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International Conference on Software Technology and Engineering (ICSTE 2012)

Jianhong Zhou
Jianhong Zhou
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This project presents the first stage in an investigation and modelling of harmonics produced by a New Zealand steel recycling and manufacturing company’s electric arc furnace (EAF) on a long transmission line. Results are presented for both steady-state and inrush conditions, showing the EAF is a complex and time-variable load. A MATLAB model of the EAF, transformers, and transmission was built, and its performance on steady-state is compared to operational furnace. Steady-state currents were observed of 1.04kA with a significant (12.1 %) second harmonic, and an inrush current was observed of to be around 43kA. A single phase and three...

1. Introduction
2. Background
3. Empirical Findings
4. The Models
5. Modelling Results
6. Conclusions
7. Further Work
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