Electric Arc Furnace (EAF) modeling has been a common research area to date. This
thesis work proposes a new field-data based EAF-specific model. The data used in
developing the proposed model is obtained from field measurements of instantaneous
voltages and currents of EAF the plants. This model presents the dynamic behavior
of the EAF system including all its parts, which are the EAF transformer, the
secondary circuit, the electrodes moving and the arc itself. It consists of a cascade
connected variable-resistance and &ndash / inductance combination to represent the variation
in time of the fundamental frequency, and a current source in parallel with it to inject
the harmonics and interharmonics content of the EAF current. The proposed model is
capable of representing both AC and DC EAFs, whose controllers&rsquo / set points are the
impedance values seen from the low voltage (LV) side of the EAF transformer. The
validity of the proposed model has been verified by comparing EMTDC/PSCAD
simulations of the model with the field measurements. The results obtained have
shown quite satisfactory correlation between the behavior of the proposed model and
v
the actual EAF operation. To show the advantages of the model while developing
FACTS solutions for power quality (PQ) problem mitigation of a given busbar
supplying single- or multi-EAF installations, various applications are presented.
| Identifer | oai:union.ndltd.org:METU/oai:etd.lib.metu.edu.tr:http://etd.lib.metu.edu.tr/upload/12611083/index.pdf |
| Date | 01 September 2009 |
| Creators | Gol, Murat |
| Contributors | Ermis, Murat |
| Publisher | METU |
| Source Sets | Middle East Technical Univ. |
| Language | English |
| Detected Language | English |
| Type | M.S. Thesis |
| Format | text/pdf |
| Rights | To liberate the content for public access |
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