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Electrode length measurement in electric arc furnaces
Accurate measurement of electrode length in electric arc furnaces will result in decreased maintenance time, and improved plant productivity. This thesis describes the development of a microwave-based Soderberg electrode length-measurement system. Various methods of electrode-length measurement were...
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| Format: | Thesis |
| Language: | English |
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Department of Electrical Engineering
2016
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| _version_ | 1867613287017873409 |
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| access_status_str | Open Access |
| author | Ballard, Norman |
| author_browse | Ballard, Norman |
| author_facet | Ballard, Norman |
| author_sort | Ballard, Norman |
| collection | Thesis |
| description | Accurate measurement of electrode length in electric arc furnaces will result in decreased maintenance time, and improved plant productivity. This thesis describes the development of a microwave-based Soderberg electrode length-measurement system. Various methods of electrode-length measurement were investigated, and it was found that a microwave measurement system based on a conventional frequency modulated continuous wave (FMCW) radar presented the most feasible technique. In this system, microwaves are propagated down a waveguide placed in the electrode. As the waveguide melts, they continue propagating in the resulting cavity until they are reflected by the discontinuity at the bottom of the electrode. The time taken for the return journey to the bottom of the electrode and back is measured, and the electrode length calculated. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/18232 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:33:43.673Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2016 |
| publishDateRange | 2016 |
| publishDateSort | 2016 |
| publisher | Department of Electrical Engineering |
| publisherStr | Department of Electrical Engineering |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/18232 Electrode length measurement in electric arc furnaces Ballard, Norman Electrical Engineering Accurate measurement of electrode length in electric arc furnaces will result in decreased maintenance time, and improved plant productivity. This thesis describes the development of a microwave-based Soderberg electrode length-measurement system. Various methods of electrode-length measurement were investigated, and it was found that a microwave measurement system based on a conventional frequency modulated continuous wave (FMCW) radar presented the most feasible technique. In this system, microwaves are propagated down a waveguide placed in the electrode. As the waveguide melts, they continue propagating in the resulting cavity until they are reflected by the discontinuity at the bottom of the electrode. The time taken for the return journey to the bottom of the electrode and back is measured, and the electrode length calculated. 2016-03-28T14:23:06Z 2016-03-28T14:23:06Z 1995 Master Thesis Masters MSc (Eng) http://hdl.handle.net/11427/18232 eng application/pdf Department of Electrical Engineering Faculty of Engineering and the Built Environment University of Cape Town |
| spellingShingle | Electrical Engineering Ballard, Norman Electrode length measurement in electric arc furnaces |
| thesis_degree_str | Master's |
| title | Electrode length measurement in electric arc furnaces |
| title_full | Electrode length measurement in electric arc furnaces |
| title_fullStr | Electrode length measurement in electric arc furnaces |
| title_full_unstemmed | Electrode length measurement in electric arc furnaces |
| title_short | Electrode length measurement in electric arc furnaces |
| title_sort | electrode length measurement in electric arc furnaces |
| topic | Electrical Engineering |
| url | http://hdl.handle.net/11427/18232 |
| work_keys_str_mv | AT ballardnorman electrodelengthmeasurementinelectricarcfurnaces |