PRODUCTS
DRIVES, CONTROLS & MOTORS ENERGY EFFICIENT ELECTRIC MOTORS
Designed for OEMs, WEG’S W80 AXgen electric motor uses an axial flux design to meet the increasing demand for compact, efficient and environmentally sustainable solutions. With axial flux motors, the magnetic flux between the
rotor and stator is aligned parallel to the axis of rotation, unlike the radial alignment seen in traditional motors. This results in advantages such as smaller size and a substantial increase in torque, enhancing performance. Available with frame sizes from 250 to 400, the
motor offers flexibility to meet diverse industrial needs, allowing manufacturers to downsize systems, reduce logistical costs and lower their carbon footprint. In addition, the motor reaches up to 96.9%
efficiency, meaning it is an ideal solution for companies seeking to reduce energy consumption and operating costs for their systems and equipment. Of additional benefit, the motor is equipped with an advanced cooling system that supports fresh or deionised water and oil (ISO VG up to 46) for cooling. With flow rates of five to 15 litres per minute and an inlet pressure of up to ten bar, it ensures reliable performance even in the most challenging conditions. Designed for tough applications, the W80 AXgen operates with a constant torque
range of 1000:1 and a constant power range of 1.3 times the nominal speed. For applications requiring speeds outside of this range, WEG’s expert team offers consultations to provide tailored solutions to meet specific requirements.
WEG
www.weg.net INTELLIGENTLY CONTROLLING MOVEMENTS
For applications where movements need to be controlled intelligently, NORD DRIVESYSTEMS provides its NORDAC frequency inverters. These are suitable for use in a variety of applications. One example is in the machines designed to cut food such as bread, meat and cheese. In such machines, the aim is to precisely control the contact pressure of the relevant food product. This is made possible by the PLC, integrated in all NORDAC frequency inverters, which allows drive-based control functions to be programmed, ensuring consistent cutting quality. In another application, speed is essential when bottling liquid food products. Here, frequency inverters ideally meet the demands of precise speed control. Of further benefit, the NORDAC PRO control cabinet inverter can be integrated via Ethernet, allowing for remote maintenance of the system and ensuring reliability. For precise positioning tasks the
company provides the integrated POSICON module which, for example, is contained in frequency inverters such as NORDAC PRO. This allows automatic positioning control for different applications such as travelling theatre scenery.
NORD DRIVESYSTEMS
www.nord.com MOTOR WITH 10 TON ROTOR COMMISSIONED BY STEEL MILL OPERATOR
An Argentinian steel mill operator has commissioned Menzel Elektromotoren to build a special motor based on an existing motor with the type of construction IM 7311. As the old, yet still operational motor, will
be stored as backup, the new machine had to replicate it in every detail, although Menzel implemented a performance increase at the customer’s request. The new slip ring motor provides a nominal
torque of 43245 Nm at 6600 V rated voltage and 1345 kW rated power. This has a total weight of 21.9 tons, with the rotor alone
24 DESIGN SOLUTIONS DECEMBER/JANUARY 2025
weighing 10.4 tons. Various accessories were installed, including HALL effect current transformers to measure the rotor current, customer-specified accelerometers on the bearings, and a level sensor for the electrolyte in the starter. The motor features IP23 protection and IC
01 cooling (open-circuit ventilation), and had to withstand ambient temperatures up to 45˚C in the rolling mill.
Menzel Elektromotoren
www.menzel-motors.com/modification
MEDIUM VOLTAGE AIR-COOLED DRIVE ENHANCES INDUSTRIAL PERFORMANCE AND RELIABILITY
New from ABB is the ACS8080 medium voltage air-cooled drive. According to the company, the drive builds on over 50 years of experience in delivering drives to industrial applications and brings reliability, performance and flexibility to the next level thanks to innovative motor control, versatile design, and digital capabilities. The converter can achieve up to 98% efficiency, targeting optimal performance for the entire drive system. The new motor control technology MP3C pushes efficiency and motor friendliness to the limit, while preserving the dynamic performance and robustness of the predecessor DTC. It also reduces harmonic distortions by around 50% compared to classic control and modulation schemes, extending equipment lifetime and achieving energy savings. The modular and flexible design includes the possibility of utilising an external transformer and selecting a sine filter option, making it an optimal match not only for new applications but also for retrofitting existing drive systems or direct online (DOL) machines. This has a number of advanced digital features, including the
integration of the open software platform, Crealizer. This allows for advanced programming capabilities that enable the rapid development and deployment of innovative application- specific functionalities, reducing reliance on external controllers. The leaner design of the ACS8080 translates into a lower number of components than its predecessors, increasing reliability but also simplifying maintenance and service processes. In addition, the new drive can withstand extreme conditions. Fully embedded in the drive are advanced safety and protection systems. It protects, for example, against unauthenticated access, malicious firmware, data breaches, and insecure connectivity. Designed for versatility and ease of integration, the drive
easily adapts to a wide range of applications and industries. ABB
www.abb.com
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