New large explosion-proof W22X motors with high efficiency

WEG, a leading global manufacturer of drive technology, has added a larger IEC 800 frame size model to its energy-efficient W22X series of explosion-proof motors to meet the needs of the most demanding energy-intensive applications, for example in the oil and gas industry. Designed for medium-voltage and high-voltage applications, the new frame size motors deliver excellent performance with an efficiency of up to 97.4% and ensure low maintenance and operating costs, making them ideal for applications where harsh environmental conditions demand high reliability and robustness without compromising on energy efficiency. One reason for the motor’s high efficiency is its innovative stainless steel tubular cooling system (IEC 60034-6 IC511) which provides optimal air flow and delivers maximum cooling capacity in the stator, rotor, and critical components such as bearings. Additionally, aerodynamically designed fans and fan covers help produce effective air flow with the lowest possible noise level. Hot spots are also avoided by ensuring uniform temperature distribution in the entire frame, therefore providing reliable, high performance over a long service life. The W22X 800 motors offer ultimate flexibility to the user as they are available with many mounting options including an IM B3 mounting as standard together with various mounting assembly/terminal box arrangements and a flex-resistant welded steel frame with IP55 protection rating and large integrated mounting feet. The robust housing allows the explosion-proof motors to be used in the most demanding applications while minimising vibration and noise emissions. The W22X 800 motor is available as 2, 4, 6 and 8 pole versions with alternative speeds available on request, and is rated from 2 to 5.6 MW with supply voltage from 6.6 to...

Drives and Motors from Emerson Industrial Automation

The recent installation of an Emerson Industrial Automation engineering solution involving drives, motors and crane control software has led to average energy savings of 25-30% on two ship-to-shore (STS) cranes at the Port of Ravenna on Italy’s Adriatic Coast. The Port of Ravenna has chosen to use products from two Emerson Industrial Automation businesses: crane management system software, control system software and Unidrive SPMD hoist drives from Control Techniques; and FLS hoist motors from Leroy-Somer. Milena Fico, the General Manager of Terminal Container Ravenna (TCR), the operator of the Port of Ravenna, says: “Our current investments at TCR have been developed in order to prepare the port to take advantage of future opportunities.  The innovative upgrades to TCR’s STS cranes will improve competitiveness and will give it the ability to attract new business.”  Gianbattista Dubini, Director of Marketing, Cranes at Control Techniques, says: “The challenge of day-to-day operations in the busy environment of a container port can distract managers from the need to make basic equipment upgrades that can drastically improve efficiency and effectiveness.  “This is problematic because, to remain competitive, ports must continually improve efficiency.  The Port of Ravenna is future-proofing their operations by upgrading to Emerson Industrial Automation’s drives, motors and crane management software.  The outcome of this upgrade is energy savings on the cranes of up to 30%.”   The revamped cranes will have 17 container rows of operational capacity and a lifting capacity of 55 tons. Their height under the spreader is 34.5 meters.

Pioneering device could double the number of human organs available

Since transplants commenced organs have been preserved and transported in cold ischemic storage. The organs during this stage are not functioning and at risk of being damaged and becoming unusable. A technology developed at Oxford University, using maxon motor brushless DC motors and gearheads, could preserve a functioning liver outside the body for 24 hours which would dramatically increase the numbers of organs available for transplant. About 700 liver transplants are carried out in the UK each year, but more than 100 patients die each year while on the waiting list. Professor Constantin Coussios (of the Institute of Biomedical Engineering), Professor Peter Friend (Director of the Oxford Transplant Centre), and colleagues have been researching the technology since 1994. In 2008 the spin-out company OrganOx was formed, through the University’s technology transfer firm Isis Innovation, in order to commercialise the Oxford research. OrganOx, headed by CEO Dr Les Russell, developed the device that is now being trialled at the liver transplant centre at King’s College Hospital. maxon motor uk have been involved in the development since its inception. Each OrganOx system incorporates 3 maxon EC-max 22 brushless DC motors with GP22C planetary gearheads with ceramic axles. Ian Bell, a Senior Sales Engineer from maxon motor, explained ‘The motors drive the pumps propelling vital fluids through the liver. A key requirement for the system is reliability with power consumption, size and weight also being a consideration as the device is portable. The system must run continuously and maxon brushless motors offer tens of thousands of hours running life and the ceramic axle gearbox offers about twice the life of the conventional...

Mexican Port Cranes get New Lease of Life with Cutting Edge DC Drives

Advanced DC drives from Emerson Control Techniques in America have been selected by Terminal de Contenedores de Yucatán (TCY), to modernise the control system on an ageing ship-to-shore crane in Progreso, México. TCY, owned by Grup TCB of Spain, is the most important container and cargo-handling terminal in Mexico’s Yucatan peninsula.  When the terminal commenced operation in 2005, the two Panamax Starporter ship-to-shore cranes, manufactured by Star Iron & Steel of Tacoma, Washington State, USA were already nearly thirty years old.  Seven years later, keeping the cranes operational had become difficult due to increasing downtime and escalating maintenance costs. David Asensio, Project Manager for Grup TCB, commented at the time: “The cranes are in good mechanical condition, but poor electrical condition”.  Replacement parts for the old DC drives had become nearly impossible to find and could take weeks to obtain, leading to unacceptable downtime. … we decided that Emerson Control Techniques has the best DC drive. For this application, Emerson Control Techniques proposed an all-new, fully integrated drive and control system featuring its Mentor MP DC drive. Mr. Asensio explains, “After reviewing the competition, we decided that Emerson Control Techniques has the best DC drive. The Mentor MP DC drive has a rugged design that is easy to maintain, a matter that is sometimes not taken into account.  For us, Emerson is the right solution.” Emerson Control Techniques’ new control system encompasses all the electrical equipment including low-voltage auxiliaries, DC drives, PLC, I/O, crane management system 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...
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The one leading voice for the Fluid & Power Transmission Industry - Tuesday, November 20th 2018