Evaluation of grounding system impedance of a near sea water HV electric power installation
Electric power transmission lines and substations located alongside salt water are frequent cases in the world. In situations where soil resistivity is high, a conductor connecting the grounding system of an electric power line to salt water can reduce substantially the grounding impedance. This dea...
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| creator | Georges, S.W. Slaoui, F.H. Lagace, P.J. Do, X.D. Fortin, J. |
| description | Electric power transmission lines and substations located alongside salt water are frequent cases in the world. In situations where soil resistivity is high, a conductor connecting the grounding system of an electric power line to salt water can reduce substantially the grounding impedance. This deals with an already in service 69 kV transmission line belonging to Hydro-Quebec, built without shield wire neither counterpoise in a high soil resistivity and skirting the Atlantic ocean close to Labrador region in Quebec (Canada). Experimental measurements performed by Hydro-Quebec show that grounding resistance of some towers is high that in case of a short circuit on the line, a voltage rise exceeding the security limits can be developed. A continuous counterpoise connected to salt water can stabilize the potential profile. Method of images is applied to calculate the resistance to earth of different conductor arrangements. Results are validated by experimental measurements. |
| doi_str_mv | 10.1109/PES.2003.1267393 |
| format | Conference Proceeding |
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In situations where soil resistivity is high, a conductor connecting the grounding system of an electric power line to salt water can reduce substantially the grounding impedance. This deals with an already in service 69 kV transmission line belonging to Hydro-Quebec, built without shield wire neither counterpoise in a high soil resistivity and skirting the Atlantic ocean close to Labrador region in Quebec (Canada). Experimental measurements performed by Hydro-Quebec show that grounding resistance of some towers is high that in case of a short circuit on the line, a voltage rise exceeding the security limits can be developed. A continuous counterpoise connected to salt water can stabilize the potential profile. Method of images is applied to calculate the resistance to earth of different conductor arrangements. Results are validated by experimental measurements.</description><identifier>ISBN: 0780379896</identifier><identifier>ISBN: 9780780379893</identifier><identifier>DOI: 10.1109/PES.2003.1267393</identifier><language>eng</language><publisher>IEEE</publisher><subject>Conductivity ; Conductors ; Electrical resistance measurement ; Grounding ; Impedance ; Joining processes ; Power transmission lines ; Sea measurements ; Soil ; Substations</subject><ispartof>2003 IEEE Power Engineering Society General Meeting (IEEE Cat. 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No.03CH37491)</title><addtitle>PES</addtitle><description>Electric power transmission lines and substations located alongside salt water are frequent cases in the world. In situations where soil resistivity is high, a conductor connecting the grounding system of an electric power line to salt water can reduce substantially the grounding impedance. This deals with an already in service 69 kV transmission line belonging to Hydro-Quebec, built without shield wire neither counterpoise in a high soil resistivity and skirting the Atlantic ocean close to Labrador region in Quebec (Canada). Experimental measurements performed by Hydro-Quebec show that grounding resistance of some towers is high that in case of a short circuit on the line, a voltage rise exceeding the security limits can be developed. A continuous counterpoise connected to salt water can stabilize the potential profile. Method of images is applied to calculate the resistance to earth of different conductor arrangements. Results are validated by experimental measurements.</description><subject>Conductivity</subject><subject>Conductors</subject><subject>Electrical resistance measurement</subject><subject>Grounding</subject><subject>Impedance</subject><subject>Joining processes</subject><subject>Power transmission lines</subject><subject>Sea measurements</subject><subject>Soil</subject><subject>Substations</subject><isbn>0780379896</isbn><isbn>9780780379893</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2003</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotj01LxDAYhAMiqOveBS_5A635apIeZamusKDgx8XDkiZvl0ibliTrsv_eqjtzGJiBBwahG0pKSkl999K8lowQXlImFa_5GboiShOual3LC7RM6YvMEpWQFbtEn8236fcm-zHgscO7OO6D82GH0zFlGLAfJnAmWPhdDQ5gIk5g8MFkiHj9gaEHm6O3eBoPc-NDyqbv_4DX6LwzfYLlKRfo_aF5W62LzfPj0-p-U3iqeC5a5gi3tWs7Z5iphFOcSidgtq0UdFxqQRSoSgrW8opowTTVjnFFWiYt5Qt0-8_1ALCdoh9MPG5P__kPJ9xQ3g</recordid><startdate>2003</startdate><enddate>2003</enddate><creator>Georges, S.W.</creator><creator>Slaoui, F.H.</creator><creator>Lagace, P.J.</creator><creator>Do, X.D.</creator><creator>Fortin, J.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>2003</creationdate><title>Evaluation of grounding system impedance of a near sea water HV electric power installation</title><author>Georges, S.W. ; Slaoui, F.H. ; Lagace, P.J. ; Do, X.D. ; Fortin, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i173t-b2d03c9dbfda2a54d7316d4e4e4c57ef368407e75642b350842818d2370b26c13</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Conductivity</topic><topic>Conductors</topic><topic>Electrical resistance measurement</topic><topic>Grounding</topic><topic>Impedance</topic><topic>Joining processes</topic><topic>Power transmission lines</topic><topic>Sea measurements</topic><topic>Soil</topic><topic>Substations</topic><toplevel>online_resources</toplevel><creatorcontrib>Georges, S.W.</creatorcontrib><creatorcontrib>Slaoui, F.H.</creatorcontrib><creatorcontrib>Lagace, P.J.</creatorcontrib><creatorcontrib>Do, X.D.</creatorcontrib><creatorcontrib>Fortin, J.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Georges, S.W.</au><au>Slaoui, F.H.</au><au>Lagace, P.J.</au><au>Do, X.D.</au><au>Fortin, J.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Evaluation of grounding system impedance of a near sea water HV electric power installation</atitle><btitle>2003 IEEE Power Engineering Society General Meeting (IEEE Cat. No.03CH37491)</btitle><stitle>PES</stitle><date>2003</date><risdate>2003</risdate><volume>3</volume><spage>1591</spage><epage>1597 Vol. 3</epage><pages>1591-1597 Vol. 3</pages><isbn>0780379896</isbn><isbn>9780780379893</isbn><abstract>Electric power transmission lines and substations located alongside salt water are frequent cases in the world. In situations where soil resistivity is high, a conductor connecting the grounding system of an electric power line to salt water can reduce substantially the grounding impedance. This deals with an already in service 69 kV transmission line belonging to Hydro-Quebec, built without shield wire neither counterpoise in a high soil resistivity and skirting the Atlantic ocean close to Labrador region in Quebec (Canada). Experimental measurements performed by Hydro-Quebec show that grounding resistance of some towers is high that in case of a short circuit on the line, a voltage rise exceeding the security limits can be developed. 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| identifier | ISBN: 0780379896 |
| ispartof | 2003 IEEE Power Engineering Society General Meeting (IEEE Cat. No.03CH37491), 2003, Vol.3, p.1591-1597 Vol. 3 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Conductivity Conductors Electrical resistance measurement Grounding Impedance Joining processes Power transmission lines Sea measurements Soil Substations |
| title | Evaluation of grounding system impedance of a near sea water HV electric power installation |
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