Abstract
The number of 170 kV type gas insulated switchgear are 7,700 units, taking 28 % of total GISs operating in Korea. We identify and classify functional failures of sub-systems using failure mode and effect analysis and performed risk analysis based on the collected historical data for failures and surveys of experts. From the results, we selected the main sub-system and made a list of the priority of components by analyzing the components of the selected sub-system. Based on analysis of historical data for failures of the selected components, this paper proposes the checkpoints of each component and how to inspect components.
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References
Al-Suhaily M, Meijer S, Smit JJ, Sibbald P, Kanters J (2010) Risk estimation for H.V. components in gas-insulated substations. In: Proceedings of the 2010 international conference on condition monitoring and diagnosis, 6–11 Sept 2010, Tokyo, Japan
CIGREE Working Group13.09 (2000) User guide for the application of monitoring and diagnostic techniques for switching equipment for rated voltages of 72.5 kV and above. CIGREE Brochure 167, Aug 2000
Jun SD (2014) Substation equipment failure analysis and countermeasures in 2013, Research Group for Power Switchgear, CIGRE KOREA Committee, Korea
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© 2015 Springer International Publishing Switzerland
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Kim, Y.M., Jung, J.R., Kim, C.H., Jin, M.J. (2015). Maintenance Method Based on Risk Estimation for 170 kV Pneumatic Type Gas Insulated Switchgear. In: Amadi-Echendu, J., Hoohlo, C., Mathew, J. (eds) 9th WCEAM Research Papers. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-15536-4_13
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DOI: https://doi.org/10.1007/978-3-319-15536-4_13
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