United States Department of Transportation
i
Magnetic and Electric Field Testing of the AMTRAK Northeast Corridor and New Jersey/North Jersey Coast Line Rail Systems. Volume I: Analysis
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1993-04-01
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[PDF-9.92 MB]
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Edition:Final report; May 1992-March 1993
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Abstract:The safety of magnetically levitated (maglev) and high speed rail (HSR) trains proposed for application in the United States is the responsibility of the Federal Railroad Administration (FRA). The characterization of electric and magnetic fields (EMF) produced by both steady (dc) and alternating currents (ac) at power frequency (50 Hz in Europe and 60 Hz in the U.S.) and above, in the Extreme Low Frequency (ELF) range (3-3000 Hz), is of interest with respect to any potential health effects these fields may have on the public and on transportation workers. An EMF survey of National Rail passengers Corporation trains operating on the Northeast Corridor (NEC) was performed, as part of a comprehensive comparative safety assessment of the German Transrapid (TR-07) maglev system, and of existing (NEC and transit trains) and advanced rail systems (the Frmh TGV). This report provides the analysis of results (Vol. I. Analysis), and detailed data summaries (Vol. 11. Appendices) of representative EMF profiles for NEC rail technologies, facilities, operating conditions, and Locations. A portable magnetic field monitoring system (augmented to include an electric fields probe) was used to sample, record and store three-axis static and ac magnetic fields waveforms simultaneously, at multiple locations. A real time Digital Audio Tape (DAT) recorder able to capture EMF transients, and two personal power-frequency magnetic field monitors were used to collect complementary data.
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