News / Korea's largest steelmaker chooses ABB to revamp hot rolling mill motor and drives
Date: 2016-06-01
Korea's largest steelmaker chooses ABB to revamp hot rolling mill motor and drives
Zurich, Switzerland, May 18, 2016 – ABB has won a contract to replace twin DC motors and associated drives with newer AC motor and drive technology on a hot rolling mill at POSCO’s Pohang Works in Korea. Using ABB’s large synchronous motors, AMZ, together with ACS6000 medium voltage AC drives, will help improve process efficiency, accuracy and reliability. The equipment’s precision control will even contribute to reducing energy consumption and maintenance costs while increasing the safety and productivity of the steelmaker’s Roughing Mill 2 rolling mill.
ABB synchronous motors, combined with the ACS6000 multidrive, meet torque requirements over the entire operating range for the rolling mill, from zero to maximum process speed. This ensures smooth starting, acceleration and operation.
The contract also includes the replacement of three AC motors and gate-turn off thyristor (GTO) drives, used on F1 F2 F3 finishing mills, with AMZ synchronous motors and ACS6000 multidrives.
In addition, ABB is supplying low voltage motors and drives, for use on the down coilers. ABB will also deliver ancillary equipment including motor control centers and local operation panels for motor cooling fans together with training, commissioning and installation supervision.
Installation is scheduled for May 2017, with start-up the following month. The new motors will have lower maintenance costs than the existing DC motors, thereby improving the overall reliability of the mill. The new motor will also improve productivity and power reliability for the process.
“We are committed to delivering the comprehensive solutions that will help our customers to efficiently modernize their existing operations,” said Mr. Haibo Jiang, Hub Business Unit Manager of ABB Process Industries North Asia. “In addition, we strive to optimize project costs and delivery schedules while ensuring that we execute these projects to exceed our customers’ expectations”.
ABB (www.abb.com) is a leading global technology company in power and automation that enables utility, industry, and transport & infrastructure customers to improve their performance while lowering environmental impact. The ABB Group of companies operates in roughly 100 countries and employs about 135,000 people.
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