Drives and motors

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Variable speed drives save energy on Archimedes’ screws

Successful trials at three Anglian Water sites prove variable speed drives can cut the energy used by Archimedes’ screws.
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Decode your motor’s nameplate

Whether you are looking to replace or repair a motor, it is important to give accurate details of the motor you currently have. The most relevant information should be recorded on the motor's nameplate. Karl Metcalfe explains what the key elements mean.
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Variable speed drives for safer operations

WEG has released a free whitepaper including architecture design examples for implementing VSDs in different safety systems. 


  1. 23/08/2021 Improving efficiency in the pulp and paper industry

    Anders Nazell explains how it is possible to contribute to an even greener future for the pulp and paper industry, by making small equipment upgrades.

  2. 28/06/2021 Customisation to standard motors fulfills multiple space application requirements

    Through a combination of standard industrial motors and creative collaboration, advanced technology customisations are made to allow high-precision, long-life motors to make it to Mars and beyond.

  3. 28/09/2020 Slotless versus slotted brushless DC motors

    Brushless DC motors are the technology of choice for applications operating at higher speeds. However two different motor architectures can present a selection conundrum, says Madhavan Ramanujam and Cyril Baud.

  4. 01/09/2020 Driving towards cost-effective condition monitoring

    A new approach to smart condition monitoring allows much more than just monitoring machines and processes – it provides extensive information about the ‘state of health’ of machines and plants without the need for any additional, costly sensor technology, says Marc Vissers. 

  5. 10/08/2020 Servo motor sizing for precision pumping applications

    Interestingly, there are some operating conditions where servomotors that should be big enough for an application are actually too small, in terms of their power rating. Find out more. 

  6. 20/07/2020 Bringing old technology into the digital era

    Control Engineering Europe finds out how a traditional mains-driven geared motor can be integrated into the IIoT without the need for a frequency inverter.

  7. 26/06/2020 Drying application benefits from the addition of VFDs

    Tea manufacturers in Sri Lanka have benefitted from both energy reductions and increased product quality since the adoption of variable frequency drives into the leaf drying process.

  8. 22/07/2019 Key criteria for industrial drive specification

    Paul Streatfield explores the most recent criteria for industrial drive specification, which helps machine builders meet the challenges posed by today’s industrial requirements.

  9. 08/07/2019 Efficient motion system engineering reduces motor costs

    Configuration using PC-based control software, EtherCAT networks, integrated drives, and one-cable technology (OCT) can simplify motion control system design and reduce servomotor costs, says Matt Prellwitz.

  10. 08/07/2019 Matching an air motor to an application

    Franck Roussillon offers some advice on how to match the most suitable air motor to an application.

  11. 28/05/2019 Accuracy of floating crane hoist improved with variable speed drive

    The main hoist of a crane vessel capable of lifting more than 80 tonnes of load can now operate more precisely and accurately following the installation and commissioning of a heavy-duty Optidrive P2 variable frequency drive from Invertek Drives.

  12. 04/05/2018 Direct current to the rescue

    Control Engineering Europe finds out more about a new approach to energy efficiency and system cost optimisation through the use of a DC grid.

  13. 14/01/2018 Why your DC motor might fail

    Control Engineering UK finds out more about the factors that have a role to play in DC motor failure.

  14. 04/12/2017 Overcoming the barriers to energy efficiency

    The drive towards energy efficiency is not as straightforward as it might appear and it is important to recognise and overcome any barriers to reap the benefits, says Heikki Kervinen.

  15. 12/11/2017 What is the smallest speed increment that can be set on a servo motor?

    Andrew Fallows considers this frequently asked question on the issue of speed control and offers some advice to engineers.

  16. 30/10/2017 Motor efficiency: aiming high

    Brian Bannister argues that it is better for OEMs to build in compliance to electric motor energy efficiency requirements now, to avoid the need for future product redesigns, and to provide customers with immediate energy saving benefits.

  17. 22/10/2017 Drives smarten themselves up

    Mike Lomax examines the role of intelligent drive systems in optimising machine configuration and performance and aiding the adoption of Industry 4.0.

  18. 31/07/2017 Brushed or brushless? DC motor choices

    Amir Janjua offers advice on choosing a brushed or brushless DC motor.

  19. 03/05/2017 Remote services can improve drive maintenance planning

    Control Engineering Europe reports on how increasing use of the Internet of Things (IoT) concept by a drives manufacturer is offering advantages for its customers – including improved data analysis, increased productivity and enhanced reliability.

  20. 03/04/2017 Drum motors: conveyor system benefits

    Chris Middleton explains why you should consider replacing geared motors on conveyor systems with drum motors.