November 1, 2016
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Grid code compliance by mitigating flicker and voltage drop with STATCOM in an electric arc furnace

The operation of an electric arc furnace in a Russian steel plant was creating power quality issues such as flicker and voltage variations. The operation of the 6-ton DC arc furnace was not only disturbing the grid but also other customers in the neighborhood.

Finally, the steel plant had to stand still in daytime, which of course reduced productivity and increased operational costs. A tailored Merus STATCOM solution delivered real-time reactive power compensation, ensuring efficient flicker mitigation. Stable voltage reduced melting time and increased productivity. Grid compliance allowed the customer to operate the plant even in daytime.

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