Q-ONE POWER FEEDER IN OPERATION AT SHINKASAI STEEL, JAPAN
me-metals: Danieli Automation EAF digital tool receives FAC in only 28 days
According to me-metals cited from mining.com, A second Danieli Q-One power feeder is in operation in Japan.
Thanks to the installation of the Q-One power feeder Shinkasai Steel is now operating a digital EAF in Osaka.
The start of operation was immediate and with the achievement of all the performance tests the Japanese steelmaker released the Final Acceptance Certificate -FAC in just 28 days from the startup.
Q-One allows a highly efficient EAF melting thanks to variable frequency operation down to 20 Hz in full power. This implies a strong, visible stirring within the liquid steel bath, leading to a power-on reduction and consequent energy savings of around 8%.
Another astonishing characteristic of the Q-One is the almost negligible impact on the power grid –without the need of any compensation system– making electric steelmaking viable in weak electric network conditions, like in the Osaka Sakai industrial area.
Specifically, the Pst flicker value is about 0.5 and the harmonics level is about 30% of maximum allowed.
Following the first Q-One power feeder installation in Japan at Tokyo Steel, in Kyushu, in 2021, and now the one at Shinkasai Steel, two more Q-One systems are scheduled to be started in Japan soon at Chiyoda Steel in Tokyo and JFE B&S in Himeji.
source: danieli.com
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