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Terminal de Contenedores de Yucatán (TCY) is using advanced Mentor DC drives from Emerson Control Techniques to modernise the control system on an ageing ship-to-shore crane in Progreso, Mexico.

TCY, a container and cargo-handling terminal, was having difficulties keeping the ageing cranes operational due to increasing downtime and escalating maintenance costs. Replacement parts for the old DC drives had become virtually impossible to find and could take weeks to obtain.

Emerson Control Techniques proposed a fully integrated drive and control system featuring its Mentor MP DC drive. The control system encompasses all the electrical equipment, including low-voltage auxiliaries, DC drives, a PLC, I/O, crane management and MCC. Also included are new remote I/O and control stations, RF Ethernet-based remote diagnostics and a modern rotating operator’s chair and consoles.

For the hoist (which utilises a 373kW motor rated at 50 tons and has a speed of 45m/min), a 120A Mentor MP was selected. The 55kW trolley, with a speed of up to 120m/min, and the 55kW boom, with a maximum speed of 6m/min, share a 210A Mentor MP, which is switched between the two. The eight 14kW, 45m/min gantry motors have their duty shared between four 105A Mentor MP DC drives.

Key benefits of product application

  • The Emerson Control Techniques offering provides TCY with a higher degree of reliability to increase uptime, a rapid supply of spares and remote monitoring and diagnostics to facilitate troubleshooting and maintenance.
  • The Mentor MP DC drive has a rugged design that is said to be easy to maintain.

Control Techniques

Control Techniques, an Emerson Industrial Automation company, is a world leader in the design, production and marketing of electronic variable speed drives for the control of electric motors. Our strategy is to concentrate on delivering drives and servo products that enhance the productivity of our customers’ machines and processes.

We operate through a global network of drive and application centres that both distribute product and add value by building our drive products into custom designed systems and by offering the highest levels of customer service.

Our Control Techniques drive centres also provide us with invaluable feedback and market intelligence so that we can further improve our products and service. This customer focused strategy will enable us to continue to grow profitably.

Our competitive edge is based on our unique focus on drives, our strength in research and development, our investment low-cost manufacturing and an effective worldwide marketing strategy.

Emerson Industrial Automation, a business of Emerson, is a global technology provider that enables productivity, efficiency and quality gains for customers across a spectrum of industries. Our products include alternators, electric motors and drives, electrical distribution devices and mechanical power transmission, fluid automation and ultrasonic joining solutions. Visit our website for more details.

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