Geomagnetically induced currents and its presence in the Eskom transmission network

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dc.contributor.advisorGaunt, C Trevoren_ZA
dc.contributor.authorKoen, Jackoen_ZA
dc.date.accessioned2014-07-31T10:55:21Z
dc.date.available2014-07-31T10:55:21Z
dc.date.issued2000en_ZA
dc.descriptionIncludes bibliographical references.
dc.description.abstractThis thesis serves to describe the findings of the investigation into the possible existence and occurrence of Geomagnetically Induced Currents (GICs) in the Eskom MTS. The project commenced in January 1999 and is a joint collaboration between Eskom, the University of Cape Town and EPRI. Eskom has been aware since about 1990, that occasional severe geomagnetic storms in the Southern Cape might disrupt the MTS in that area. At that time no correlation was observed between disruptions at selected sites of the Eskom MTS and geomagnetic activity. (The sites selected were based on the knowledge at that time.) However, there is now evidence that the sites most susceptible are not at the conventionally accepted locations, and that damage and disruption may have occurred where it was not expected. For this project a thorough literature search was done to understand the source and effects of GICs. An investigation was conducted into the past events on the Eskom MTS, which was compared with geomagnetic activity to check for correlation. Finally, the modelling process of a network that would indicate its susceptibility to GICs was studied.Typical disruptions that would indicate the existence of GICs include Buchholz trips, interwinding faults, permanent failure due to internal faults, etc. From this investigation there is circumstantial evidence that equipment damage may have occurred due to geomagnetic activity during the previous solar cycle peak.en_ZA
dc.identifier.apacitationKoen, J. (2000). <i>Geomagnetically induced currents and its presence in the Eskom transmission network</i>. (Thesis). University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Electrical Engineering. Retrieved from http://hdl.handle.net/11427/5192en_ZA
dc.identifier.chicagocitationKoen, Jacko. <i>"Geomagnetically induced currents and its presence in the Eskom transmission network."</i> Thesis., University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Electrical Engineering, 2000. http://hdl.handle.net/11427/5192en_ZA
dc.identifier.citationKoen, J. 2000. Geomagnetically induced currents and its presence in the Eskom transmission network. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Koen, Jacko AB - This thesis serves to describe the findings of the investigation into the possible existence and occurrence of Geomagnetically Induced Currents (GICs) in the Eskom MTS. The project commenced in January 1999 and is a joint collaboration between Eskom, the University of Cape Town and EPRI. Eskom has been aware since about 1990, that occasional severe geomagnetic storms in the Southern Cape might disrupt the MTS in that area. At that time no correlation was observed between disruptions at selected sites of the Eskom MTS and geomagnetic activity. (The sites selected were based on the knowledge at that time.) However, there is now evidence that the sites most susceptible are not at the conventionally accepted locations, and that damage and disruption may have occurred where it was not expected. For this project a thorough literature search was done to understand the source and effects of GICs. An investigation was conducted into the past events on the Eskom MTS, which was compared with geomagnetic activity to check for correlation. Finally, the modelling process of a network that would indicate its susceptibility to GICs was studied.Typical disruptions that would indicate the existence of GICs include Buchholz trips, interwinding faults, permanent failure due to internal faults, etc. From this investigation there is circumstantial evidence that equipment damage may have occurred due to geomagnetic activity during the previous solar cycle peak. DA - 2000 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2000 T1 - Geomagnetically induced currents and its presence in the Eskom transmission network TI - Geomagnetically induced currents and its presence in the Eskom transmission network UR - http://hdl.handle.net/11427/5192 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/5192
dc.identifier.vancouvercitationKoen J. Geomagnetically induced currents and its presence in the Eskom transmission network. [Thesis]. University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Electrical Engineering, 2000 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/5192en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Electrical Engineeringen_ZA
dc.publisher.facultyFaculty of Engineering and the Built Environment
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherElectrical Engineeringen_ZA
dc.titleGeomagnetically induced currents and its presence in the Eskom transmission networken_ZA
dc.typeMaster Thesis
dc.type.qualificationlevelMasters
dc.type.qualificationnameMScen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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