NASA NTRS · 19770015664
Photovoltaic system test facility electromagnetic interference measurements
Abstract
Field strength measurements on a single row of panels indicates that the operational mode of the array as configured presents no radiated EMI problems. Only one relatively significant frequency band near 200 kHz showed any degree of intensity (9 muV/m including a background level of 5 muV/m). The level was measured very near the array (at 20 ft distance) while Federal Communications Commission (FCC) regulations limit spurious emissions to 15 muV/m at 1,000 ft. No field strength readings could be obtained even at 35 ft distant.
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Johnson, J. A., Herke, F. P., Jr., Knapp, W. D.. 1977-04-01. Photovoltaic system test facility electromagnetic interference measurements. https://ntrs.nasa.gov/citations/19770015664
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