Electric Arc Furnaces Reactive Power Optimized Calculation Used in SVC

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. In this approach, step and time-varying responses are improved by a combination of differential and filter-b...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2022-06, Vol.69 (6), p.6361-6370
Main Authors: Shojaei, Farzaneh, Samet, Haidar, Ghanbari, Teymoor
Format: Article
Language:English
Subjects:
Algorithms
Bandpass filter
Bandstop filters
Compensators
Control systems
Digital filters
Electric arc furnace (EAF)
Electric arc furnaces
Electric filters
Harmonic analysis
Low pass filters
low-pass filter
Mathematical analysis
Microprocessors
optimization
Power harmonic filters
Prototype tests
Reactive power
reactive power calculation
Static VAr compensators
static VAr compensators (SVC)
Steel making
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Summary: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. 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 the proposed method, a new objective function is introduced, calculated for two sets of signals, captured from a real field in Mobarakeh Steel Company 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, the 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.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2021.3088373