Efficient Plant April 2019 - 35

feature | solution focus
fast and precise operational response, and
deliver consistent speed and timing checks
with every operation.

personnel can attend to other critical site
activities." Specifically, since installation of
the new breakers, NUCOR has experienced
a 50% reduction in total cost of ownership
and reduced maintenance costs by as much
as 50% on the furnaces. Moreover, circuitbreaker performance has been taken to a
level that is 5 to 10 times higher than that of
other solutions.
"ABB succeeded in guaranteeing
continuous and reliable operation of our
critical processes," Brewer stated. "With
such exceptional results, we are pursuing
the VD4-AF with PowerBloc enclosure
for all EAF and LMF applications in other
facilities to further our drive toward steel
Industry 4.0." EP

RESULTS
NUCOR selected a facility for beta testing
in Seattle, WA. That successful test was
followed by implementation at a next site
in San Zeno, Italy. After the satisfactory
performance of those pilot installations, the company extended the EAF
solution-implementation to include a
retrofit of its plant in Indiana.
According to Brewer, the VD4-AF
has exceeded NUCOR's expectations
for relentless arc-furnace operations.
Supported by ABB with a dedicated team
to ensure customer satisfaction and 24-hr.
emergency response, the product, he noted,
"has reduced downtime and provided worry-free EAF operations so that maintenance

ABB's VD4-AF breaker for
electric-arc-furnaces used in steel
production is helping modernize an industry
where change can be slow.

To learn more about the products and
services referenced in this article, visit
abb.com/mediumvoltage and nucor.com.

CMRP

Certified Maintenance & Reliability Professional

Certify your maintenance, reliability
and physical asset management skills.
Learn more at smrp.org/certification.

APRIL 2019

EFFICIENTPLANTMAG.COM |

35



http://www.abb.com/mediumvoltage http://www.nucor.com http://www.smrp.org/certification http://www.EFFICIENTPLANTMAG.COM

Efficient Plant April 2019

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