To provide a magnetic field measurement method of a railway vehicle that makes it easy to take an EMT measure with respect to a running instrument to be installed along a rail line of the railway vehicle.SOLUTION: A magnetic field measurement method of a railway vehicle for measuring a magnetic field which a vehicle body of the railway vehicle radiates, comprises: using a test piece 2 simulating a part of the vehicle body, a signal generator 3 for applying a current of a prescribed frequency to the test piece 2, and a measuring instrument (spectrum analyzer 6) measuring the magnetic field: applying the current to the test piece 2 from the signal generator 3; and measure the intensity of the magnetic field of the prescribed frequency of magnetic fields occurring in the test piece 2 by the measurement instrument (spectrum analyzer 6), The prescribed frequency is equal to or more than 1.7 MHz and equal to or less than 3 MHz.SELECTED DRAWING: Figure 1

    【課題】鉄道車両の沿線に配設置される走行用機器に対するEMI対策を取ることが容易になるよう、鉄道車両の磁界測定方法を提供すること。【解決手段】鉄道車両の車体が放射する磁界を測定するための鉄道車両の磁界測定方法において、車体の一部を模擬する試験片2と、試験片2に所定の周波数の電流を印加するための信号発生器3と、磁界強度を測定する計測器(スペクトラムアナライザ6)と、を用い、信号発生器3から試験片2に対して電流を印加し、計測器(スペクトラムアナライザ6)により、試験片2に発生する磁界のうち、所定の周波数の磁界強度を測定すること、所定の周波数は、1.7MHz以上、3MHz以下であること。【選択図】図1


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    Title :

    MAGNETIC FIELD MEASUREMENT METHOD OF VEHICLE BODY OF RAILWAY VEHICLE


    Additional title:

    鉄道車両の車体の磁界測定方法


    Contributors:

    Publication date :

    2023-09-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B61K Andere Hilfseinrichtungen für Eisenbahnen , OTHER AUXILIARY EQUIPMENT FOR RAILWAYS / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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