) -
Tanaka Hiroki,
Tanahashi Daiki,
Baba Yoshihiro,
Nagaoka Naoto,
Okada Naoki,
Ohki Hideto,
Takeuchi Masayasu
Publication year - 2016
Publication title -
high voltage
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.732
H-Index - 20
ISSN - 2397-7264
DOI - 10.1049/hve.2016.0006
Subject(s) - switchgear , finite difference time domain method , partial discharge , voltage , time domain , current (fluid) , materials science , electrical engineering , mechanics , physics , engineering , optics , computer science , computer vision
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.