ABNORMALITY DETECTION APPARATUS, ABNORMALITY DETECTION METHOD, AND VEHICLE FOR ELECTRIC RAILWAY

To provide an abnormality detection apparatus and an abnormality detection method for early detecting an insulation abnormality of high voltage equipment mounted on a vehicle for an electric railway, for example, to provide an abnormality detection apparatus for detecting an insulation abnormality o...

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Bibliographic Details
Main Authors KATO TETSUJI, MORITA YUTAKA
Format Patent
LanguageEnglish
Japanese
Published 02.07.2020
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Summary:To provide an abnormality detection apparatus and an abnormality detection method for early detecting an insulation abnormality of high voltage equipment mounted on a vehicle for an electric railway, for example, to provide an abnormality detection apparatus for detecting an insulation abnormality of high voltage equipment mounted on a vehicle for an electric railway during operation of the vehicle for the electric railway.SOLUTION: An abnormality detection apparatus includes: a voltage conversion device for AD converting voltage flowing in high voltage equipment mounted on a vehicle for an electric railway; a waveform analysis device for analyzing an AD converted waveform signal; a position detection device for generating a position signal of a position of the vehicle for the electric railway; a storage device for storing a generation position of surge voltage generated in the vehicle of the electric railway; and an analysis device for specifying a position in which a pulse is generated on the basis of the waveform signal and the position signal, and analyzing whether the pulse is generated due to an insulation abnormality of the high voltage equipment on the basis of the specified position and the generation position of the surge voltage.SELECTED DRAWING: Figure 1 【課題】本発明は、電気鉄道用車両に搭載する高電圧機器の絶縁異常を早期に検出する異常検出装置および異常検出方法を提供する。例えば、電気鉄道用車両の運行中に、電気鉄道用車両に搭載する高電圧機器の絶縁異常を検出する異常検出装置を提供する。【解決手段】本発明の異常検出装置は、電気鉄道用車両に搭載する高電圧機器に流れる電圧をAD変換する電圧変換装置と、AD変換した波形信号を分析する波形分析装置と、電気鉄道用車両の位置の位置信号を作成する位置検出装置と、電気鉄道用車両に発生するサージ電圧の発生位置を記憶する記憶装置と、波形信号と位置信号とに基づいて、パルスが発生する位置を特定し、特定された位置とサージ電圧の発生位置とに基づいて、パルスが高電圧機器の絶縁異常により発生したものか否かを解析する解析装置と、を有する。【選択図】 図1
Bibliography:Application Number: JP20180239249