Electric Arc Furnaces Reactive Power Optimized Calculation Used in SVC

Farzaneh Shojaei, Haidar Samet (Corresponding author), Teymoor Ghanbari

Research output: Contribution to journalArticleAcademicpeer-review


This study deals with a new approach to tackle the challenges encountered in the filters-based reactive power calculation techniques utilized in the control system of Static VAr compensators (SVCs). In this approach, step and time-varying responses are improved by a combination of differential and filter-based methods. Then, optimum values of the main parameters of the low-pass and band-stop filters are determined considering three criteria: accuracy, speed, and capability for following the time-varying loads. To assess the performance of proposed method, a new objective function is introduced, calculated for two sets of signals, captured from a real filed in Mobarakeh Steel Company (MSC) in Isfahan/Iran. Then, the proposed and the other reactive power calculation methods are assessed in practice and simulation. Also, the algorithm is implemented using a TMDSCNCD28335 as the processor to assess the real-time feasibility of the method. To do so, reactive power variation of an electrical arc furnace is emulated in a prototype test bench and the algorithm is run in real-time by the processor during the system operation.
Original languageEnglish
Article number9457072
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Issue numberX
Publication statusE-pub ahead of print - 16 Jun 2021


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