Analysis of Protective Hoods Near High-Voltage Power Lines With Installed Communication Antennas
This paper studies the effect of the conducting hoods used to protect workers from the exposure to high-voltage power frequency and high-frequency communication electromagnetic fields. The finite-difference time-domain technique is employed to solve for the electric-field strength inside a human hea...
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| Veröffentlicht in: | IEEE transactions on power delivery 2009-01, Vol.24 (1), p.111-117 |
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| container_title | IEEE transactions on power delivery |
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| creator | Zunoubi, M.R. Kalhor, H.A. |
| description | This paper studies the effect of the conducting hoods used to protect workers from the exposure to high-voltage power frequency and high-frequency communication electromagnetic fields. The finite-difference time-domain technique is employed to solve for the electric-field strength inside a human head model filled with biological material representing the human brain. By evaluating the field at several points and comparing the results with and without the hood, it is shown that at some spots in the head, the field is higher by a significant factor when the hood is present. It is also shown that with the presence of a see-through screen, the field intensity inside the head can be drastically reduced by eliminating the resonance effects. Following our analysis, a general safety guideline can be prescribed and used by the workers when exposed to a broad frequency range spanning from extremely low frequencies to the radio frequencies. The method also enables investigations on how to design a hood that is most suitable for a given frequency spectrum. |
| doi_str_mv | 10.1109/TPWRD.2008.2005678 |
| format | Article |
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The finite-difference time-domain technique is employed to solve for the electric-field strength inside a human head model filled with biological material representing the human brain. By evaluating the field at several points and comparing the results with and without the hood, it is shown that at some spots in the head, the field is higher by a significant factor when the hood is present. It is also shown that with the presence of a see-through screen, the field intensity inside the head can be drastically reduced by eliminating the resonance effects. Following our analysis, a general safety guideline can be prescribed and used by the workers when exposed to a broad frequency range spanning from extremely low frequencies to the radio frequencies. 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The finite-difference time-domain technique is employed to solve for the electric-field strength inside a human head model filled with biological material representing the human brain. By evaluating the field at several points and comparing the results with and without the hood, it is shown that at some spots in the head, the field is higher by a significant factor when the hood is present. It is also shown that with the presence of a see-through screen, the field intensity inside the head can be drastically reduced by eliminating the resonance effects. Following our analysis, a general safety guideline can be prescribed and used by the workers when exposed to a broad frequency range spanning from extremely low frequencies to the radio frequencies. 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Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Electromagnetic fields</topic><topic>Exact sciences and technology</topic><topic>Finite difference method</topic><topic>Finite difference methods</topic><topic>Finite-difference time domain (FDTD)</topic><topic>Frequency</topic><topic>Frequency ranges</topic><topic>Guidelines</topic><topic>Hoods</topic><topic>Human</topic><topic>human brain</topic><topic>Humans</topic><topic>Mathematical models</topic><topic>Miscellaneous</topic><topic>power lines</topic><topic>Power networks and lines</topic><topic>Protection</topic><topic>protective hood</topic><topic>Resonance</topic><topic>Studies</topic><topic>Time domain analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zunoubi, M.R.</creatorcontrib><creatorcontrib>Kalhor, H.A.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>IEEE transactions on power delivery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zunoubi, M.R.</au><au>Kalhor, H.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of Protective Hoods Near High-Voltage Power Lines With Installed Communication Antennas</atitle><jtitle>IEEE transactions on power delivery</jtitle><stitle>TPWRD</stitle><date>2009-01</date><risdate>2009</risdate><volume>24</volume><issue>1</issue><spage>111</spage><epage>117</epage><pages>111-117</pages><issn>0885-8977</issn><eissn>1937-4208</eissn><coden>ITPDE5</coden><abstract>This paper studies the effect of the conducting hoods used to protect workers from the exposure to high-voltage power frequency and high-frequency communication electromagnetic fields. The finite-difference time-domain technique is employed to solve for the electric-field strength inside a human head model filled with biological material representing the human brain. By evaluating the field at several points and comparing the results with and without the hood, it is shown that at some spots in the head, the field is higher by a significant factor when the hood is present. It is also shown that with the presence of a see-through screen, the field intensity inside the head can be drastically reduced by eliminating the resonance effects. Following our analysis, a general safety guideline can be prescribed and used by the workers when exposed to a broad frequency range spanning from extremely low frequencies to the radio frequencies. The method also enables investigations on how to design a hood that is most suitable for a given frequency spectrum.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TPWRD.2008.2005678</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0885-8977 |
| ispartof | IEEE transactions on power delivery, 2009-01, Vol.24 (1), p.111-117 |
| issn | 0885-8977 1937-4208 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Biological materials Biological system modeling Brain modeling Electric power generation Electrical engineering. Electrical power engineering Electrical power engineering Electromagnetic fields Exact sciences and technology Finite difference method Finite difference methods Finite-difference time domain (FDTD) Frequency Frequency ranges Guidelines Hoods Human human brain Humans Mathematical models Miscellaneous power lines Power networks and lines Protection protective hood Resonance Studies Time domain analysis |
| title | Analysis of Protective Hoods Near High-Voltage Power Lines With Installed Communication Antennas |
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