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Fault Analysis and Resolution Measures for Overvoltage Chopping IGBT of Chongqing Rail Transit Line 2 Trains

open access: yesChengshi guidao jiaotong yanjiu
[Objective] Multiple incidents of overvoltage chopping IGBT (insulated gate bipolar transistor) faults are observed during train main line operation of Chongqing Rail Transit Line 2, significantly impacting the line normal operation.
Cuijun GU   +3 more
doaj   +1 more source

Development of diagnostic and prognostic algorithms for SF6 puffer circuit breakers from transient waveforms: a validation proposal [PDF]

open access: yes, 2009
- This paper presents a validation proposal for development of diagnostic and prognostic algorithms for SF6 puffer circuit-breakers reproduced from actual site waveforms.
Kam, Shui-cheong, Ledwich, Gerard
core   +1 more source

Methods of overvoltage limitation in modern dc semiconductor switching apparatus and their calculation

open access: gold, 2016
Anatoly Soskov   +3 more
openalex   +2 more sources

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