Electromagnetic Interference Measurements at 900 MHz on 230-kV and 500-kV Transmission Lines

Chattier, V. L.; Sheridan, R.; DiPlacido, J. N.; Loftness, M. O.

doi:10.1109/mper.1986.5527722

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2002

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“…The corona caused by these large electric fields at the conductor surface induces impulsive currents on the transmission line. These induced currents, in turn, cause wide band electric and magnetic "noise" fields that fill the entire frequency spectrum from below 100 kHz to approximately 1000 MHz, although they are usually too small to be measured above 10 -20 MHz [12], [13]. Weather has a large influence on corona noise.…”

Section: A Corona Noisementioning

confidence: 99%

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Use of Global Positioning System (GPS) receivers under power-line conductors

Silva

Olsen

2002

IEEE Trans. Power Delivery

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The use of global positioning system (GPS) technology continues to grow and recent accuracy augmentations will generate ever more innovative applications. The issue of GPS use under or near electric power lines has been raised since some GPS documents have vague warnings about such use. First, GPS and the satellite microwave signals used to determine position, velocity, and time are described. Then, the potential effects of electromagnetic interference and/or signal scattering from overhead conductors are evaluated analytically and with some practical measurements under transmission lines. This work demonstrates that it is unlikely that power line conductors will interfere with use of the GPS satellite signals.

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Section: A Corona Noisementioning

confidence: 99%

“…For frequencies below 30 MHz, the noise in a receiver with 9-kHz bandwidth and RMS detector can be obtained by subtracting 8 dB from the noise in a CISPR receiver [13].…”

Section: ) Calculatementioning

confidence: 99%

Use of Global Positioning System (GPS) receivers under power-line conductors

Silva

Olsen

2002

IEEE Trans. Power Delivery

View full text Add to dashboard Cite

show abstract

Electromagnetic Interference Measurements at 900 MHz on 230-kV and 500-kV Transmission Lines

Cited by 1 publication

References 0 publications

Use of Global Positioning System (GPS) receivers under power-line conductors

Use of Global Positioning System (GPS) receivers under power-line conductors

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